United States Environmental Protection Agency10/15/98 THU 14:08 FAI 7144292050 CH2M HILL/SCO 121002 • CH2MHILL CH2M HILL 3 Huttor Cen re Driv* Suite 200 Santa Ana. C\ 92707 TM 714,42S.2X»

10/15/98 THU 14:08 FAI 7144292050 CH2M HILL/SCO 121002

• CH2MHILL

CH2M HILL

3 Huttor Cen re Driv*

Suite 200

Santa Ana. C \

92707

TM 714,42S.2X»

Fa)iT14.42fl^0H>

October 14,1998 SFUND RECORDS CTR

147857.WP.oi 2095750

Mr. Martin J. Manning, Director Clark County Public Works Department 500 S. Grand Cenb-al Parkway Las Vegas, NV 89155

Subject: Groundwater Monitoring at Sunrise Mountain Landfill

Dear Mr. Manning:

CH2M HILL has prepared this letter on behalf of Republic Silver State Disposal Service (RSSDS). RSSDS has been asked to evaduate the installation of morutoring wells near the toe of the Sunrise Mountain LandfiU. Based on recent sampling results, SSDS does not beheve that it is appropriate to install monitoring wells at this time. This letter summarizes background information on the LandfiU including applicable closure requirements, new water quality monitoring results, and a proposed groundwater monitoring program. This memorandum includes a summary of the results of recent groundwater and surface water sampling events.

Landfill Background The Sunrise Mountain Landfill is located on property owned by the United States Bureau of Land Management (BLM). The BLM leased the land to Clark County for use as a landfiU. The LandfiU was operated by DUMPCO, a subsidiary of now defunct SUver State Disposal Service (SSDS), under a contract with Clark County. The LandfiU was closed in 1993 prior to implementation of Federal Subtitle D Standards in accordance Jind in fuU compliance with the approved Closure Plan dated April 14,1994. The installation of groundwati-r monitoring wells downgradient of the Landfill is not required under the closure requirements. RSSDS has assumed the maintenance obligations under those closure requirements and has conducted groundwater jmd surface water sampling since closure on a voluntary cind cooperative basis.

Water Quality Results As described below, no orgaruc compounds have been detected in groundwater or spring samples collected from sources located downgradient of the Landfill, nor in leachate

^05

http://147857.WP.oi

samples coUected from the landfill. These data do not indicate a release from the Landfill. The following subsections describe recent data coUected from these media.

Groundwater Samples Groundwater samples have been collected from three wells located downgradient and/or cross gradient of the Sunrise Mountain Landfill. No organic compounds were detected in the samples collected from the wells.

Wells LG223 and LG224, located approximately 2 miles south of the Landfill were sampled on September 18 and 22,1998, respectively, by Converse Consultants West. The samples were analyzed for volatile organic compoimds (V(XIs), select inorganics, and total dissolved soUds (TDS). These sampling results are included as Attachment 1 and include cover letters, field sampling forms, site maps, chain-of-custody (C-O-C) forms, and laboratory analytical results.

A water sample was collected on October 1,1998 from a water tank used to store water from a well operated by Nevada Ready Mix. The well is located approximately 2 miles west of the landfiU. No organic compounds were detected in the sample. The results are presented in Attachment 2, which includes a site map, C-O-C form, and the analytical results.

Spring and Surface Water Samples A sample was collected from an existing spring along the Sunrise Mountain Landfill Fault. The data from this sample is provided in Attachment 1 including cover letters, a field sampling form, site map, C-O-C form, and laboratory analytical results. No organic compounds were detected in the sample. The Southem Nevada Water Authority has hypothesized that leachate from the Landfill could potentiaUy travel along the fault and surface at springs along the fault. This spring was sampled to test that hypothesis. Because no organics were detected in the sample from the spring, there is no evidence that a release has migrated to the spring.

A greater than 100-year storm event occurred on September 11,1998 during which over 2 inches of rain fell on the Sunrise Mountain Landfill in 1 hour. Three surface water samples were collected on October 2, 1998 from spring pools located approximately 2 miles south of the Landfill and 4,000 feet east of Wells LG223 and LG224. The results of this sampling event are summarized in Attachment 3 including a cover letter, a location map, a C-O-C form, and analytical results. No organic compounds were detected in these samples.

Leachate Sample As summarized in Attachment 4, a "leachate sample" was collected from the Landfill on September 22,1998. This water sample represented surface water that flowed into the municipal solid waste and then back into the channel due to localized erosion of a surface water drainage channel. No organic compounds were detected in this sample. However, to date, no other signs of leachate have been observed and the flow that was originally sampled has stopped. Attachment 4 includes a C-O-C form and analytical data from NEL Laboratory.

Proposed Groundwater Monitoring Plan RSSDS has conducted groundwater and surface water sampling since closure on a voluntary and cooperative basis. In July 1998, RSSDS offered to coUect groundwater samples from three existing wells located west of the Landfill to evaluate whether any evidence existed that would indicate a release to groundwater from the Landfill had occurred. In addition, RSSDS completed sampling of a spring suspected of potentially being impacted by the Landfill and sampling of surface water and leachate associated with the September 11,1998 rainstorm. None of the associated test results indicate that a release from the Landfill has occurred.

CH2M HILL, based on the findings discussed above, recommends that RSSDS continue monitoring of the downgradient wells (LG224, LG225, and Nevada Ready Mix) and the spring at the Sunrise Mountain LandfiU Fault for VOCs on a quarterly or semi-annual basis through the remainder of the closure plan term. CH2M HILL further recommends that RSSDS continue to cooperate with the regulatory agencies in evaluating the closed Simrise Mountain Landfill.

Sincerely,

CH2MHILL

V) John Dole;̂ Senior Hydrogeologist

John Lovenburg Hydrogeologist

SCON Documents c: Alan Gaddy/Republic Silver State Disposal Services

Tom Gardner/Environmental Technologies of Nevada David Emme/State of Nevada, Division of Environmental Protection James B. Williams/State of Nevada, Division of Environmental Protection

Attachment 1 Sunrise Landfill Groundwater Radius Sampling Event at Wells LG224 and LG223 and a Spring Approximately 2.5

Miles from Landfill

10/8/98 cover letter from Tom Gardner/Environmental Technologies of Nevada to Morton J. Mannin/Clark County Public Works (1 page)

10/6/98 letter from Kurt Goebel/Converse Consultants West to Tom Gardner/Environmental Technologies of Nevada (1 page)

Water sampling data forms (3 pages)

1 inch = 2000 feet scale Site Map- Wells LG223 and LG224 (1 page)

1 inch = 2000 feet scale Site Map - Spring at Sunrise Mountain Landfill Fault (1 page)

C-O-C and analytical results for 9/22/98 sample event at Well LG224 (12 pages)

C-O-C and analytical results for 9/18/98 sample event at Well LG223 and Spring (18 pages)

] K U Gô hNVIRONMENTAL ^

TECHNOLOGIES kv^ of Nevada

Octobers, 1998

Mr. Martin J. Manning, Director Clark County Public Works Department 500 S. Grand Central Parkway Las Vegas, NV 89155

RE: Sunrise Landfill Groundwater Radius Sampling Results

Please find enclosed with this letter a copy of the analytical results from Converse Consultants' (Converse) sampling of groundwater wells LG224, LG223 within a 2 mile radius of the closed Sunrise Landfill, and a spring approximately 2.5 miles from the closed Sunrise Landfill. The analytical results do not indicate the presence of any organic compounds. As expected, the analytical results indicate the presence of some inorganic metals at very low concentrations, assumed to be naturally occurring.

The only abnormality associated with the sampling of these wells was Converse's use of PVC pipe glue. I observed Converse using PVC pipe glue during my oversight of this project. The MSDS for the pipe glue indicated that methyl ethyl ketone was a component ofthe glue. The analytical results for one groundwater well, LG224, indicated the presence of 2-Butanone (methyl ethyl ketone) at 0.210 ppm. Please note the discussion ofthe glue in the sampling report.

If you have any questions, please give me a call at 734-5400.

Respectfully, / O

Tom Gardner Regulatory Manager

TG/td

Enclosures: ET Log # 2598 Converse Consultants' Sampling Report Maps (2)

770 East Sahara Avenue • Las Vegas, Nevada 89104 • Telephone (702) 734-5400 • Fax (702) 735-4523 ^

Converse Consultants Ower 50 YMrs o l Dedication in Geotschnical Engineering and Environmental Sc ianos

October 6, 1998 98-43231-01

Mr. Tom Gardner Environmental Technologies of Nevada, Inc. 770 East Sahara Avenue, Suite 100 Las Vegas, NV 89104

Subject: Groundwater Sampling LG223, LG224, Spring Las Vegas, Nevada

Dear Mr. Gardner:

The purpose of this letter report is to summarize welt sampling activities for the subject wells and one spring location. Our work was completed in accordance with currently accepted environmental standards, and in ac-cordance with our contract dated July 28, 1998.

On September 18 and 22, 1998, Converse Consultants (Converse) purged and sampled groundwater wells LG223 and LG224. One spring was also sampled on September 18, 1998. Due to low recovery and recharge rates, the wells were purged by dewatering. Dewatering was completed by placing the pump within the bottom 5 feet of the well and evacuating the water column. As a measure of conservatism, we allowed the wells to recharge approximately 20 to 50 percent and then purged the wells again.

After sufficient recharge, we collected samples using clean disposable bailers in accordance with EPA protocol. The samples were sent under proper chain-of-custody to NEL in Las Vegas, Nevada and were analyzed for pH, conductivity and turbidity, 15 inorganics by EPA Method 6010, and 47 organics by EPA Method 8260. The purge water was stored in a truck provided by Waters Vacuum Truck Service, Inc, pending analytical data.

Based on our conversation with you on September 29, 1998, we under-stand that the sample from LG224 contained low levels of MEK (2-Butanone). Because no other compounds were detected, we believe

731 Pflot Road. Suite H. Las Vegas. Nevada B911»-**28 Telephone: (702) 269-a336 • Facsimile: (702) 269-8353 • e-mail: postmastereconvrs.eom

9 0 / 1 0 ' d £££8 692 Z 0 t S lNb lT ISNOD 3Sy3nN0D 2 S : t t 8 6 6 1 - 9 0 - 1 3 0

^ ) Environmental 1 echnologies of Nevada. Inc. Project No. 98-43231-01 October 6, 1998 Page 2.

pipe. MEK is a constituent of the glue we used. The glue was necessary to extend the existing screw-coupling pipe an additional 100 feet to place the pump at the bottom of the well. Our initial intent was to purge three well volumes from the 200-foot level, but the slow well recovery pre-cluded that methodology.

CERTIFIED ENVIRONMEiyrTAL MANAGER (CEM) STATEMENT

For the services provided and described in this document, the following language is from NAC 459.

/ hereby certify that I am responsible for the services described in this document and for the preparation of this document. The services de-scribed in this document have been provided in a manner consistent with the current standards of the profession and to the best of my knowledge comply with all applicable federal, state, and local statutes, regulations, and ordinances.

If you have any questions or comments, please contact us at your con-venience.

Sincerely,

CONVERSE CONSULTANTS

Kun Goebel. C.E.M. 1231 Senior Geologist Nevada CEM 1231 (Exp. 1/4/99) Date Signed:

KAG:sc 57/45BS

End: Water Sampling Data Form

Oist: 1/Addressee

984231 EL ETN GW Samp ina ILC 233 LG2«4 S p m g l 10-6-9« KAO $7-«Sa$

@ Conver»e Consultants

9 0 / S 0 ' d eSC8 692 2 0 i SlNblTISNOD 3Sa3nN0D £ £ : \ \ 8661-90-130

} g ^ c o n v c ^se C o n s u l t a n t s ^ WATER SAMPLING DATA FORM

pftoJEcr NO I ^ ' M J ^ 3 » - d WEU NO. L G " ^ ^ M

STTE L i r S~3-^n . iv ; SAMPUN6 TE/»M

MiHMHoaHSutiH L2S Vegas. NV 8B119

(702) 263-7600 / (702) 269«S3 ^AX]

DATE ' ^ - ^ ^ - ' J ^

S>»A»PLE NO(S). L-Co ' ^ ' ^ M

CIRCLE SAMPUN6 FOR: HV0BOCAR8ONS. SOLVENTS. OTHER: OROE SAMPLES TO BE ANALYZED USIN6 El'A METHOD:

1.

2.

3.

4.

5.

6.

7.

