Attachment A, Additional Alluvial Characterization Water ...GlsltgWYSS..S751 * Rapid City, So 1111-1172-1225 a Collaep Statio, TX 81111-11111-221111 LABORATORY ANALYTICAL REPORT Prepared

POWERTECII (USA) INC.

ATTACHMENT A

Additional Alluvial Characterization Water Quality

4POMMch fuw Inc.

Powertech (USA) Inc.Dewey-Burdock ProjectAlluvial Characterization Sampling Results

Well Well Well Well Well Well Well Well Well Well Well Wel •I Wel well Human Health708 708 708 708 708 711 712 713 714 715 BI-2 C-2 BC-2 i C-2 Standards ARSD

I I1 74:54:01:04Sample Collection Date 11/6/12012111/6/2012111/6/2012111/6/20121 11/6/20121712312012812BI021/Ol9110120212

Ph

Lab pH s.u. 7.22 7.29 7.28 7.21Total Dissolved Solids mg/LLab Conductivity umhos/cm 5920 6300 6250 16300

Comm(Alkalinity, Total as CaCO3 mg/L 288 298 . 32 1 298 1

Bicarbonate as HCO3 mg/L

Calcium, Ca mg/LCarbonate as CO3 mg/t

6.5-8.51000

250

500

Chloride, C0 m2/LFluoride. F me/LMaenesium. Me me/L

Nitrate, NO3 (as Nitrogen) mg/L

Potassium. K maJLSodium. Na me/L

Sulfate, S04mg/L

Highlighted value exceeds ARSD 74:54:01:04 Human Health Standard.NM - The sample was not tested for this parameter.

November 2012 A-1 Attachment A

u,•m W 177-4724711 @ 8llllngs Ur 3-735-448 a Cupar, WY 68235454615AW6" XS1W ,•Gita WY V11411-77111 @ Rapid Cit, SO 66-1672-1225 a Coflep Station, X 616-615-2213

ANALYTICAL SUMMARY REPORT

November 13, 2012

Powertech USA Inc

PO Box 812Edgemont, SD 57735

Workorder No.: R12110088 Quote ID: R412

Project Name: #708 plus Alluvial

Energy Laboratories Inc. Rapid City SD received the following 7 samples for Powertech USA Inc on 11/7/2012 for analysis.

Sample ID Client Sample ID Collect Date Receive Date Matrix Test

R12110088-001 DC-3 11/06/12 10:34 11/07/12 Aqueous Metals by ICP/ICPMS, DissolvedAnion - Cation BalanceAnions by Ion ChromatographySolids, Total Dissolved

R12110088-002 713 11/06/12 11:05 11/07/12 Aqueous Metals by ICP/ICPMS, DissolvedAlkalinityAnion - Cation BalanceConductivityAnions by Ion ChromatographypHSolids, Total Dissolved

R12110088-003 714 11/06/12 13:45 11/07/12 Aqueous Same As Above



R12110088-006 BI-2 11/06/12 15:45 11/07/12 Aqueous Same As Above


This report was prepared by Energy Laboratories, Inc., 2821 Plant St., Rapid City, SD 57702. As appropriate, anyexceptions or problems with the analyses are noted in the Laboratory Analytical Report, the QA/QC SummaryReport, or the Case Narrative.

If you have any questions regarding these tests results, please call.

Report Approved By:

Digitally signed bycr-y)- Linda Larson

Branch Manager Date: 2012.11.13 16:09:00 -07:00

Page 1 of 16

Attachment ANovember 2012 A-2

F ýNE RGY o, "WqpAWBO AM fAI--~ afwxluHelena, Wr 377412-0711 e Billing, MT W!1-3-4475 a Casper, WY 1U1-2311-155

61-.ft W 06-0ll-7175 9 Rap City, SO .11-172-11225 . Co-"-e Station, TX O•40-6 2218

CLIENT: Powertech USA Inc

Project: #708 plus Alluvial

Sample Delivery Group: R12110088

Report Date: 11/13/12

CASE NARRATIVEPer Elizabeth Scheinost run cations, anions, balance and TDS on DC-3 11/7/2012 LLTests associated with analyst identified as ELI-CA were subcontracted to Energy Laboratories, 2393 Salt Creek Hwy.,Casper, WY, EPA Number WY00002 and WY00937.