8240

8020

624

602

Z 1(40 ml

2x40 ml

2x40 ml

2 X 40 ml

(Not«:8240. aOZO. 624, 602. must be onotyxBd w t r t ^ 7 days, otherwise oM 3 drops HCL to cxrcitd the hetdbig time, and should hove zero headspace)

8019 rrVH) - 1 X 1000 ml. amber ^loss

Qthor: PH I C Other: } y r I . ^ J t to r>»y, t i n J i l O I v I w. • a C M *^ / |-* H OJ

"̂ O A C a A M t l . "QT-loO ?'» M O « t L /0 '9 i ~ / M ^ « . OROE THE PUHCINC eQU^?M£^^• USED: RePI-FLOW, DISPOSABLE BAILS*. Other: W " '^'•*> l r aRiOE pH/coNDUcrrvrry METER USED: HVDAC. UJACH.IHANNA^ other: y ^ ^ gROE WATER LEVEL INDICATOR USED1W SH3V./VC V I M lioHS- " ^ ^ • S CLo .Oq-1 ^ t C l J X « ^ <

"fo-rtw*. " 3 Q C » ^

b f t ^

IVaQV Q b O " ' D A A ^ Q U ^ . C / ^ S ^ ^ ' ^ ^ - ' y-

TIME SAMPLE COLLECnON BEGINS \ ' ^ H > Q ENDS { Q S l O^TM TO WATER AFTER SAMPUNC TOTAL VOLUME PURSED

COMMEfn"S

PrSENVV WATER SAMPUNG DATA FOAM J-2-98

90/Z0'd £9£B 592 20i siNbinnsNOD 3sa3rM0D £:S:tT e66t-90-13O

w ^ Convr ^ ie Consul tants WATER SAMPLING DATA FORftH

PROJECTNO 9 ^ - ^ . ' ^ • 3 ^ 1 - O l wa iNO L G ^ " ^ 1

SITE l l T ^ / C c SAMPUNC TEAM H / t O C w l

73lPiMRc«)L3uteH Us Vcgtt.NV 88119

(702) 2S3-7600 / (TO:!) 26$-053 (FAX)

WEATHER CONDITIONS . l â^ t - SAMPlf NO(S). UG^-3.3

CIRCLE SAMPaNe FOR: HyDftOCARBONS. SOtVEhn'S. OTHER: QRCIE SAMPLES TO BE ANALYZED USINC EPA METHOD:

1. 8240 - 2 x 4 0 mi 2. 8020 - 2 X 40 mt

3. 624 - 2 X 40 ml

4. 602 - 2 X 40 ml

5. 8015 (TPH) - 1 X 1000 ml, «mber gloss

6.

(Nate:8240. 8020, 624. 602. mutt be oMlyMd withifi 7 dors, ethennac add 3 i V t ^ t r c O . - « j / T-0«> \ > > 5 0 O A»L ? O v M

7. Other: \ 5 t t i ' O a ^ A . H ^ ^ C , ; : t O W t L.T Pov^ ^ / V 4 M O T

d R O E THE PUH6IN6 EQUrPMENT USED: REDI-FLQW. MSPOSABLE BAILER. Other: H " " ^ u P V o / i » CIRCLE pH/CONOUCTIVrTY METER USED: HVOAC. ( f t ^ ^ Q ^ N N a ^ Other: CIRCLE WATER LEVEt INDICATOR U S E b C ^ ^ ^ ^ ICECK. Otho-:

DESCRIBE DECON AND CAUBRATTON PROCEDURES: t>gv^-o-ia.ft Vo.Â b V , t » ^ i - > A o y ft.40

.̂JiftT^«êLo»vAt /J^ - t ^ ^ b 0.65

U 5 o 5.69 (Nate: Actual I.D. = 4.5 Inches)

'^s•.^8 ^S.o>-^ Wflter Colunn Height Purge Foctor

DEPTH PURdNS FROM [ Q 3 . O

TIME PURfiINC BE6INS VM *5C>

TIME PUfteiNC ENDS

Nwbcr ef Well Volumes

NOTE THE I N I T I A L DISCHARGE COLOR A ODOR:.

'9oM.^> Voh«nc to Pirge

TIME

I H 5 0

VOL. PuKget

W l

K Q ~

pH

l i^ca 5/;frc

gJNDUCTIVITY TEMPStAn«E MOTES («.«• »rfar. co»«r. tw»X ty>

^ . ' ô Cce. i l ' • b A ^ K fotVA

^ ~ /

6-bo l ? O V x > - f C i ^ w a a . ^ ^ /

O

A / T ^

T o r A. ffeOtfftL

TIME SAMPLE COLLECUON BEGINS

WcPTM TO WATER AFTER SAMPUN6

C0MMO4TS

t

%#\# l i v « ^ - ^e uonsuiiants WATER SAMPLING OATA FORM

PROJECT NO. 9 ^ - W 2 ^ ' 3 i - Q ' WEIL NO. ^ P g ' * * to

SITE t £ . T / ^ 0 > ^ A i L t ? SAMPUN6 TEAM U A O C * * ^

LxVa7di.NVaB1l9 (70Z) 263-7600 / (703) 26M363 (FAX)

t ^T^_UL§^ js

WEATHER CONOrnONS C C g y ^ A ( «C3 * i ^ SAMPLE NO(S). 1± M N H O QRCLE SAMPLING FOR: HYDROCARBONS. SOLVENTS. OTHER: QRCLE SAMPLES TO BE ANALYZED USING EPA METHOD:

1. 2. 3. 4. S. 6. 7.

(Note: 0240, 8020. 624. 602. mutt be anatynd within 7 days, otherwise odd 3 dropa HCL to extend the hokfif^ rime, and should ha«« ccro heodspooe)

8240 - 2 X 40 ml

8020 - 2 » 40 ml

624 - 2 X 40 ml

602 - 2 X 40 ml

6015 (TPH) - 1 JC 1000 ml, omber glass ( o t . - , Oth«r: V H / C 9 M . I O « . T » » 7 » T J ^ T p l ) V ^ Q 0 / V t * - L 1 J W > » 0

Other: I Y O K t A A f a f t ^ t i c CoQ I O | - » l < j r POt.-] '̂ ^•»>•«03 M"^ O A ^ - * ' L " S l - b O 3>.v .0>i« i , J j . » ' ^ / M C » ,

CIRCLE THE PURGING EQUIPMENT USED: REDI-FLOW, DISPOSABLE BAILER. Other:

CIRCLE pH/CONDUCTTVITY METER USED: HYOAC. HAO^. HANNA, Other: H i A

CnULE WATER LEVEL INDICATOR USED: SOUNTST. KEOC. Other: yJ f fi

DESCRIBE DECON AND CALIBRATION PROCEDURES; V l A

Jbk-

TOTAL DErTW OF WELL

(subtroct) QEPTH OF WATER BEFORE PUMPING .. -

(ej>ils) HEIGHT OF WATER COUUMN «

hiA u l/a NOTE THE TIME OF M£ASUREM»n-. Vl IA

CASING DI/tMETER (INCHES)

12

PURSE FACTOR (6AL/FT)

0.16

0.6S

0.83

H/A î 5.89 (Note: Actual I.D.

X 3

4.5 Inches)

VM WoTer Coluitrt Height Purge FocTor

DEPTH PURGING FROM H [ A

TIME PURGING BEGINS t * I A

TIME PURGING B^DS yt I A

Ni*nb«r of Well VoKwes Vohsne to Purge

NOTE THE INETTAL DISCHARGE COLOR 4 ODOR:.

TIME VOL PUB«Eb J*l cohoycrrviTy TEMPSWTVRE NOTES {*..9. odor. eMr. turtidity)

SAMPLE COLLECTION BEGINS H f A ^ ENDS l ^ 7 a

D & T H TO WATER AFTER SAMPUNG TOTAL VOUJME PURGED ,

COMMENTS

^O . ' ^ r .AC i 0>J^fV-tn£/\ ^ / V ^ K C

^.'£HV\ WATER SAMPUNG DATA FORM 2.2-9fl

9 0 / S 0 - d £££Q 692 2 0 i siNbinnsNOD 3sa3nN0D

Coavars* Ccns*dtBfltS

t?S:TT B66T-90-1DO

NEL LABL.,ATOPIES Reno • Las Vegas Phoenix • Burbank

Las Vegas Division 4208 Areata Way, Suite A • Las Vegas, NV 89030

(702) 657-1010 • Fax: (702) 657-1577 1-888-368-3282

CLIENT: Environmental Tech. of NV 770 E. Sahara Ave. Las Vegas, NV 89104

ATTN: Tom Gardner

PROJECTNAME: ET/CC Sampling PROJECT NUMBER: 2598

NEL ORDER ID: L9809271

Attached are the analytical results for samples in support ofthe above referenced project.

Samples were received by NEL in good condition, under chain of custody on 9/22/98.

Samples were analyzed as received.

Should you have any questions or comments, please feel free to contact our Client Services department at (702) 657-1010.

TDS Note: Due to discrepancy between the TDS and Specific Conductance results, TDS is being re-analyzed. Therefore, the TDS result of 3370 mg/L should be considered a preliminary result only.

^ X J . \ A ^ Stan Van Wagenei Laboratory Manager

CERTIFICATIONS: Reno

Arizona AZ0520 Califomia 1707 US Army Corps Certified of Engineers

d» ^oi M Date

Las Vegas S. Califomia Reno AZ0518 AZ0583 Idaho Certified 2002 2264 Montana Certified Certified Certified Nevada NV033

Washington

Las Vegas S. Califomia Certified Certified NV052 CA084

Certified

Corporate Office & Reno Division • 1030 Matlev Lane • Reno NV 89502 • 1702) .I4fl.?.'i?9

NEL LABC. .ATORIES Reno • Las Vegas Phoenix • Burbank

Las Vegas Division 4208 Areata Way, Suite A • Las Vegas, NV 89030

(702) 657-1010 • Fax: (702) 657-1577 1-888-368-3282

September 30, 1998

Tom Gardner Environmental Tech. of NV 770 E. Sahara Ave. Las Vegas, NV 89104

Dear Mr. Gardner:

Per your request NEL Laboratories has reviewed the volatile results for your ET Log #2598. The chromatograms for the three water samples submitted under that project were examined for peaks that were not identified as one ofthe volatile compounds on NEL's list. We specifically examined the above mentioned samples for the presence of trans-l,4-Dichloro-2-butene, and Acrylonitrile. A mass spectral library search ofthe unidentified peaks indicated that no trans-l,4-Dichloro-2-butene nor Acrylonitrile were present in the samples.

If you have any additional questions, or ifl can be of additional assistance please feel free to call.

Sincerely, For NEL

Stan Van Wag Laboratory Manager Las Vegas Division

Coroorate Office & Reno Division • in;^n Mntinu I ann • Rpnn NV np.S02 • 1709^ Hi(\.PFi99

NEL LABORATORIES LCa "XTA, CLIENT: Environmental Tech. of NV CLIENT ID: #15 PROJECTNAME: ET/CC Sampling DATE SAMPLED: 9/22/98 PROJECT NUMBER: 2598 NEL SAMPLE ED: L9809271-02

TEST: Inorganic MATRIX: Aqueous

PARAMETER pH pH Temperature Specific Conductance

Non-Metals

RESULT 9.66 16.5

17900

UNITS pH Units

"C uS/cm

REPORTING LIMIT

2 1 1

D.F. 1 1 1

METHOD EPA 150.1 EPA 150.1 SM2510B

ANALYZED 9/23/98 9/23/98 9/28/98

This report shall not be reproduced except in full without tlie written approval ofthe laboratory.

^ • ^

NEL LABORATORIES #14

•>>>>H CLIENT: Environmental Tech. of NV PROJECT NAME: ET/CC Sampling PROJECT NUMBER: 2598

CLIENT ID: DATE SAMPLED: 9/22/98 NEL SAMPLE ID: L9809271-01

TEST: MATRIX:

PARAMETER Antimony Arsenic Barium Beryllium Cadmium Chroriiium Cobalt Copper Lead Nickel Selenium Silver Thallium Vanadium Zinc

Metals Aqueous

RESULT

— mg/L ND ND

0.026 ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LIMII D.

.05 mg/L 1 .Img/L

.005 mg/L

.005 mg/L .01 mg/L .01 mg/L .01 mg/L

.005 mg/L .05 mg/L .04 mg/L .Img/L

.02mg/L .Img/L

.005 mg/L .Img/L

F. METHOD

EPA6010A EPA 60IDA EPA 6010A EPA6010A EPA6010A EPA 6010A EPA6010A EPA 60IDA

I EPA 601 OA EPA6010A EPA6010A EPA6010A

1 EPA 6010A 1 EPA 6010A 1 EPA6010A

DIGESTED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98

ANALYZED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98

D.F. - Dilution Factor

ND - Not Detected

7Vi/s report shall not be reproduced except in full, without the written approval ofthe laboratory.

^

NEL LABORATORIES

^

I CM felt^tC CLIENT: Environmental Tech. of NV PROJECT NAME: ET/CC Sampling PROJECT NUMBER: 2598

CLIENT ID: DATE SAMPLED: NEL SAMPLE ID:

#18 9/22/98 L9809271-05

TEST: MATRDC:

PARAMETER Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Lead Nickel Selenium Silver Thallium Vanadium Zinc

Metals Aqueous

RESULT mR/L

ND ND ND ND ND ND ND

0.018 ND ND ND ND ND ND ND

REPORTING LIMIT D.

.05 mg/L .Img/L

.005 mg/L

.005 mg/L .01 mg/L .01 mg/L .01 mg/L

.005 mg/L .05 mg/L .04 mg/L .Img/L

.02mg/L .Img/L

.005 mg/L .Img/L

F. METHOD

EPA6010A EPA6010A EPA6010A EPA6010A EPA6010A EPA 6010A EPA 6010A EPA6010A EPA6010A EPA6010A EPA6010A EPA 6010A EPA 6010A EPA6010A EPA6010A

DIGESTED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98

ANALYZED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98


ND - Not Detected

This report shall not be reproduced except in full, without the written approval ofthe laboratory.

^ '^

NEL LABORATORIES r^^V

^

NEL LABORATORIES CLIENT: Environraental Tech. of NV PROJECT NAME: ET/CC Sampling PROJECT NUMBER: 2598

CLIENT ID: Method Blank DATE SAMPLED: NA NEL SAMPLE ID: L092711-BLK

TEST: Metals


RESULT mg/L ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LIMir D. 0.05 mg/L 0.1 mg/L

0.005 mg/L 0.005 mg/L 0.01 mg/L 0.01 mg/L O.OImg/L

0.005 mg/L 0.05mg/L 0.04 mg/L O.I mg/L

0.02 mg/L O.I mg/L

0.005 mg/L 0.1 mg/L

F. METHOD

1 EPA6010A EPA6010A

I EPA6010A I EPA6010A

EPA 601OA EPA6010A EPA6010A EPA6010A EPA6010A EPA 60IDA EPA6010A EPA6010A EPA6010A EPA6010A EPA6010A

DIGESTED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98

ANALYZED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98


ND - Not Detected


• ^

^

NEL LABORATORIES LC:, X-xM

CLIENT: Environmental Tech. of NV PROJECTNAME: ET/CC Sampling PROJECT NUMBER: 2598

DATE SAMPLED: 9/22/98 ANALYST: NNE

METHOD: VOLATILE ORGANIC COMPOUNDS by EPA 8260A, September 1994 SAMPLE MATRIX: AQUEOUS

Client ID: # 16 NEL ID: L9809271-03

PATUMETER Acetone Freon 113 Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane 2-Butanone n-Butylbenzene sec-Butylbenzene tert-Butylbenzenc Carbon disulflde Carbon tetrachloride Chlorobenzene Chloroethane Chloroform Chloromethane 2-Chlorotoluene 4-ChlorotoIuene Dibromochloromethane 1,2-Dibromo-3-chIoropropane (DBCP) 1,2-Dibromoethane (EDB) Dibromomethane 1,2-Dichlorobenzene (o-DCB) 1,3-Dichlorobenzene (m-DCB) 1,4-Dichlorobenzene (p-DCB) Dichlorodifluoromethane (Freon 12) 1,1 -Dichloroethane (1,1 -DCA) 1,2-Dichloroethane (1,2-DCA) I, I -Dichloroethene (1,1 -DCE) cis-1,2-Dichloroethene trans-1,2-Dichloroethene 1,2-Dichloropropanc

QUALITY CONTROL DATA:

Surrogate

Dibromofluoromethane Toluene-d8 4-Bromofluorobenzene ND - Not Detected

ANALYZED: 9/25/98 RESULT

Ug/L ND ND ND ND ND ND ND ND 210 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LIMIT

50 ng/L 5ngA. 5ngA. 5|igA. 5 ng/L 5 ng/L 5 ng/L 5 ng/L 50 ng/L 5 ng/L SvigfL

5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5ngA. 5ngA. 5 ng/L 5 ng/L 5 ng/L 5ngA. 5 ng/L 5^lg/L 5 ng/L

% Recovery

94 98 91

PARAMETER 1,3-Dichloropropane 2,2-DichIoropropane 1,1-Dichloropropene cis-1,3-Dichloropropene trans-1,3-Dichloropropene Ethylbenzene Hexachlorobutadiene 2-Hexanone lodomethane Isopropylbenzene p-lsopropyltoluenc Methylene chloride (Dichloromethane) 4-Methyl-2-pentanone Methyl-t-butyl ether (MTBE) Naphthalene n-Propylbcnzenc Styrene 1,1,1,2-TetrachIoroethane 1,1,2,2-Tetrachloroethane Tetrachloroethene (PCE) Toluene 1,2,3-Trichlorobenzene 1,2,4-Trichlorobenzene 1,1,1-Trichloroethane (1,1,1-TCA) 1,1,2-TrichIoroethane (1,1.2-TC A) Trichloroethene (TCE) Trichlorofluoromethane (Frconl 1) 1,2,3-TrichIoropropane 1,2,4-Trimethylbenzene 1,3,5 -Trimethylbenzcne Vinyl chloride o-Xylene m,p-XyIene

RESULT MR/L ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

Acceotable Ranee

86-118% 88-110% 86-115%

REPORTING LIMIT

5 ng/L SngA. 5ngA. 5 ng/L SngA-5 ng/L 5ngA. 50 ng/L 5 ng/L 5 ng/L 5 ng/L 10 ng/L sOngA. 10 ng/L 5ngA. 5 ng/L 5ngA. 5 ng/L 5 ng/L 5 ng/L 5ngA. 5 ng/L 5 ng/L 5ngA. 5 ng/L 5 ng/L SngA. 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 10 ng/L

This report shall nol be reproduced except in full without ttie written approval ofthe laboratory.

^

NEL LABORATORIES '^r^.^ r%.U>vA.





PARAMETER Acetone Freon 113 Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane 2-Butanone n-Butylbenzene sec-Butylbenzene tcrt-Butylbenzene Carbon disulfide Carbon tetrachloride Chlorobenzene Chloroethane Chloroform Chloromethane 2-Chlorotoluene 4-Chlorotoluene Dibromochloromethane l,2-Dibromo-3-chIoropropane (DBCP) 1,2-Dibromoethane (EDB) Dibromomethane 1,2-Dichlorobenzene (o-DCB) 1,3-Dichlorobenzene (m-DCB) 1,4-Dichlorobenzene (p-DCB) Dichlorodifluoromethane (Freon 12) I, I -Dichloroethane (1,1 -DCA) 1,2-Dichloroethane (1,2-DCA) 1,1 -Dichloroethene (1,1 -DCE) cis-1,2-Dichloroethene trans-1,2-Dichloroethene 1,2-Dichloropropane

QUALfTYCONTROL DATA: Surrogate

Dibromofluoromethane ToIuene-d8 4-Bromofluorobenzene ND - Not Detected


PS/L ND ND ND ND ND ND ND ND . ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND M) ND ND ND ND ND ND ND ND

REPORTING LIMIT 50 ng/L 5 ng/L 5 ng/L 5ngA. 5 ng/L 5ngA. 5 ng/L 5 ng/L 50ngA. 5 ng/L 5)igfL 5 ng/L 5ngA. 5 ng/L 5 ng/L 5 ng/L 5ngA. 5 ng/L 5 ng/L 5ng/L SngA. SngA. 5 ng/L 5ngA. 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5^xgfL 5 ng/L

% Recoverv

94 98 98

PARAMETER 1,3-Dichloropropane 2,2-DichIoropropane 1,1-Dichloropropene cis-1,3-Dichloropropene trans-1,3-Dichloropropene Ethylbenzene Hexachlorobutadiene 2-Hexanone lodomethane Isopropylbenzene p-lsopropyltoluene Methylene chloride (Dichloromethane) 4-Methyl-2-pentanonc Methyl-t-butyl ether (MTBE) Naphthalene n-Propylbenzene Styrene 1,1,1,2-Tetrachlorocthane 1,1,2,2-Tetrachloroethane Tetrachloroethene (PCE) Toluene 1,2,3-Trichlorobenzene 1,2,4-Trichlorobenzene 1,1,1 -Trichloroethane (1,1.1 -TCA) 1,1,2-Trichlorocthane (1,1,2-TCA) Trichloroethene (TCE) Trichlorofluoromethane (Freonl 1) 1,2,3-TrichIoropropane 1,2,4-Trimcthy Ibenzene 1,3,5 -Trimethylbenzcne Vinyl chloride o-Xylene m,p-Xylene

RESULT I'S/L ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LIMIT 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 50 ng/L 5 ng/L 5 ng/L 5 ng/L 10 ng/L 50 ng/L 10 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5ngA. 5ngA. 5ngA. 5 ng/L 5ngA. 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 10 ng/L

Acceptable Range

86-118% 88-110% 86-115%

TItis report shall not be reproduced except in full, without the written approval ofthe laboratory.

^

NEL LABORATORIES f v < V < \ g> \cwv»C





PARAMETER Acetone Freon 113 Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane 2-Butanone n-Butylbenzene sec-Butylbenzene tert-Butylbenzene Cart)on disulfide Cartxin tetrachloride Chlorolwnzene Chloroethane Chloroform Chloromethane 2-ChlorotoIuene 4-ChIorotoluene Dibromochloromethane l,2-Dibromo-3-chIoropropane (DBCP) 1,2-Dibromoethane (EDB) Dibromomethane 1,2-Dichlorobenzene (o-DCB) 1,3-Dichlorobenzene (m-DCB) l,4-DichIorol)enzene (p-DCB) Dichlorodifluoromethane (Freon 12) 1,1 -Dichloroethane (1,1 -DCA) 1.2-Dichloroethane (1,2-DCA) 1,1 -Dichloroethene (1,1 -DCE) cis-1,2-Dichloroethene trans-1,2-Dichloroethene 1,2-Dichloropropane

QUALITY CONTROL DA TA: Surrogate

Dibromofluoromethane Toluene-d8 4-Bromofluoroben2ene ND - Not Detected


HR/L ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LIMIT 50 ng/L 5 ng/L 5 ng/L 5 ng/L 5ngA. 5 ng/L 5 ng/L 5 ng/L 50 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5ngA. 5ng/L 5 ng/L 5 ng/L SngA. 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L

% Recoverv

93 99 95

PARAMETER 1,3-DichIoropropane 2,2-DichIoropropane 1,1-Dichloropropene cis-1,3-Dichloropropene trans-l,3-Dichloropropene Ethylbenzene Hexachlorobutadiene 2-Hexanone lodomethane Isopropylbenzene p-lsopropyltoluene Methylene chloride (Dichloromethane) 4-MethyI-2-pentanone Methyl-t-butyl ether (MTBE) Naphthalene n-Propylbenzene Styrene 1,1,1,2-Tetrachloroethane 1,1,2,2-Tetrachloroethane Tetrachloroethene (PCE) Toluene 1,2,3-Trichlorobenzene 1,2,4-Trichlorobenzene 1,1,1 -Trichloroethane (1,1,1 -TCA) 1,1,2-Trichloroethane (1,1,2-TCA) Trichloroethene (TCE) Trichlorofluoromethane (Freonl 1) 1,2,3-Trichloropropane 1,2,4-Trimethylbenzene 1,3,5 -Trimethylbenzene Vinyl chloride o-Xylene m.p-Xylene

RESULT HR/L ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

Acceptable Range

86-118% 88-110% 86-115%

REPORTING LIMIT 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5ngA. 5 ng/L 5 ng/L 50ngA. 5ngA. 5 ng/L 5 ng/L 10 ng/L 50 ng/L 10 ng/L 5 ng/L 5 ng/L 5ngA. 5 ng/L 5 ng/L 5ngA. 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L. SngA. 5 ng/L 5 ng/L 5 ng/L 10 ng/L

n»w re/Jorr shall nol be reproduced except in full without the written approval ofthe laboratory.