Page 2 of 16November 2012 A-3 Attachment A

E NE kiWj wftiiw~ab~eI

1 f HelmsW o Mr 7-472-711 e BIllin, Mr NO-73|-440i a Cepw, WY W 23-215-ie ;g J GIflette, WY SU4W7175 * Rapid City, SO lU0-872-1225 - Colteg Station, TX 888-610-2218

LABORATORY ANALYTICAL REPORTPrepared by Rapid City, SD Branch

Client: Powertech USA Inc Report Date: 11/13/12

Project: #708 plus Alluvial Collection Date: 11/06/12 10:34

Lab ID: R12110088-001 Date Received: 11/07/12

Client Sample ID: DC-3 Matrix: AQUEOUS

MCL/Analyses Result Units Qual RIL QCL DF Method Analysis Date / By

PHYSICAL PARAMETERSSolids, Total Dissolved TDS @ 180 C

INORGANIC PARAMETERSChlorideFluorideSulfate

DATA QUALITY PARAMETERSAnionsCationsConductivity, CalculatedTDS RatioNC Balance

NUTRIENT PARAMETERSNitrogen, Nitrate as N

DISSOLVED METALS ANALYSESCalciumMagnesiumPotassiumSodium

11000 mgoL

1320 mgILND mg/L

6330 mg/L

40 1 A2540 C

D 50

0.1

D 50

50

150

169

157117001.07

-3.78

umhos/cm

1.00

1.001.00

0.0100

III

1I

E300.0E300.0E300.0

A1030OEA1030OE

A1030OE

A1030OE

A1030 E

E300.0

E200.7E200.7E200.7E200.7

11/09/12 16:48/jmh

11/08/12 03:59/jmh

11/08/12 04:17/jmh

11/08/12 03:59fjmh

11/13/12 00:00/1kl11/13/12 00:00/Ikl

11/13/12 00:00/kIk11/13/12 00:00/Ikl

11/13/12 00:00/Ikl

11/08/12 04:17fjmh

11/08/12 19:18/eli-ca"11/08/12 19:18/eli-ca11/08/1219:18/eli-ca

11/08/12 19:18/eli-ca"

1.7 mg/L 0.1

40470155

1780

mg/Lmg/Lmg/LmgtL

IIII

222

2

Report RL - Analyte reporting limit.Report RL - Analyte reporting limit.Definitios: QCL - Quality control limit.

D - RL increased due to sample matrix.

MCL - Maximum contaminant level.

ND - Not detected at the reporting limit.

Page 3 of 16


,mmuff AI~Bmdk, Am fM liftsg, Wr P74-71241 @ Bilim, W mP-1354481 s Cssper, WT WI23551 51GlsltgWYSS..S751 * Rapid City, So 1111-1172-1225 a Collaep Statio, TX 81111-11111-221111