)

NEL LABORATORIES


DATE SAMPLED: ANALYST: NNE

NA

METHOD: VOLATILE ORGANIC COMPOUNDS by EPA 8260A, September 1994 SAMPLE MATRDC: AQUEOUS

Client ID: Method Blank NEL ID: 092598-VMS2-BLK

PARAMETER Acetone Freon 113 Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane 2-Butanone n-Butylbenzene sec-Butylbenzene tert-Butylbenzene Carbon disulflde Carbon tetrachloride Chlorobenzene Chloroethane Chloroform Chloromethane 2-ChIorotoluene 4-ChlorotoIuene Dibromochloromethane 1,2-Dibromo-3-chIoropropane (DBCP) 1,2-Dibromoethane (EDB) Dibromomethane 1,2-Dichlorobenzene (o-DCB) 1,3-Dichlorobenzene (m-DCB) 1,4-Dichlorobenzene (p-DCB) Dichlorodifluoromethane (Freon 12) 1,1 -Dichloroethane (1,1 -DCA) 1,2-Dichloroethane (1,2-DCA) 1,1 -Dichloroethene (1,1 -DCE) cis-1,2-Dichloroethene trans-1,2-Dichloroethene 1,2-Dichloropropane


Surrogate



liR/L ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LIMIT

50 ng/L 5 ng/L 5 ng/L SngA. 5 ng/L 5 ng/L 5 ng/L 5 ng/L 50 ng/L SngA. SngA. SiigfL

5 ng/L SiiglL 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L SngA. 5 ng/L 5 ng/L 5 ng/L 5 ng/L SngA. 5\igfL SuglL 5ngA. SiigfL

5ngA. 5 ng/L 5 ng/L 5 ng/L 5 ng/L

% Recoverv

90 99 93

PARAMETER 1,3-Dichloropropane 2,2-DichIoropropane 1,1-Dichloropropene cis-1,3-Dichloropropene trans-1,3-Dichloropropene Ethylbenzene Hexachlorobutadiene 2-Hexanone lodomethane Isopropylbenzene p-lsopropyltoluene Methylene chloride (Dichloromethane) 4-Methyl-2-pentanone Methyl-t-butyl ether (MTBE) Naphthalene n-Propylbenzene Styrene 1,1,1,2-Tetrachloroethane 1,1,2,2-Tetrachloroethane Tetrachloroethene (PCE) Toluene 1,2,3-Trichlorobenzene 1,2,4-Trichlorobenzene 1,1,1 -Trichloroethane (1,1,1 -TCA) 1,1,2-TrichIoroethane (1,1,2-TCA) Trichloroethene (TCE) Trichlorofluoromethane (Freon 11) 1,2,3-Trichloropropane 1,2,4-Trimethylbenzene 1,3,5 -Trimethylbenzene Vinyl chloride o-Xylene m.p-Xylene

RESULT MR/L. ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LIMIT

5 ng/L 5 ng/L 5 ng/L S\igfL

5 ng/L 5 ng/L 5 ng/L 50 ng/L 5ngA. 5\xgfL

5 ng/L 10 ng/L 50\iglL 10 ng/L 5ngA. 5 ng/L 5 ng/L 5ngA. 5ngA. 5\igfL 5ngA. SngA. 5ngA. 5 ng/L 5ngA. 5 ng/L SngA. 5 ng/L

SngA. 5 ng/L 5 ng/L 5ngA. 10 ng/L

Acceptable Range

86-118% 88-110% 86-115%


/ ^ y Converse Consultants fcl^aj* 731 Pilot Road, Suite H CtttO(Vdea!Jaiao(? Y N /No

OeodMonwbcwir l ^ ^ J Las Vegas, Nevada 89119-4429 ueoownwRenreoOVid/good

^ * ^ ^ Phone: (702) 269-8336 • Fax: (702) 269-8353 ( j - ^ ^ S ^ ^ * 7 ^ ^ ^ F ' ^c, CHAIN OF CUSTODY RECORD ^\Jiq Number. Project Name

y Project Number

Project Locatkxi

Ll^%t. UOA^^ /HCC ^ t V A P laa^e iM. ) ; i : i ^

NEL LABO. .VORIES Reno • Las Vegas

Phoenix • Irvine

' Las Vegas Division 4208 Areata Way, Suite A • Las Vegas, NV 89030

(702) 657-1010 • Fax: (702) 657-1577 1-888-368-3282


ATTN: Tom Gardner

PROJECT NAME: ET/CC Sampling PROJECT NUMBER: 2598






Some results have been flagged as follows: Jm - This concentration should be considered an estimate due to probable matrix effects.

Stan Van Wagenen Laboratory Manager

^/^^/?

CERTIFICATIONS: Reno

Arizona Califomia US Army Corps Certified of Engineers

Las Vegas S. Califomia AZ0520 AZ0518 AZ0583 Idaho 1707 2002 2264 Montana

Certified Certified Nevada

Date

Reno Las Vegas S. Califomia Certified Certified Certified Certified NV033 NV052 CA084

Washington Certified

Corporate Office & Reno Division • 1030 Matiey Lane • Reno, NV 89502 • (702) 348-2522

NEL LABC VORIES Reno • Las Vegas

Phoenix • Irvine

• Las Vegas Division 4208 Areata Way, Suite A • U s Vegas. NV 89030

(702) 657-1010 • Fax: (702) 657-1577 1-888-368-3282

September 30, 1998


Dear Mr. Gardner:

Per your request NEL Laboratories has reviewed the volatile results for your ET Log #2598. The chromatograms for the five water samples submitted under that project were examined for peaks that were not identified as one ofthe volatile compounds on NEL's list. We specifically examined the above mentioned samples for the presence of trans-l,4-Dichloro-2-butene, and Acrylonitrile. A mass spectral library search ofthe unidentified peaks indicated that no trans-l,4-Dichloro-2-butene nor Acrylonitrile were present in the samples.


Sincerely, For NEL Laboratories

(^mMifcilj?y6lff. Stan Van Wagenen Laboratory Manager Las Vegas Division

Corporate Office & Reno Division • 1030 Matiey Lane • Reno, NV 89502 • (702) 348-2522

" ) ^

NEL LABORATORIES CLIENT: Enviromnental Tech. of NV PROJECTNAME: PROJECT NUMBER:

ET/CC Sampling 2598

TEST: Metals

PARAMETER Antimony Arsenic Lead Selenium Thallium

RESULT m|5/L ND ND ND ND ND

REPORTING LIMIT D.

0.001 mg/L 0.001 mg/L 0.001 mg/L 0.001 mg/L

0.0001 mg/L

CLIENT ID: DATE SAMPLED: NEL SAMPLE BD:

F. METHOD

EPA 6020 EPA 6020 EPA 6020 EPA 6020 EPA 6020

Method Blank NA P09064M-BLK

DIGESTED

9/22/98 9/22/98 9/22/98 9/22/98 9/22/98

ANALYZED

9/28/98 9/28/98 9/28/98 9/28/98 9/28/98


ND - Not Detected


1 • ^ NEL LABORATORIES

CLIENT: Environmental Tech. of NV PROJECT NAME: ET/CC Sampling PROJECT NUMBER: 2598


TEST: Metals

PARAMETER Barium Beryllium Cadmium Chromium Cobalt Copper Nickel Silver Vanadium Zinc

RESULT mg/L ND ND ND ND ND ND ND ND ND ND

REPORTING Lnvnr D.

0.005 mg/L 0.005 mg/L 0.01 mg/L 0.01 mg/L 0.01 mg/L

0.005 mg/L 0.04 mg/L 0.02 mg/L

0.005 mg/L 0.1 mg/L

F. METHOD

I EPA6010A EPA6010A EPA6010A EPA6010A EPA6010A EPA6010A EPA 6010A EPA6010A EPA6010A EPA 6010A

DIGESTED

9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98

ANALYZED

9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98


ND - Not Detected


1 • ^ NEL LABORATORIES \ r H^—fit U»

^ ^^

NEL LABORATORIES VCn-:i:̂ g> O^pUCaU-CLIENT: Environmental Tech. of NV PROJECTNAME: ET/CC Sampling PROJECT NUMBER: 2598

CLIENT ID: # 9 DATE SAMPLED: 9/18/98 NEL SAMPLE ID: L9809222-09

TEST: MATRDC:


Metals Aqueous

RESULT mg/L

0.0028 0.0023

0.018 ND ND ND ND ND

0.077 ND ND ND ND ND ND

REPORTING LIMIT D. .001 mg/L .001 mg/L .005 mg/L .005 mg/L .01 mg/L .01 mg/L .01 mg/L

.005 mg/L

.001 mg/L .04 mg/L

.001 mg/L .02 mg/L

.0001 mg/L .005 mg/L

.Img/L

F. METHOD

EPA 6020 I EPA 6020 I EPA6010A I EPA 6010A

EPA6010A EPA6010A EPA 6010A EPA 6010A EPA 6020

EPA6010A EPA 6020

EPA6010A EPA 6020

EPA 6010A EPA6010A

DIGESTED

9/22/98 9/22/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/22/98 9/23/98 9/22/98 9/23/98 9/22/98 9/23/98 9/23/98

ANALYZED

9/28/98 9/28/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/28/98 9/23/98 9/28/98 9/23/98 9/28/98 9/23/98 9/23/98


ND - Not Detected


^

NEL LABORATORIES Ka'X^ly CLIENT: Environmental Tech. of NV PROJECTNAME: ET/CC Sampling PROJECT NUMBER: 2598


#6 9/18/98 L9809222-06

TEST: MATRIX:

PARAMETER

Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Lead Nickel Selenium Silver Thallium Vanadium Zinc

Metals Aqueous

RESULT

0.0034 0.0018

0.017 ND ND ND ND ND

0.10 ND ND ND ND ND ND

REPORTING L I M i r D.

.001 mg/L

.001 mg/L

.005 mg/L

.005 mg/L .01 mg/L .01 mg/L .01 mg/L

.005 mg/L

.001 mg/L .04 mg/L

.001 mg/L .02 mg/L

.0001 mg/L .005 mg/L

.Img/L

F. METHOD

EPA 6020 EPA 6020

EPA 6010A I EPA6010A

EPA 6010A EPA6010A EPA6010A EPA6010A EPA 6020

EPA6010A EPA 6020

EPA 601OA EPA 6020

EPA6010A EPA6010A

DIGESTED

9/22/98 9/22/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/22/98 9/23/98 9/22/98 9/23/98 9/22/98 9/23/98 9/23/98

ANALYZED

9/28/98 9/28/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/28/98 9/23/98 9/28/98 9/23/98 9/28/98 9/23/98 9/23/98


ND - Not Detected


^ "^

NEL LABORATORIES fv^ui g>\̂ K CLIENT: Environmental Tech. of NV PROJECTNAME: ET/CC Sampling PROJECT NUMBER: 2598

CLIENT ID: DATE SAMPLED: >JEL SAMPLE ID:

#5 9/18/98 L9809222-05

TEST: MATRIX:


Metals Aqueous

RESULT mg/L

ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LBVUl D.

.001 mg/L

.001 mg/L

.005 mg/L

.005 mg/L .01 mg/L .01 mg/L .01 mg/L

.005 mg/L

.001 mg/L .04 mg/L

.001 mg/L .02 mg/L

.0001 mg/L .005 mg/L

.Img/L

F. METHOD

EPA 6020 EPA 6020

EPA6010A EPA6010A EPA6010A EPA6010A EPA6010A EPA6010A EPA 6020

EPA6010A EPA 6020

EPA6010A 1 EPA 6020

EPA6010A 1 EPA6010A

DIGESTED

9/22/98 9/22/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/22/98 9/23/98 9/22/98 9/23/98 9/22/98 9/23/98 9/23/98

ANALYZED

9/28/98 9/28/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/28/98 9/23/98 9/28/98 9/23/98 9/28/98 9/23/98 9/23/98


ND - Not Detected


" ) " )

NEL LABORATORIES >^tvvrji CLIENT: Environmental Tech. of NV PROJECTNAME: ET/CC Sampling PROJECT NUMBER: 2598


#1 9/18/98 L9809222-01

TEST: MATRIX:

PARAMETER

Antimony Arsenic Bariiwi Beryllium Cadmium Chromium Cobalt Copper Lead Nickel Selenium Silver Thallium Vanadium Zinc

Metals Aqueous

RESULT

— mg/L

0.0019 0.032 0.11 ND ND ND ND ND

0.012 ND

0.0093 ND ND

0.014 ND

REPORTING LIMII D.

.00 Img/L

.001 mg/L

.005 mg/L

.005 mg/L .01 mg/L .01 mg/L .01 mg/L

.005 mg/L

.001 mg/L .04 mg/L

.001 mg/L .02 mg/L

.0001 mg/L .005 mg/L

.Img/L

F. METHOD

EPA 6020 EPA 6020

EPA6010A EPA6010A EPA 6010A EPA6010A EPA 6010A EPA 6010A EPA 6020

EPA 60IDA EPA 6020

EPA6010A EPA 6020

EPA 6010A EPA6010A

DIGESTED

9/22/98 9/22/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/22/98 9/23/98 9/22/98 9/23/98 9/22/98 9/23/98 9/23/98

ANALYZED

9/28/98 9/28/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/23/98 9/28/98 9/23/98 9/28/98 9/23/98 9/28/98 9/23/98 9/23/98


ND - Not Detected


" ) ' ^

NEL LABORATORIES I r i p (?)\a^tC CLIENT: Environmental Tech. of NV PROJECT NAME: ET/CC Sampling PROJECT NUMBER: 2598


# 13 9/18/98 L9809222-13

TEST: Volatile Organic Compounds by EPA SW846 Method 8260B, Dec. 1996 METHOD: EPA 8260B EXTRACTED: 9/24/98 MATRIX: Aqueous ANALYZED: 9/24/98 DILUTION: 1 ANALYST: SEJ

Result Reporting PARAMETER Ug/L Limit

Acetone ND 25. ng/L Benzene ND 5. ng/L Bromobenzene ND 5. ng/L Bromochloromethane ND 5. ng/L Bromodichloromethane ND 5. ng/L Bromoform ND 5. ng/L Bromomethane ND 5. ng/L 2-Butanone ND 25. ng/L n-Butylbenzene ND 5. ng/L sec-Butylbenzene ND 5. ng/L tert-Butylbenzene ND 5. ng/L Carbon disulflde ND 5. ng/L Carbon tetrachloride ND 5. ng/L Chlorobenzene ND 5. ng/L Chloroethane ND 5. ng/L Chloroform ND 5. ng/L Chloromethane ND 5. ng/L 2-ChlorotoIuene ND 5. ng/L 4-ChIorotoIuene ND 5. ng/L Dibromochloromethane ND 5. ng/L l,2-Dibromo-3-chIoropropane(DBCP) ND 5. ng/L 1,2-Dibromoethane (EDB) ND 5. ng/L Dibromomethane ND 5. ng/L 1,2-Dichlorobenzenc (o-DCB) ND 5. ng/L 1,3-Dichlorobenzene (m-DCB) ND 5. ng/L 1,4-Dichlorobenzene (p-DCB) ND 5. ng/L Dichlorodifluoromethane (Freon 12) ND 5. ng/L 1,1-Dichloroethane (1,1-DCA) ND 5. ng/L 1,2-Dichloroethane (1,2-DCA) ND 5. ng/L 1,1-Dichloroethene (1,1-DCE) ND 5. ng/L cis-1,2-Dichloroethene ND 5. ng/L trans-1,2-Dichloroethene ND 5. ng/L 1,2-Dichloropropane ND 5. ng/L 1,3-Dichloropropane ND 5. ng/L 2,2-Dichloropropane ND 5. ng/L


Surrogate

4-Bromofluorobenzene Dibromofluoromethane Toluene-d8

Result Reporting PARAMETER fig/L Limit

1,1-Dichloropropene ND 5. pg/L cis-1,3-Dichloropropene ND 5. ng/L trans-l,3-Dichloropropene ND 5. ng/L Ethylbenzene ND 5. ng/L Hexachlorobutadiene ND 5. ng/L 2-Hexanone ND 25. ng/L lodomethane ND 5. ng/L Isopropylbenzene ND 5. ng/L p-Isopropyltoluene ND 5. ng/L Methylene chloride (Dichloromethane) ND 5. ng/L 4-Methyl-2-pentanone ND 25. ng/L MTBE ND 5. ng/L Naphthalene ND 10. ng/L n-Propylbenzene ND 5. ng/L Styrene ND 5. ng/L 1,1,1,2-Tetrachloroethane ND 5.ng/L 1,1,2,2-Tetrachloroethane ND 5. ng/L Tetrachloroethene (PCE) ND 5. ng/L Toluene ND 5. ng/L 1,2,3-Trichlorobenzene ND 5. ng/L 1,2,4-Trichlorobenzene ND • 5. ng/L 1,1,1-Trichloroethane (1,1,1-TCA) ND 5. ng/L 1,1,2-Trichloroethane (1,1,2-TCA) ND 5. ng/L Trichloroethene (TCE) ND 5. ng/L Trichlorofluoromethane (Freon II) ND 5.ng/L 1,2,3-TrichIoropropane ND 5. pg/L 1,2,4-Trimethy Ibenzene ND 5. ng/L 1,3,5-Trimethylbenzene ND 5. ng/L Vinyl chloride ND 5. ng/L o-Xylene ND 5. ng/L m,p-Xylene ND 5. ng/L

% Recoverv

101 102 101

Acceptable Range

86- 115 86- 118 88- 110

ND - Not Detected This report shall not be reproduced except in full, without the written approval ofthe laboratory.

) ^

NEL LABORATORIES CLIENT: Environmental Tech. of NV PROJECT NAME: ET/CC Sampling PROJECT NUMBER: 2598


#11 9/18/98 L9809222-11

TEST: Volatile Organic Compounds by METHOD: EPA 8260B MATRIX: Aqueous DILUTION: 1

PARAMETER

Acetone Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane 2-Butanone n-Butylbenzene sec-Butylbenzene tert-Butylbenzene Carbon disulfide Carbon teU^chloride Chlorobenzene Chloroethane Chloroform Chloromethane 2-ChIorotoluene 4-Chlorotoluene Dibromochloromethane 1,2-Dibromo-3-chloropropane (DBCP) 1,2-Dibromocthane (EDB) Dibromomethane 1,2-Dichlorobeiizene (o-DCB) 1,3-Dichlorobenzene (m-DCB) 1,4-Dichlorobenzene (p-DCB) Dichlorodifluoromethane (Freon 12) 1,1 -Dichloroethane (1,1 -DCA) 1,2-Dichloroethane (1,2-DCA) 1,1 -Dichloroethene (1,1 -DCE) cis-1,2-Dichloroethene trans-1,2-Dichloroethene 1,2-DichIoropropane 1,3-Dichloropropane 2,2-Dichloropropane


Surrogate


Result Mg/L

ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

EPA SW846 Method 8260B, Dec. 1996

Reporting Limit

25. n&^ 5.ngA. s.ngA. 5. ng/L

. s.ngA. 5. ng/L 5. ng/L

25. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5.ng>L 5. ng/L 5. ng/L s.ngA. 5. ng/L 5. ng/L 5. ng/L 5. ng/L s.ngA. 5. ng/L 5.ngA. 5. ng/L 5-lig/L 5.ngA. 5. ng/L 5.ngA. s.ngA. 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L

%

EXTRACTED: 9/24/98 ANALYZED: 9/24/98 ANALYST: SEJ

PARAMETER

1,1 -Dichloropropene cis-1,3-Dichloropropcne trans-l,3-Dichloropropene Ethylbenzene Hexachlorobutadiene 2-Hexanone lodomethane Isopropylbenzene p-Isopropyltoluene Methylene chloride (Dichloromethane) 4-Methyl-2-pentanone MTBE Naphthalene n-Propylbenzene Styrene 1,1,1,2-Tetrachloroethane 1.1,2,2-Tetrachloroethane Tetrachloroethene (PCE) Toluene 1,2,3-Trichlorobenzene 1,2,4-Trichlorobenzene 1,1,1 -Trichloroethane (1,1,1 -TCA) 1, 1,2-Trichlorocthane (1,1,2-TCA) Trichloroethene (TCE) Trichlorofluoromethane (Freon 11) 1,2,3-Trichloropropane 1,2,4-Trimethylbenzene 1,3,5-Trimethy Ibenzene Vinyl chloride o-Xylene m,p-Xylene

Recoverv

99 99

100

Result Mg/L

ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

Reporting Limit

5. ng/L 5. ng/L 5. ng/L 5. ng/L s.ngA.

25.ngA. 5. ng/L 5. ng/L 5. ng/L 5. ng/L

25. ng/L 5.ng/L

10. ng/L 5. ng/L 5. ng/L 5. ng/L 5.ng/L 5. ng/L 5. ng/L

5. ng/L 5. ng/L 5.ng/L 5. ng/L 5.ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L

Acceptable Range

86-86-88-

115 118 110


^

NEL LABORATORIES I^:)j9k5 CLIENT: Environmental Tech. of NV PROJECT NAME: ET/CC Sampling PROJECT NUMBER: 2598


#8 9/18/98 L9809222-08

TEST: Volatile Organic METHOD: EPA 8260B MATRIX: Aqueous DILUTION: 1

PARAMETER

Acetone Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane 2-Butanone n-Butylbenzene sec-Butylbenzene tert-Butylbenzene Carbon disulfide Carbon tetrachloride Chlorobenzene Chloroethane Chloroform Chloromethane 2-Chlorotoluene 4-Chlorotoluene Dibromochloromethane 1,2-Dibromo-3-chloropropane (DBCP) 1,2-Dibromoethanc (EDB) Dibromomethane 1,2-Dichlorobenzene (o-DCB) 1,3-Dichlorobenzene (m-DCB) 1,4-Dichlorobenzene (p-DCB) Dichlorodifluoromethane (Freon 12) 1,1 -Dichloroethane (1,1 -DCA) 1,2-Dichloroethane (1,2-DCA) 1,1 -Dichloroethene (1,1 -DCE) cis-1,2-Dichloroethene trans-1,2-Dichloroethene 1,2-Dichloropropane 1,3-Dichloropropane 2,2-Dichloropropane

QUAUTY CONTROL DA TA:

Surroeate

4-Bromofluoroben2ene Dibromofluoromethane Toluene-d8

Compounds by EPA SW846 Method 8260B, Dec. 1996

Result Ug/L


Reporting Limit

25.iiglL 5. ng/L 5. ng/L 5. ng/L s.ngA. 5. ng/L 5. ng/L

25.ngA. 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5.ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L s.ngA. 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5.ngA. 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L

%

EXTRACTED: 9/24/98 ANALYZED: 9/24/98 ANALYST: SEJ

PARAMETER

1,1-Dichloropropene cis-1,3-Dichloropropene trans-1,3-Dichloropropene Ethylbenzene Hexachlorobutadiene 2-Hexanone lodomethane Isopropylbenzene p-lsopropyltoluene Methylene chloride (Dichloromethane) 4-Methyl-2-pentanone MTBE Naphthalene n-Propylbenzene Styrene 1,1,1,2-Tetrachloroethane 1, 1,2,2-Tetrachloroethane TeU^chloroethene (PCE) Toluene 1,2,3-Trichlorobenzene 1,2,4-Trichlorobenzene 1,1,1 -Trichloroethane (1,1,1 -TCA) 1,1,2-Trichloroethane (1,1,2-TCA) Trichloroethene (TCE) Trichlorofluoromethane (Freon 11) 1,2,3-Trichloropropane 1,2,4-Trimethylbenzene 1,3,5-Trimcthylbenzene Vinyl chloride o-Xylene m,p-Xylene

Recoverv

99 100 101

Result

Ug/L ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

Reporting

Limit 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L

25.ngA. 5. ng/L 5. ng/L s.ngA. s.ngA.

25. ng/L 5. ng/L

10. ng/L 5. ng/L 5. ng/L S.iiglL 5.ngA. 5. ng/L 5. ng/L 5. ng/L 5. ng/L s.ngA. 5. ng/L 5. ng/L s.ngA. s.ngA. s.ngA. S.iigfL s.ngA. 5, ng/L 5.ng/L

Acceptable Range

86-86-88-

115 118 110

ND - Not Detected 7VJ»5 report shall not be reproduced except in full, without the written approval ofthe laboratory.

'^ " l

NEL LABORATORIES ne\el glt^vc CLIENT: Environmental Tech. of NV PROJECT NAME: ET/CC Sampling PROJECT NUMBER: 2598

CLIENT ID: # 4 DATE SAMPLED: 9/18/98 NEL SAMPLE ID: L9809222-04

TEST: Volatile Organic METHOD: EPA 8260B MATRIX: Aqueous DILUTION: 1

PARAMETER

Acetone Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane 2-Butanone n-Butylbenzcne sec-Butylbenzene tert-Butylbenzene Carbon disulfide Carbon tetrachloride Chlorobenzene Chloroethane Chloroform Chloromethane 2-ChlorotoIuene 4-ChIorotoIuene Dibromochloromethane l,2-Dibromo-3-chloropropane (DBCP) 1,2-Dibromoethane (EDB) Dibromomethane 1,2-Dichlorobenzene (o-DCB)

•1,3-Dichlorobenzene (m-DCB) 1,4-Dichlorobenzene (p-DCB) Dichlorodifluoromethane (Freon 12) 1,1 -Dichloroethane (1,1 -DCA) 1.2-Dichloroethane (1,2-DCA) 1,1 -Dichloroethene (1,1 -DCE) cis-1,2-Dichloroethene trans-1,2-Dichloroethene 1,2-Dichloropropane 1,3-Dichloropropane 2,2-Dichloropropane


Surrogate


Compounds by EPA SW846

Result Mg/L


Reporting Limit

25.ngA. 5.ngA. 5-ng/L 5. ng/L 5.ngA. 5. ng/L 5. ng/L

25. ng/L s.ngA. 5. ng/L 5. ng/L 5. ng/L S.iig/L 5. ng/L 5. ng/L 5. ng/L 5-ng/L 5. ng/L s.ngA. 5. ng/L 5.ngA. 5.ngA> 5. ng/L 5. ng/L 5-ng/L 5.\igfL 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L s.ngA. 5. ng/L 5. ng/L

%

Method 8260B, Dec. 1996 EXTRACTED: 9/24/98 ANALYZED: 9/24/98 ANALYST: SEJ

PARAMETER

1,1-Dichloropropene cis-1,3-Dichloropropene trans-l ,3-Dichloropropene Ethylbenzene Hexachlorobutadiene 2-Hexanone lodomethane Isopropylbenzene p-lsopropyltoluene Methylene chloride (Dichloromethane) 4-Methyl-2-pentanone MTBE Naphthalene n-Propylbenzene Styrene 1,1,1,2-Tetrachloroethane 1,1,2,2-Tetrachloroethane Tetrachloroethene (PCE) Toluene 1,2,3-Trichlorobenzene 1,2,4-Trichlorobenzene 1,1,1 -Trichloroethane (1,1,1 -TCA) 1,1,2-Trichloroethane (1,1,2-TCA) Trichloroethene (TCE) Trichlorofluoromethane (Freon 11) 1,2,3-Trichloropropane 1,2,4-Trimelhy Ibenzene 1,3,5-TrimethyIbenzene Vinyl chloride o-Xylene m.p-Xylene