Lab iD: R12110088-002 Date Received: 11/07/12

Client Sample ID: 713 Matrix: AQUEOUS

MCL/Analyses Result Units Qual RL QCL DF Method Analysis Date / By

PHYSICAL PARAMETERSConductivity @ 25 C

pHSolids, Total Dissolved TDS @ 180 C

Alkalinity, Total as CaCO3Carbonate as C03Bicarbonate as HCO3

INORGANIC PARAMETERSChlorideFluoride

Sulfate

DATA QUALITY PARAMETERSAnions

Cations

Conductivity, CalculatedTDS RatioA/C Balance



4190

7.18

4300

256ND

312

umhos/cm

sumg/Lmg/Lmg/L

mg/L

5.00.0140

55

5

111

111

A2510 B

A4500-H B

A2540 CA2320 B

A2320 BA2320 B

26 mg/L0.7 mg/L

2690 mg/L

I

0.1

D 50 50

E300.0E300.0E300.0

61.9

62.449101.07

0.420

meq/Lmeq/Lumhos/cm

1.00

1.00

1.000.0100

11

1

1

1

A1030 EA1030 E

A1030 EA1030 EA1030 E

11/08/12 09:33/tb

11/08/1210:08/tb

11/09/12 16:48[jmh11/09/12 15:51/ch11/09/12 15:51/ch

11/09/12 15:51/ch

11/08/12 04:53fjmh11/08/12 04:53fjmh11/08/12 04:35fjmh

11/13/12 00:00/kli

11/13/1200:00/lid

11/13/12 00:00/Ikl11/13/12 00:00/Ikl11/13/12 00:00/Iki

11/08/12 04:53/jmh

11/08/1219:22/eli-ca"11/08/12 19:22/eli-ca"11/08/12 19:22/eli-ca'

11/08/12 19:22/eli-ca"

ND mg/L 0.1

47227419

363

mg/Lmg/Lmg/L

mg/L.

111

1

222

2

E300.0

E200.7E200.7E200.7E200.7

Report RL - Analyte reporting limit.Report RL - Analyte reporting limit.Definitions: QCL - Quality control limit.


MCL - Maximum contaminant level.ND - Not detected at the reporting limit.

Page 4 of 16


- - m F-.m.Hallow WT 877472-8711 * 9liiiep, MrU$1111-M3-141111 e CwWpsrWT Ul-23MIS1

GWillmte. WY 0645 -IW 717 * Rapid City. SO 81"72-1225 * Colloge Station, TX 815S1-1111-22118







PHYSICAL PARAMETERSConductivity @ 25 CpHSolids, Total Dissolved TDS @ 180 CAlkalinity, Total as CaCO3Carbonate as C03Bicarbonate as HCO3


DATA QUALITY PARAMETERSAnionsCalionsConductivity, CalculatedTDS RatioA/C Balance



3800

7.133900230

ND

280

umhos/cm

sumg/Lmg/L

mg/Lmg/L

5.00.01405

5

5

11

1

11

1

22 mg/L

0.7 mg/L2500 mg/L

1

0.1D 50 50

A251 0 B

A4500-H BA2540 CA2320 B

A2320 B

A2320 B

E300.0

E300.0

E300.0

A1030 EA1030 EA1030 EA1030 EA1030 E

57.355.845501.04

-1.32

meq/LmeqA.-umhos/cm

1.001.001.00

0.0100

1

1

1

11/08/12 09:34/tb

11/08/12 10:10/tb11/09/12 16:49rjmh

11/09/12 15:58/ch

11/09/12 15:58/ch

11/09/12 15:58/ch

11/08/12 05:29/jmh

11/08/12 05:29fjmh11/08/12 05:11/jmh

11/13/12 00:00/1k]

11/13/12 00:00/lid

11/13/12 00:00/1k]11/13/12 00:00/Ikl

11/13/12 00:00/lk)

11/08/12 05:29/jmh

11/08/12 19:261eli-ca"11/08/12 19:26/eli-ca11/08/12 19:26/ell-ca

11/08/12 19:26/eli-ca"

0.3 mg/L 0.1 1 E300.0

491232

13275

mg/Lmg/L

mg/Lmg/L

11

2222

E200.7

E200.7

E200.7

E200.7

Report RL - Analyte reporting limit.DefMitions: OCL - Quality control limit.


MCL - Maxdmum contaminant level.ND - Not detected at the reporting limit.