Recoverv

93 97

101

Result

ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

Reporting Limit

5. ng/L 5.ngA. s.ngA. 5. ng/L 5. ng/L

25.ngA. 5. ng/L s.ngA. 5. ng/L 5. ng/L

25. ng/L 5. ng/L

10. ng/L 5.ng^ 5, ng/L 5.ngA. 5. ng/L 5. ng/L s.ngA. s.npA. s.ngA. 5. ng/L

s.ngA. 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L s.ngA. 5. ng/L

Acceptable Ranee

86-86-88-

115 118 110


' ^

NEL LABORATORIES -Sftr' " ^ CLIENT: Environmental Tech. of NV

PROJECT N/VME: ET/CC Sampling PROJECT NUMBER: 2598


# 3 9/18/98 L9809222-03

TEST: Volatile Organic Compounds by EPA SW846 Method 8260B, Dec. 1996 METHOD: EPA 8260A EXTRACTED: 9/24/98 MATRIX: Aqueous ANALYZED: 9/24/98 DILUTION: 1 ANALYST: SEJ

Result Reporting PARAMETER ^g/L Limit

Acetone ND 25. ng/L Benzene ND 5. ng/L Bromobenzene ND 5. ng/L Bromochloromethane ND 5. ng/L Bromodichloromethane ND 5. ng/L Bromoform ND 5. ng/L Bromomethane ND 5. ng/L 2-Butanone ND 25. ng/L n-Buty Ibenzene ND 5. ng/L sec-Butylbenzene ND 5. ng/L tert-Butylbenzene ND 5. ng/L Carbon disulfide ND 5. ng/L Carbon tetrachloride ND 5. ng/L Chlorobenzene ND 5. ng/L Chloroethane ND 5. ng/L Chloroform ND 5. ng/L Chloromethane ND 5. ng/L 2-ChlorotoIuene ND 5. ng/L 4-ChlorotoIuene ND 5. ng/L Dibromochloromethane ND 5. ng/L l,2-Dibromo-3-chIoropropane(DBCP) ND 5. pg/L 1,2-Dibromoethane (EDB) ND 5. ng/L Dibromomethane ND 5. ng/L 1,2-Dichlorobenzene (o-DCB) ND 5. ng/L 1,3-Dichlorobenzene (m-DCB) ND 5. ng/L 1,4-Dichlorobenzene (p-DCB) ND 5. pg/L Dichlorodifluoromethane (Freon 12) ND 5. ng/L 1,1-Dichloroethane (1,1-DCA) ND 5. ng/L 1,2-Dichloroethane (1,2-DCA) ND 5. ng/L I,I-Dichloroethenc (1,1-DCE) ND 5. ng/L cis-1,2-Dichloroethene ND 5. ng/L trans-1,2-Dichloroethene ND 5. ng/L 1,2-Dichloropropane ND 5. pg/L 1,3-Dichloropropane ND 5-ng/L 2,2-Dichloropropane ND 5-ng/L

PARAMETER

1,1-Dichloropropene cis-1,3-Dichloropropene trans-l,3-Dichloropropene Ethylbenzene Hexachlorobutadiene 2-Hexanone lodomethane Isopropylbenzene p-lsopropyltoluene Methylene chloride (Dichloromethane) 4-Methyl-2-pentanone MTBE Naphthalene n-Propylbenzene Styrene 1,1,1,2-Tetrachloroethane 1,1,2,2-Tetrachloroethane Tetrachloroethene (PCE) Toluene 1,2,3-Trichlorobenzene 1,2,4-Trichlorobenzene 1,1,1 -Trichloroethane (1,1,1 -TCA) 1, 1,2-Trichloroethane (1,1,2-TCA) Trichloroethene (TCE) Trichlorofluoromethane (Freon II) 1,2,3-Trichloropropane 1,2,4-Trimethy Ibenzene 1,3,5-TrimethyIbenzcne Vinyl chloride o-Xylene m,p-Xylene

Result Mg/L

ND ND ND ND ND ND ND ND ND ND ND

ND ND ND ND ND ND ND ND Jm ND ND ND ND ND Jm ND ND ND ND ND ND ND

Reporting Limit

5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L

25. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L

25.ngA. 5. ng/L

10. ng/L 5.ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5.ng/L 5.ngA. 5. ng/L 5.ng/L 5. ng/L 5.ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L 5. ng/L


Surrogate


% Recoverv

99 101 101

Acceptable Range

86 - 115 86 - 118 8 8 - 110


^ ' ^

NEL LABORATORIES CLIENT: PROJECT ID: PROJECT #:

TEST: MATRIX:

Enviroimiental Tech. of NV 2598 2598

Inorganic Non-Metals Aqueous


#2 9/18/98 L9809222-02

'prtn ^

PARAMETER RESULT pH 8.85 pH Temperature 13.3 Specific Conductance 5880 Total Dissolved Solids 5480

REPORTBSG Lnvnr

1. 25.

D.F. 1 1 1 1

METHOD EPA 150.1 EPA 150.1 SM2510B SM 2540 C

UNITS

pH Units °C

pS/cm mg/L

ANALYZED 9/18/98 9/18/98 9/23/98 9/23/98


ND - Not Detected


4

~) ^

NEL LABORATORIES CLIENT: PROJECT ID: PROJECT #:

TEST: MATRIX:

PARAMETER

pH pH Temperature Specific Conduc! Total Dissolved 1

Environmental Tech. of NV 2598 2598

Inorganic Non-Metals Aqueous

tance Solids

RESULT

6.09 14.7 9530 7540

REPORTING LIMir

2. 1. 1.

25.

2 i 1 1 1 1

CLIENT ID: # 7 ' DATE SAMPLED: 9/18/98 NEL SAMPLE ID: L9809222-07

F. METHOD UNITS

EPA 150.1 pH Units EPA 150.1 °C SM2510B pS/cm SM 2540 C mg/L

1 - " —

ANALYZED

9/18/98 9/18/98 9/23/98 9/23/98


ND - Not Detected


3

^ ^

NEL LABORATORI ES T;î ptu,c.k I G T ^ 3 CLIENT: PROJECT ID: PROJECT #:

TEST: MATRIX:

PARAMETER

pH pH Temperature Specific Conduc Total Dissolved:

Environmental Tech. of NV 2598 2598

Inorganic Aqueous

tance Solids

Non-Metals

RESULT

6.12 15.6 9490 7540

REPORllNG LDVin

2. 1. 1.

25.

1 1 1 1


F. METHOD

EPA 150.1 EPA 150.1 SM2510B SM 2540 C

#10 ' ' 9/18/98 L9809222-10

UNITS

pH Units °C

pS/cm mg/L

ANALYZED

9/18/98 9/18/98 9/23/98 9/23/98


ND - Not Detected


4

Converse Consultants 731 Pilot Road, Suite H Las Vegas, Nevada 89119-4429

Phone: (702) 269-8336 • Fax: (702) 269-8353

i f f ^OT-z-^^-L CHAIN OF CUSTODY RECQFJP

Project Name £ r ^ C C S/»Alf •-••vb

Project Location LA% U & G A V

Project Numt>er

ProjectManager

Lab Sample Number

t>;

OZ

0 3

0 ^

o5

Date Sampled

^^mi *\\9'^s '^•ig-s< \ l t 9 iO

^ >e'?gy^,s^ *^ •9'»S |WJ!5

Time Sampled

l̂ aa. Bao

Matrix

ilu-G U I

GO fevO

€>0

Sample Collector

Phpne Number

T^fo-^-lfeoo

S T d a e t A lr|Av;i£>HX

Sample IdentifKation

^ \ % W U T Vot>^^/v4Ho3 **9>g \ y SOQ «̂.pô a w 7 v 4 M 0 7

Comp. Instr.

>rAn

GtVAO

CNOAO

Giv>o ^ Q A 3 l ^T L o fe

o ^ 4 o > ^ c U o ^ S " ^ / H C C Gc? / O ^•19-q'e Itv* 6-U I O S \ v SQQw^^ P>a».-i G*\/>i^ / / Q>..9-r^ / 3

A-»9

B9730/1998 1 3 : 1 6 7026571577 NEL-LAS VEGAS PAGE 01

")

NEL LABORATORIES Reno • Las Vegas Phoenix • Burbank

Las Vegas Division 4208 Areata Way. Suits A • Las Vegas, NV 89030

(rtOi 6S7-1010 • Fax: (702) 657 1577 1-688-368-3282

CLIENT: Environmental Tech. of NV 770 E. Sahara Ave. Las Vegas. NV 89104

ATTN: Tom Gardner




Samples were received by NEL in good condition, under chain of custody on 9/22/98-



TDS Note: Due to discrepancy between the TDS and Speeinc Conductance resnlts, TDS la being re-analyzed. Therefore, the TDS result of 3370 mg/L shonld be considered a preliminary result only.

Stan Van Wagcni Laboratoty Monai

CERTIFICATinNS

f ^ \ l . \ ^ ^ ( ^ hot M

Arizona Califomia US Army Corps of Engineers

R

09/30/1998 13:16 702S571577 NEL-LAS VEGAS

• ^

PAGE 02

• )

NEL LABORATORIES Reno • Las Vegas Phoenix • Burbank

LBS Vegas Division 4208 Areata Way. Suite A • I j s Vegas. NV 69030

(702) 657-1010 • Fax: (702) 667-1577 1-888-368 3282

September 30, 1998


Dear Mr. Gardner:

Per your request NEL Laboratories has reviewed the volatile results for yotir ET Log #2598. The chromatograms for the three water samples submitted under that project were examined for peaks that were not identified as one ofthe volatile compounds on NEL's list. We specifically examined the above mentioned samples for the presence of trims-l,4-DichloTX)-2-butenc, and Acrylonitrile A mass spectral library search ofthe unidentified peaks indicated that no trans-1,4-Dichloro-2-butene nor Acrylonitrile were present in the samples.


Sincerely, For NEL

fSM .vT Stan Van Wa] Laboratory Niftnagcr Las Vegas Envision

Corporate Offiee & Heno Division • 1030 Matiey Lane » Reno. NV 80502 • (702) 346-2S22

09/30/1998 13:16 7026571577 NEL-LAS VEGAS PAGE 04

1 1

NEL LABORATORIES CLIENT: Environmental Tech. of NV PROJECTNAME: PROJECT NUMBER:

TEST: MATRDC:

PARAMETER

Antimony Arsenic Duium BoyllJum Cadmhun Chromium Cobalt Copper (md Nickel Selenium Silver Thallium Vanadium Zinc

ET/CC Sampling 2598

Mctab Aqueous

RESULT REPORTING me/L

ND ND

0.026 hJD ND ND ND ND ND ND NO ND ND ND ND

UMTF D.

.05 mg/L 1 . 1 mg/L

.003 mg/L 1

.005 mgO- 1 .01 mg/L 1 .01 mg/L .01 mg/L

.005iDg/L .OS mg/L .04mg/L

Irag/L .02 mg/L

Img/L .005 mg/L

.Img/L


F. METHOD

EPA 6010A EPA 60IOA EPA60I0A EPA 6010A EPA 601 OA EPA6010A EPA 6010A EPA 6010A EPA 6010A

I EPA 6010A I EPA 60I0A 1 EPA 6010A 1 EPA 6010A 1 EPA 60IDA 1 EPA 6010A

«4 LCi 9/22/98 L980927I-OI

DICESIED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98

x-x^

ANALYZED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98


ND - Not Detected

r/ils repon shall not be reproduced except tnfuU, without the wrmen approval ofthe laboratory.

09/30/1998 13:16 7025571577 NEL-LAS VEGAS PAGE 05

^

NEL LABORATORIES CLIENT: Environmental Tech. of NV PROJECT NAME: ET/CC Sampling PROJECT NUMBER: 2598


«18 9/22/98 L9809271-05

Tfvp"

TEST: MATRIX:

PARAMETER

Antimony Arsenic Barium Beryllium Cadmium Chromium Cobah Copper Lead Nickel Selenium Sitver Thallium Van«dium Zinc

MeUb Aqueous

RESULT

— ND ND ND NO ND ND ND

0.018 ND ND ND ND ND ND ND

REPORTING U M I T D.

-05 mg/L ] .Img/L

005 mg/L 005 mg/L .01 mg/L .01 mg/L .01 mg/L J

.OOSmgrt. .05 mg/L .04 mg/L

Irag/L .02 mg/L

Img/L .005 mg/L

.Img/L

r . METHOD

EPA6010A EPA6010A EPA 601 OA EPA6010A EPA6010A EPA6010A EPA6010A EPA 60IDA EPA6010A EPA6010A EPA6010A EPA6010A

I EPA 6010A 1 EPA6010A 1 EPA6010A

DIGESTED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98

ANALYZED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98

D.F.. Dilution Factor

ND - Not Detected

TViij report shall not be reproduced except tn/ull, wtihout the written approval ofthe laboratory.

09/30/1998 13:16 7026571577

1 NEL-LAS VEGAS

" ^

PAGE 05

NEL LABORATORIES ^ ^ ^ CLIENT: Environmental Tech. of NV


CLIENT ID; #20 DATE SAMPLED: 9/22/98 NEL SAMPLE ID: L9809271 -07

TEST: MATRIX:

PARAMETER

Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper LCM)

Nickel Selenium Silver Thalliuin Vanadium Zinc

Metali Aqueous

RESULT mg/L

ND ND ND ND ND ND ND

0.012 ND NO ND ND ND NO ND

REPORTING LIMIT D.

-05 mg/L .tmg/L 1

005 mgO. .003 mg/L .01 mg/L .01 mg/L -OlmgO. 1

.005 mg/L -05 mg/L -04 mg/L

-Img/L -02 mg/L • )mg/L

.005 mg/L -Img/L

F. METHOD

EPA6010A EPA 6010A EPA6010A EPA 601 OA EPA 6010A EPA 6010A EPA6010A EPA 60IDA EPA 6010A EPA 6010A EPA 6010A EPA6010A EPA 601OA

I EPA 6010A EPA 6010A

DIGESTED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98

ANALYZED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98

D.F. - Dilufion Factor

ND-Not Detected

TTiu report shall not be reproduced except in full, without the written approval ofthe laboratory.

09/30/1998 13:16 7026571577

)

NEL-LAS VEGAS

"̂

PAGE 07

NEL LABORATORIES CLIENT: Environmental Tech. of NV PROJECTNAME: ET/CC Sampling PROJECT NUMBER: 2598


TESf: Mctab

PARAMETER

Antimony

Arsenic Barium Betyllium Cadmium Chromium Cobalt Copper Lead Nickel Selenium Silver Thallium Vanadium Zinc

RESULT me/L ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LIMFT D. F. METHOD

005mg/L 0.1 mg/L

0.005 mg/L 0.005 mg/L 0.01 mg/L 0.01 mg/L aOlmg/L

0.005 rag/L 0.05 mg/L 0.04 mg/L 1 0.1 mg/L

0.02rog/L 0.1 mg/L

0.005mgflL 1 0.1 mg/L

1 EPA 6010A 1 EPA 601 OA 1 EPA 6010A

EPA6010A EPA 60 IDA EPA 6010A EPA6010A EPA6010A EPA 6010A EPA6010A EPA6010A EPA6010A EPA 6010A EPA 6010A EPA6010A

DIGESTED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98

ANALYZED

9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98 9/25/98


ND - Not Detected


09/30/1998 13:16 7026571577 NEL-LAS VEGAS

^

PAGE 08

NEL LABORATORIES

L(:i'^>^H



METHOD: VOLATILE ORGANIC COMPOUNDS hy KPA R260A, September 1994 SAMPLE MATRIX: AQUEOUS

Client ID: # 16 N E U D : L9809271-03

PAKAMTTER Acetone Freon M3 Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane 2-ButBnonc n-Butylbenzene SCG-Butyll)cnzenc tcrt-Butylbenzene Carbon disulfide Cattran tetrachloride Chlorol>cnzeiie Cliloroetlwne Chloroform Chloromethane 2-Chlorotolucnc 4-Chlorotoluenc Dibromochloromethane l.2-Dibromo-3-chloropropanc (DBCP) 1,2-DibromocthBnc (EDB) Dibromomethane 1,2-Dichlorubenzcne (o-DCB) t,3-Dichlorobcnzene (m-DCB) 1,4-Dichlorot>enzieoe (p-DCB) Dichlorodinuoromcthane (Freon 12) 1,1 -Dicliloroethane (1,1 -DCA) 1,2-Dichlorocthanc (1,2-DCA) I, I -Dichloroethene (1,1 -DCE) cis-) ,2-Dicliloruethenc trans-1.2-Dichlorocthcnc 1,2-Dicbloropropane

QUAUnCONTROL DATA: Surrogate



ua/L ND ND ND ND ND ND ND ND 210 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LIMIT 50 ug/L 3wj/L 5 Ug/L 5M8A. SugO. 5pg/L 5 Ug/L Suga. 50 ng/L 5 Ug/L 5 Ug/L 3 ng/L 5 pg/L 5 Ug/L sngflL Sjig/L Sugrt. 5>»g/L 5 pg/L 5ng/L 'Mg/L SP8/L SpgO-5ugA-SpgO. 5 ng/L 5v*gA. 5M«/L Sns/L 5 ug/L SMKO. 5|igA. 5 ng/L 5 Mg/L

% Recoverv

94 98 91

PARAMETER 1,3-Dichloropropane 2,2-DichlurupropaDC 1,1 -Dichloropropene cis-1,3 -Dichloropropene trans-1,3-Dlch1oropropcnc Ethylbenzene Hexachlorobutadiene 2-HcxBnonc lodomethane Isopropylbenzene p-Isopropyholuenc Methylene chloride (Dichloromethane) 4-Methyl-2-pcntanone Methyl-t-butyl ether (M1 BE) Naphttialcnc n-Propyltieiizene Styrene 1,1,1,2-TctnK:hIorTx1hanc 1,1.2,2-TetrsrAloroethane Tetrachloroethene (PCE) Toluene 1,2,3-Trichlorobenzcne 1,2,4-Trichloroben2cne 1,1.1-Trichloroethane (1,1.1-TCA) 1,1,2.Trichloroethane (1,1,2-TCA) Trichloroethene (TCE) Trichlorofluororeethute (Freonl 1) 1.2,3-TrichIoroproponc 1,2,4-Trimcthy Ibenzene 1,3,3 -Trimethytticnzene Vinyl chloride o-Xylene m,p-Xylene

ursuLT Ug/L ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND NO NO ND ND ND ND ND ND ND ND ND

REPORTING LIMIT 5 ug/L 5 ug/L 5 Ug/L 5 ug/L 5 Mg/L 3 Mg/L 5 Mg/L 50 pg/L 5 pg/L 5 Mg/L 5 Mg/L 10 Mg/L 50 Mg/L 10 Mg/l. 5 ng/L 5ngA. 5 Mg/L 5ng/i. 5 Mg/L 5 Mg/L 5 Mg/L 5 Mg/L 5 ng/L 5 Mg/L 5ngA. 5 Mg/L Sng/l. 5 Mg/l. Sng/l-5 Ug/L 5 Mg/I. 5ngA. 10 Mg/L

Acceptable Range

86-118ye 88-110% 86-115%

TTlii rrpprt shall not be reproduced except in full, without the written approval ofth» laboratory

09/30/1998 13:16 7026571577 NEL-LAS VEGAS

)

PAGE 09

NEL LABORATORIES

CLIENT: Environmental Tech. o f N V P R O J E C T N A M E : ET/CC Sampling PROJECT N U M B E R : 2598

DATE S A M P L E D : 9/22/98

ANALYST: N N E

METHOD: V O L A T I L E O R G A N I C C O M P O U N D S by E P A 8260A, S e p t e m b e r 1994 SAMPLE M A T R I X : A Q U E O U S

Client ID: # 17 ' T * ^ ^ ^ N E L ID: L9809271-04

RESULT REPORTING P A R A M t T E R UgO^ LlMir Acetone ND 30 pg/L Freon 113 ND 3 ng/L Benzene ND 3 ng/L Bromobenzene ND 3 ng/L Bromochloromethane ND 3 ng/L Bromodichloromethane ND 3 ng/L Bromoform NU S ng/L Bromomethane ND 3 ng/L 2-ButBnonc ND 50 ng/L n-Butylbenzene ND 5 ng/L sec-Butylbenzene NO 5 ng/L teit-Butylbenzcne ND 5 ng/L Caibon disul6de ND 5 ng/L Carbon tetrBchloridc ND 5 ng/L Chlorobenzene ND 5 pg/L Chloroethane ND S ng/L Chloroform NO 5 ng/L Chloromethane NO 3 pg/L 2-Chlorotoluene ND S ng/L 4-Chlorotolucne ND 5ng/L Dibromochloromethane ND 3 pg/L l,2-Dibromo-3-chloropropane(DBCP) ND 3 ng/L 1,2-Dibromoethane (EDB) ND 3 ng/L DitHomomethane ND 5 ng/L ),2-Dicblorobenzcne (O-DCB) ND 5 ng/L 1,3-Oichlorobenzcne (m-DCB) ND 5 nS/L 1.4-Dichlorobenzene (p-DCB) ND 3 ng/L Dlchlorodinuoromettiane (Freon 12) ND 5 ng/L l.l-DichlorocOiane(l.l-DCA) ND 3 ng/L 1,2-Dichloroethane (1.2-DCA) fn> 3 ng/L 1,1 -DichlorocOienc (1.1 -DCE) ND 5 pg/L cis-1,2-Dichloroethene ND 5 ng/L trans-1,2-DichlorDCthcnc ND 5 ng/L 1,2-DichloropropBnc ND 3 ng/L

A N A L Y Z E D : 9/25/98

1,3-DichlorDpropanc 2,2-DichloropTOpanc 1,1 -Dichloropropene cis-1,3-Dichloropropene trans-1,3 -Dichloropropene Ethyll>en2W>e Hexachlorobutadiene 2-Hexanone (odomettiane Isopropy llxaizcnc p-Isopropyltolucnc Methylene chloride (Dichloromethane) 4-Mcthyl-2-pcntanone Mcthyl-t-butyl ether (MTBE) Naphthalene n-Propy Ibenzene Styrene 1.1.1,2-TetrBchloToethane 1.1,2,2-TetrM:hloroethBne TeUachlorocthenc (PCE) Toluene 1.2,3 -Trichlorol>eiuenc 1,2.4-Trichlorobenzcne 1.1,1 -Trichloroethane (1.1,1 -TC A) 1,1,2-Trichloroethane (1,1,2-TCA) Trichloroethene (TCE) Tricblorofluoromethane (Freonl!) 1,2,3-Trichloropropane 1,2,4-Trimcthylbenzaic 1,3,3 -Trimcthylt>cnzcnc Vinyl chloride o-Xylene m.p-Xylene

ESULT ue/L NO ND ND ND ND NO ND ND ND ND ND ND ND ND ND ND ND ND ND ND NO NO NO ND ND ND ND ND ND ND NO NU ND

REPORTING LIMIT 5 ng/L 5ng/i-3 ng/L 5 Mg/L 5 Mg/L 5 Mg/l. 5 ng/L 50ng/i-3 ng/L 5ng/ i . 5ng/i-10 Mg/L 50 MR/I. 10 ng/L 5 Mg/L 5 Mg/L 5 Mg/L SpgA. 3 ng/L 5-Mg/L 3 Mg/L 5 Mg/L SME/L

5 MR/L 5 Mg/L 5 ME/L 5ng/l. Sng/L 5ng/i-5 Mg/L 3 Mg/l. 5M6/L 10 ng/L

QUALrn CONTROL DATA Surrogate

Dibromofluoromethane Toluene-d8 4-Bromonuorobenzene ND • Not Detected

% Recovery

94 98 98

Acceptable RaBge

86-118% 88-110% 86-115%

This repon ahalt not be reproduced except in full, without the written approval ofthe laboratory

09/30/1998 13:15 7025571577 NEL-LAS VEGAS

1 PAGE 10

NEL LABORATORIES

CLIENT: Environmental Tech of NV PROJECTNAME: ET/CC Sampling PROJECT NUMBER: 2598

DATE S/VMPLED: 9/22/98 ANALYST: NNE

METHOD: VOLATILE ORGANIC COMPOUNDS by EPA 8260A, Septeraber 1994 SAMPLE MATRIX: AQUEOUS

^>Cy Client ID: #19 N E L ID : L9809271-06

RESULT PARAMETER pg/L Acetone ND Freon 113 ND Benzene ND Bromobenzene ND Bromochloromethsnc ND Bromodichloromethane ND Bromoform ND Bromomethane NO 2-Butanone ND n-Butylbcnzcnc ND sec-Butylbenzene ND tcrt-Butylbenzene ND Carbon disulfide KD Carbon tetrachloride ND Chlorobenzene ND Chloroelhanc ND Chloroform ND Chloromethane ND 2-Chlorotoluene ND 4-Chlorotolucne ND Dittromochloromcthanc ND l,2-Dibromo-3-chloropropane(DBCP) ND ],2-Dibromoeihane(EDB) ND Dibromomethane ND 1,2-Dichlorobenzene (o-DCB) ND 1,3-Dichlorobenzene (m-DCB) ND 1,4-Dichlorobenzene (p-DCB) ND Dichlorodifluoromethane (Freon 12) ND I.J-Dichloroclhane(l.l-DCA) ND 1,2-Dichloroethane (1,2.DC A) ND ), 1 -Dichloroethene (1,1 -DCE) ND cis-1,2-Dichloroethene ND tnuu-l.2-Dichloiocthcnc ND 1.2-OichloTOpropBnc ND