Page 5 of 16


== =GY f Wine, MT 11141241711 - Billinis, Ur NU-735-4481 a Casper, WY WU235-015~ J Giiitti6WYN80 -1111-175 a Ropid City, so SI88172-1225 a Coilege Station, TXIU-61D-2210






MCLIAnalyses Result Units Qual RL QCL DF Method Analysis Date / By

PHYSICAL PARAMETERSConductivity @ 25 CpH

Solids, Total Dissolved TDS @ 180 CAlkalinity, Total as CaCO3Carbonate as C03Bicarbonate as HCO3


DATA QUALITY PARAMETERSAnionsCationsConductivity, CalculatedTDS RatioA/C Balance

NUTRIENT PARAM ETERSNitrogen, Nitrate as N


3740

7.17"3900

232ND

283

umhos/cm

sumg/Lmg/L

mg/L

mg/L

5.00.01

40

55

5

11

1

1

11

A2510 B

A4500-H BA2540 C

A2320 B

A2320 B

A2320 B

22 mg/L

0.6 mg/L2420 mg/L

1

0.1D 50 50

E300.0E300.0E300.0

55.7

56.2

45001.07

0.470

meq/L

umhos/cm

1.001.00

1.00

0.0100

11

1

1

1

A1030OE

Al 030 E

Al 030 E

A1030 E

A1030 E

11/08/12 09:36/tb11/08/12 10:12/tb11/09/12 16:49fjmh

11/09/12 16:01/ch

11/09/12 16:01/ch11/09/12 16:01/ch

11/08/12 06:05fmh11/08/12 06:05fjmh11/08/12 05:47fjmh

11/13/12 00:O0/lkl11/13/12 00:00/IkI

11/13/12 00:0/lkI11/13/12 00:0/Ikl11/13/12 00:O0/Ikl

11/08/12 06:05/jmh

11/08/12 19:43/eli-ca11/08/12 19:43/eli-ca11/08/12 19:43/eli-ca"

11/08/12 19:43/eli-ca"

ND mg/L 0.1

50821613

294

mg/Lmg/Lmg/L

mg/L

1111

222

2

E300.0

E200.7E200.7E200.7E200.7

Report RL - Analyte reporting limit.Report RL - Analyte reporting limit.Definitions: QCL - Quality control limit.



Page 6 of 16


M -"- f Nelue. Ur 31774124111 0 silop, WT m-2-M4U1 * Caspa. W1 MS235-11111IW$his, WY US4NW7175 a Rapid Clty, SD 11111 72-122 - Cdbp station, X 011-11111-2210







PHYSICAL PARAMETERSConductivity @ 25 CpHSolids, Total Dissolved TDS @ 180 CAlkalinity, Total as CaC03Carbonate as C03Bicarbonate as HCO3



CationsConductivity, CalculatedTDS Ratio

A/C Balance


DISSOLVED METALS ANALYSESCalciumMagnesiumPotassium

Sodium

3450

7.253500226ND

275

umhos/cm

sumg/Lmg/Lmg/Lmg/L

5.0

0.01

20

55

5

11

1

A2510 B

A4500-H BA2540 C

A2320 BA2320 B

A2320 B

24 mg/-

0.7 mgr.L2150 mg4_

I

0.1D 50 50

E300.0

E300.0

E300.0

A1030 EA1030 EA1030 EA1030 EA1030 E

50.049.1

40701.09

-0.870

moeq/I

meq/I.umhos/cm

1.001.00

1.000.0100

11

11

1

11/08/12 09:38/tb

11/08/12 10:13/tb11/09/12 16:50fjmh11/09/12 16:05/ch11/09/12 16:05/ch

11/09/12 16:05/ch

11/08/12 07:52.fjmh

11/08/12 07:52rjmh11/08/12 06:58/jmh

11/13/12 00:00/ikl11/13/12 00:00/Ikl11/13/12 00:00/Ikl11/13/12 00:00/Ik]11/13/12 00:00/lkl

11/08/12 07:52[jmh

11/08/12 19:47/eli-ca:

11/08/12 19:47/eli-ca11/08/12 19:47/eli-ca"11/08/12 19:47/eli-ca"

ND mg/L 0.1 1 E300.0

49715412

260

mg/Lmg/Lmg/L

mg/I.

III

I

2222

E200.7E200.7E200.7E200.7

Report RI. - Anaiyte reporting limit.Report RL - Anallyte reporting limit.Definitio-: QCL - Quality control limit.