REPORTING LIMIT songA. 5 pg/L 5 pg/L 5 pg/L 5 Mg/L 5 ng/L 5 Mg/L 3 Mg/L 30 ng/L Spga. 3 Mg/L 5 Mg/L 5 ng/L 5 ng/L 5 ng/L 5 ng/L 5 Mg/L 5ngA. 5 ng/L 5Mg/L 3 ng/L 5 Mg/L 5 Mg/L SugA. 5 ng/L 5M8/L 5 ng/L 5MgA. 5 ng/L SMgA. Sng/L 5 pg/L 3 ug/L 3 ng/L

ANALYZED: 9/25/98

PARAMETER 1.3-Dichlaropropane 2,2-Dichloropropane 1,1 -Dichloropropene cis-1,3-Dichloropropene trans-1,3-Dichloropropcnc Ethylbenzene Hexachlorobutadiene 2-Hcxanonc lodomethane Isopropylbenzene p-IsopropyltolucDe Methylene chloride (Dichloromethane) 4-Methyl-2-pentaoone Mcthyl-t-butyl ether (MTBE) Naphthalene n-Propy Ibenzene Styrene 1,1.1,2-Tetr»chlorocthBne t, 1,2,2-Tetrachloroethane Tetrachloroethene (PCE) Toluene 1.2,3-Trichlorobcnzene 1,2,4-TricWorobcnzenc 1,1.1 -Trichloroethane (J. 1.1 -TCA) 1.1,2-Trichloroclhiinc (1,1.2-TCA) Trichloroethene (TCE) Trichlorofluoromethane (Freon 11) 1,2.3-Trichloropropane 1,2,4-Trimethylbenzene 1,3,3 -Trimethylbenzene Vinyl chloride o-Xylene m,p-Xylene

RESULT ug/L ND ND ND ND NO ND ND ND ND ND NO ND ND NO ND ND NO ND NO NO ND ND ND ND ND ND NO ND ND ND NO NO ND

REPORTING LIMIT 5ng/»-5 Mg/L 5 Mg/L 3 Mg/L 5 Mg/l. 5 ng/L 5 Mg/L 50 pg/L 5 Mg/L 5ng/l. 3 Mg/L 10 ng/L 50 ng/L lOng/L 3 Mg/L 5 Mg/L 5 Mg/l-5 Mg/L 5 Mg/L 5 Mg/L 3Mg/L 5 Mg/L 5n6/L 5 ng/L 5 Mg/L 5 Mg/L 5 Mg/L 5 Mg/L 5 Mg/L 5 ng/L 3 Mg/L 5 Mg/L 10 ng/L

QUALTFY CONTROL DATA: SMiTDeate

Dibromofluoromethane Tohiene-d8 4-BromofIuorobenxene ND - Not Detected

% Recoverv

93 99 95

AcceptabHHuagc

86-118% 88-110% 86-115%

This raport thall nol be rtprodnced except in full, without the written approval ofthe laboratory.

09/30/1998 13:16 7025571577 NEL-LAS VEGAS

" ) >

PAGE 11

NEL LABORATORIES

PROJECTNAME: ET/CC Sampling PROJECT NUMBER: 2598

DATE SAMPLED: NA ANALYST: NNE

METHOD: VOLATILE ORGANIC COMPOUNDS by EPA 8260A, Septeinber 1994 SAMPLE MATRIX: AQUEOUS

Client ID: Mediod Blank NEL ID: 09259g-VMS2-BLK

PARAMETER Acetone FrcoQll3 Benzene Bromobenzene Bromochloromethane Bromodichloromethane Dromoform Bnmiomethane 2-Butanone n-Butylbcnzene sec-Butylbcnzcne tcit-Buty Ibenzene Carbon disulfide Carbon tetrachloride Chlorobenzene Chluruelhane Chlorofonn Chloromethane 2-Chlorotoluene 4-Chlorotoluenc Dibromochloromethane l,2-Dibromo-3-chlorapropane (DBCP) 1.2-Dibromocthane (EDB) Dibromomethane l,2-Dichloroben2ene (o-DCB) 1,3-Dichlorobcnzenc (m-DCB) 1,4-Dichlorobcnzenc (p-DCB) Dichlorodifluoromethane (Freon 12) 1,1 -Dichloroethane (1,1 -DC A) 1,2-Dichlorocthanc (1.2-DCA) 1,1-Dichloroethcne (1,1-DCE) cis-1,2-Dtchlorocthene Inuis-1,2-DichluruclheiM! 1,2-DichloTOpFopanc

QUALfTY CONTROL DATA: SurroKBtc

Dibromofluoromethane Toluene-d8 4-BromofluorobciUBne ND - Not Detected

RESULT ne/L ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

REPORTING LIMIT 50 ug/L 5Mg/L 5ng/L 5pgA-SiXglL 5 ng/L 5 pg/L 5 Mg/L 50ngA-5 ng/L 3ngA. 5 pg/L i ^ i g ^ 5 pg/L 5 ng/L 5 Mg/L SMgA-5ng/L 5 Mg/L 5pg/L 5 Mg/L 5MgA-3 ng/L 5 ng/L 5 pg/L SngA-5 Mg/L 5 Mg/L 5 Mg/L 3M8/L SngA-5MgflL 3 Mg/L 5 pg/L

% Recovery

90 99 93

ANALYZED: 9/25/98

PARAMETER 1,3-Dichloropropanc 2,2-Dichloro propane 1,1 -Dichloropropene cis-1.3-Dichloropropene trans-1,3-Dichloropropene Ethylbenzene Hexachlorobutadiene 2-Hexanonc lodomethane Isopropylbenzene p-lsopropyltolucnc Methylene chloride (Dichloromethane) 4-Methyl-2-pentanone Mcthyl-t-butyl ether (MTBE) Naphthalene n-Propylbcnzcnc Styrene 1,1,1.2-Tetiiichlorocthanc 1.1,2,2-Tetrachlorocthane Tetrachloroethene (PCE) Toluene 1,2.3-Trichlorobcnzenc 1,2.4-Trichlorobenz«ie l.l.l-Trichloroetbanc (l.I.l-TCA) 1,1,2-TrichloroclhHnc (1.1.2-TCA) Trichloroethene (TCE) Trichlorofluoromethane (Freonl 1) 1,2,3-Trichloropropane 1,2,4-Irimcthy Ibenzene 1,3.3-Trimethylbenzcne Vinyl chloride o-Xylene m,p-Xylene

RE.SULT Ul/L ND ND ND ND ND ND ND ND NO ND NO ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND

AcccDUbleRaB«

86-118% 88-110% 86-115%

REPORTING LIMIT 5 ng/L 3 Mg/L 5 Mg/l-5 pg/L 3 ng/L 5 ng/L 5 pg/L 50 ng/L 3 Mg/L 5 Mg/L 5 Mg/I. 10 Mg/l. 50 ng/L 10 ng/L 5 pg/L 5 Mg/L 5 pg/L 5ng/i-3 ng/L 5 Mg/L 5 Mg/L 5 Mg/l. 3 Mg/L 5 Mg/L 5 Mg/l 5 Mg/l 5 Mg/I-5 Mg/l. 5 ng/L 5 Mg/L 5 ng/L 5 Mg/L 10 Mg/L

7>« nrport shall not be reproduced except in full, without Ihe written approval ofthe laboratory

09/30/1998 13:16 7026571577

1 NEL-LAS VEGAS

^

PAGE 03

NEL LABORATORIES L(2> ^ ^ M CLIENT: Environmental Tech. of NV PROJECTNAME: ET/CC Sampling PROJECT NUMBER: 2598

1 ^ CLIENT ff): # DATE SAMPLED: 9/22/98 NEL SAMPLE ID; L9809271-02

TEST: iBorgaak Non-Metab MATRIX: Aqueous

PARAMETER pH pH Temperature Specific Ccmductance

RESULT 9.66 16.5

17900

UNITS pH Units

•c uS/cm

REPORTING LBSHI

2 1 1

D.F. I 1 1

METHOD EPA 150.1 EPA 130.1 SM2510B

ANALYZED 9/23/98 9/23/98 9/28/98

This report shall nol he reproduced except in full, without the wrUten approval qflhi laboratory.

® Converse Consultants 731 Pikit Road. Suits H CuHÔ V 99tf JEdaotf Y U Las Ve9»y Nevada 89119-4429 Owdienwtwnn Phone: (702) 269-8338 • Fax: (702) 289-8353 ( J ^ ^ ( ^ ^ 2 _ ' T ^

^ CHAJN OF CUSTODY RECORD

Number

lufa

rTO|aci Numoar

Prp^ct Location

L - t V > ^ Prcject ManagM'

Sample Ni«nbar SampM

Tme

Semplid

Qui t s " WSQWVaeH &&fta-

»'*fl l? : i fe feu 1^ lfe> » '^VHOMCQOAS'^/Uci. aa^< i^^r>>T

Xlao- ** S:^ 3 W ILT 9 A V ^ ^ / M ^ O ! I faftK>

t ^ A A ^ A ^ T A T

t^T U O ^ *t - ^ S ' J ' Q

Covnpeny Trne

C ^

Q l ^ ^

(US'

•Clark County ^ ^ ' ° " '•I Sawag* treolmant ipttrnK

woits wolsr tiitatmanT $ t^6 t

(8/85)

C '̂:

'̂ : M/yhym-iyy•••:• ' - ,s,y\'^b^.:'^^.-»

->is • . ; \ f

I-'̂ >. i i i - : :^^ ;^^^ qr-l^X.[^:^.j»La. r::trs • ̂ Ji_.:

••-V

j^-y. .

9

" ^ .#•' ..yp4^^'^^-yy^:0^^ ̂ - y)'^Wii^'y•k^\>^^••ry••'-• I' .

,->«•

^

^ ' ^ , ^ v ' ^ " W -

DATr Nov. 1986 p^^^DLMoson CMICD: JW

REVISIONS

t^PH:. RLD /Qsemcc Assoclot

Son Joie Co I ifor

Attachment 2

Results from Sample Collected from Holding Tank for Water from Nevada Ready Mix Well

• 1 inch = 2000 feet scale Site Map with Nevada Ready Mix (NRM) Well aitd Holdirtg Tank Location (1 page)

• C-O-C Form (1 page)

• Analytical results for sample collected on 10/1/98 (trihalomethanes, metals, furrtigants, chlorinated pesticides, and herbicides) (21 pages)

>:

t - 1

s

i)

. t

..":' i ?Jy\\i^m^a;:^^^~•^•\

"T -̂y-,ygfmg:A:y,-.. 27-

; .s ;!^ 'V:-^-;C'25^-iF^

I n

. • ^ • f ^ * - ^

::1

- ^ ••• • i l Phi : -? V • -rv- Y-:'ij W'y?s£mmmmj

•t:/- ^ •: "̂ 13 • • 4i^y^^-^yy•-yx^ry^y4g4^mf

••̂ .̂̂ ik y- A / / H ŷ

10/12/1998 17:59 7025571577

1 NEL LABORATORIES

Reno • Las Vegas Phoenix • Irvine

NEL LAS VEGAS PAGE 01

Las Vegas Division 4208 /Vcata Way. Suite A • Las Vegas. NV 89030

(702) 657-1010 • Fax: (702) 657-1577 1-688-368-3282


ATTN: Tom Gardner

PROJECT NAME: NRM Tank PROJECT NUMBER: 2616


Attached are fte analytical results for samples in support ofthe above referenced project.




Some QA results have been flagged as follow*: C - Sample concentration is at least 5 times greater than spike contribution. Spike recovery criteria do not

apply.

Stan Van Wa Laboratory Manager

CERTIFICATIONS: Rfcpo

M jizk^

Arizona AZ0520 Califomia 1707 US Army Corps Certified Certified Cettified of Engiaeers

Date

Las Vegas S. Califomia Reno Las Vegas S. Califomia A20518 AZ0583 Idaho Certified Certified 2002 2264 Montana Certified Certified

Nevada NV033 NV052 CA084 Washington Certified

Corporate Office & Reno Division • 1030 Motley Lane • Reno. NV 89502 • (702) 348-2522

10/12/1998 17:59 7026571577

) NEL LAS VEGAS PAGE 02

NEL LABORATORIES CLIENT: Environmental Tech. of NV PROJECT NAME: NRM Tank PROJECT NUMBER: 2616

C'LIHNI IU: " DATE SAMPLED: NEL SAMPLE ID:

"F I 10/1/98 L9810004-02

TEST