Page 7 of 16


ENEGY f ==ii, SHuleYa, Rp C71-412 y711 SO 11111111 1 104172 -44N 1 CSatie, WY 08.-1-225- 11~i tl ; Glfltta, WY N-U6-0-7175 • Rapid Clt, SD 808-672-1225 • Collag Station, TX 838-600-2211

LABORATORY ANALYTICAL REPORT

Prepared by Rapid City, SD Branch




Client Sample ID: BI-2 Matrix: AQUEOUS


PHYSICAL PARAMETERS,Conductivity @ 25 CpHSolids, Total Dissolved TDS @ 180 CAlkalinity, Total as CaCO3Carbonate as C03Bicarbonate as HCO3



CationsConductivity, CalculatedTDS RatioA/C Balance



38007.26

3900234

ND285

umhos/cm

sumg/Lmg/Lmg/Lmg/L

5.0

0.0140

5

55

111

1

1

1

21 mg/L0.8 mg/L

2460 mg/L

1

0.1D 50 50

A2510 BA4500-H BA2540 C

A2320 BA2320 B

A2320 B

E300.0E300.0E300.0

A1030 E

A1030 E

A1030 EA1030 E

A1030 E

56.5

55.64510

1.07-0.790

morqflmeq./t.umhos/cm

1.00

1.00

1.00

0.0100

II

I

I

I

11/08/12 09:39/tb

11/08/12 10:15/tb11/09/12 16:51fjmh

11/09/12 16:09/ch

11/09/12 16:09/ch11/09/12 16:09/ch

11/08/12 08:28/jmh11/08/12 08:28[jmh

11/08/12 08:10/]mh

11/13/12 00:00/kI

11/13/12 00:00/Ik]

11/13/12 00:00/IkI11/13/12 00:00/kl

11/1 3/12 00:00/Nk

11/08/12 08:28/]mh

11/08/12 19:51/eli-ca"


0.3 mg/L 0.1 1 E300.0

48124613

255

mg1L

mg/L

mg/L

mg1L

II

11

22

22

E200.7E200.7E200.7

E200.7

Report RL - Analyte reporting limit.Definitions: QCL - Quality control limit.




Page 8 of 16


I ENERGYJwr~Db0 News, 91, 57-472-0711i

, ma=a I= f 1111bf WY 111111161111-71 75 a Rapid ClBillingp, MT -735-44061 Caspat, WY 666-235-515

It, So 111"72-1225 & Collop Station, TX 81-10-2216









DATA QUALITY PARAMETERSAnionsCationsConductivity, CalculatedTDS RatioA/C Balance



3270

7.293300218

ND

266

umhos/cm

sumg/Lmg/L

mg/I.mg/L

5.0

0.0120

55

5

1

21 mg/L

0.6 mg/L2010 mg/L

1

0.1D 50 50

A251 0 B

A4500-H BA2540 CA2320 B

A2320 B

A2320 B

E300.0

E300.0E300.0

A1030 EA1030 EA1030 EA1030 EA1030 E

46.8

45.8

38401.10

-1.11

meq/L

meq/L

umhos/cm

1.00

1.00

1.00

0.0100

1111

1

11/08/12 09:42/tb

11/08/12 10:17/tb11/09/12 16:51/jmh11/09/12 16:12/ch

11/09/12 16:12/ch

11/09/12 16:12/ch

11/08/12 09:04/imh

11/08/12 09:04rjmh11/08/12 08:46fjmh

11/13/12 00:00/lIk

11/13/12 00:00/kl

11/13/12 00:00/kl11/13/12 00:00/Ikl

11/13/12 00:00/1id

11/08/12 09:04/jmh

11/08/12 19:55/eli-ca11/08/12 19:55/eli-ca"

11/08/12 19:55/eli-ca"

11/08/12 19:55/eli-ca"

0.4 mg/L 0.1 1 E300.0

50715811

166

mg/Lmg/Lmg/L

mg/L

111

1

222

2

E200.7

E200.7

E200.7E2D0.7

Report RL - Analyte reporting limit.Defladtio: QOCL - Quality control limit.


MCL -Maximum contaminant level.ND - Not detected at the reporting limit.

Page 9 of 16


I ý WE . 10z fW~iblHelm, Mr 177-4724711 - Billina, MT lO3-73-4411 e Cape, WY 113-2351-111lillMf, WV IH1S-II-7175 0 Rapid City, So 111-172-112M * Collge Station, 118114104l-221i3

QA/OC Summary ReportPrepared by Rapid City, SD Branch


Project: #708 plus Alluvial Work Order: R12110088

Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLImit Qual

Method: A2320 B

Sample ID: LCS1_121109A

Alkalinity, Total as CaCO3

Sample ID: MBLK1_121109A


Laboratory Control Sample952 mg/L

Batch: 121109A-ALK-SEL-W

Run: PHCOND1-R_121109A 11/09/12 15:32

5.0 95 90 110

Method Blank

ND mg/L 2

Run: PH_COND1-R_121109A

Run: PHCOND1-R_121109A

11/09/12 15:36

Sample ID: R12110069-OO1ADUP 3 Sample Duplicate

Alkalinity, Total as CaCO3 298 mg/L

Carbonate as C03 ND mg/LBicarbonate as HCO3 363 mg/L

5.05.05.0

11/09/12 15:492.6 10

10

2.6 10

Sample ID: R12110088-002AMS


Sample Matrix Spike

370 mg/LRun: PHCOND1-R_121109A

5.0 94 80 12011/09/12 15:54

Qualifiers:RL - Analyte reporting limit. ND - Not detected at the reporting limit.

Page 10 of 16


IaFee IihsuMT774724711 0 BIl~lnpm 117NU-7354480 a CupK. WY 8U-235-3511

S)Girmft WY IMU-7175 e Rapid iCty, So N9472-1225 e colimep tatn, TX I-140111-22118

QA/QC Summary ReportPrepared by Rapid City, SD Branch



Analyte Count Result Units RL %OREC Low Limit High Limit RPD RPDUmit Qual

Method: A2510 B

Sample ID: MBLK-1_121108

Conductivity@ 25 C

Sample ID: R12110084-003ADUP

Conductivty @ 25 C

Batch: 121108_1_COND-PROBE-W

Run: PHCOND2-R_121108A 11/08/12 09:25Method Blank

ND umhos/cm

Sample Duplicate910 umhos/cm

5

Run: PHCOND2-R_121108A 11/08/12 09:290.1 105.0


Page 11 of 16


- zrz~w~ft,=,Halus, UT 677-472-0711 e Hh1llni W NI-735-4481 e Caspr, WY M3235-3515GIIaftmWY N64I-7175 * Rapid City, SD 58372-1225 * Coilep station, TX ON11-65-2213




Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLImIt Qual

Method: A2540 C

Sample ID: MB.-_121109A

Solids, Total Dissolved TDS @ 180 C

Sample ID: LCS-2_121109A


Sample ID: R12110086-002A MS


Batch: TDS121109A

11/09/12 16:36Method Blank

ND mg/L

Laboratory Control Sample

510 mg/L

Sample Matrix Spike

790 mg/L

Run: BAL-TDS_121109A

3

Run: BAL-TDS_121109A10 103 90 110


10 101 90 110

11/09/1216:37

11/09/1216:40

Qualifiers:RL - Anaiyte reporting limit. ND -Not detected at the reporting limit.

Page 12 of 16


I wwwmw~b,Hoke.@, W 111472-Il111 * Billings, Mr 311-7354481 * Casper, WYIW1235-Nil5

GfifstsWY 81-NI-7175 e Rapid City, So 11111-1172-11225 e Cclaw station, Tx 888418-2218




ialyte Count Result Units RI VREC Low Limit High Limit RPD RPDLImIt Oual

Method: A4500-H B Analytical Run: PHCOND2-R_121108BSample ID: ICV-1_121108 Initial Calibration Verification Standard 11/08/12 10:02pH 7.46 su 0.010 101 98 102

Method: A4500-H B


pHSample Duplicate

6.92

Run: PHCOND2-R_121108B

Batch: 121108_1_PH-W

11/08/12 10:07

0.3 3su 0.010

Qualifiers:RL -Analyte reporting limit. ND - Not detected at the reporting limit.

Page 13 of 16

Attachment ANovember 2012 A- 14

•• "mwwou mn f RHela., MTr 877472-0711 * Bilnlpm Air 8-735-448 a Casper, WYf 1.235-1I.... llesb t, WYGS-N* -717 * Rapid City, SD l811-172-1225 * CailaeStata, X $X11-6110-2211


Client: Powertech USA Inc



Work Order: R12110088

Anslyte Count Result Units RL %AREC Low Limit High Limit RPD RPDLImIt Qual

Method: E200.7 Analytical Run: SUB-C166967

Sample ID: ICV 4 Initial Calibration Verification Standard 11/08/12 14:11

Calcium 50 mg/L 0.50 99 95 105Magnesium 52 mg/L 0.50 103 956 105Potassium 47 mg/L 0.50 95 95 105Sodium 53 mg/L 0.50 105 95 105

Sample ID: ICSA 4 Interference Check Sample A 11/08/12 14:40

Calcium 490 mg/L 0.50 99 80 120Magnesium 530 mg/L 0.50 107 80 120Potassium -0.0072 mg/L 0.50

Sodium 0.033 mg/L 0.50

Sample ID: ICSAB 4 Interference Check Sample AB 11/08/12 14:44

Calcium 500 mg/L 0.50 99 80 120Magnesium 520 mg/L 0.50 104 80 120

Potassium -0.0062 mg/L 0.50Sodium 0.028 mgfL 0.50

Method: E200.7 Batch: CR166967

Sample ID: MB-121108A 4 Method Blank Run: SUB-C166967 11/08/12 15:08

Calcium ND mg/L 0.06Magnesium ND mg/L 0.03Potassium ND mg/L 0.06Sodium ND mg/L 0.3

Sample ID: LFB-121108A 4 Laboratory Fortified Blank Run: SUB-C166967 11/08/12 15:12

Calcium 48 mg/L 0.50 97 85 115Magnesium 50 mg/L 0.50 100 85 115Potassium 46 mg/L 0.50 92 85 115Sodium 49 mg/L 0.50 99 85 115

Sample ID: C12110105-011BMS2 4 Sample Matrix Spike Run: SUB-C166967 11/08/12 19:02

Calcium 134 mg/L 1.0 84 70 130Magnesium 81.4 mg/L 1.0 98 70 130Potassium 50.3 mg/L 1.0 92 70 130

Sodium 100 mg/L 1.0 99 70 130

Sample ID: C12110105-011BMSD2 4 Sample Matrix Spike Duplicate Run: SUB-C166967 11/08/12 19:06

Calcium 135 mg/L 1.0 86 70 130 0.8 20Magnesium 81.0 mg/L 1.0 97 70 130 0.5 20Potassium 51.5 mg/L 1.0 94 70 130 2.3 20Sodium 101 mg/L 1.0 100 70 130 0.8 20


Page 14 of 16


-I NRYWWXWjn~ cor. 1 Iix lm

f

OfHt@a. Wr 3"/7247111 * 8Ulioni MT U11-13-4411 1 111a co WY YI-235-0515e ) 9lbif, WY 11111-11-7175 * Rapid City, SO 808-172-1225 * Clage Stallo, TX 1a8-610-22118






Analyte Count Result Units RI /REC Low Limit High Limit RPD RPDLimIt Oust

Method: E300.O Analytical Run: DIONEX_121107A

Sample ID: CCV110712-28 4 Continuing Calibration Verification Standard 11/08/12 02:12Chloride 71.7 mg/IL 1.0 96 90 110Fluoride 7.29 mg/L 0.10 97 90 110Nitrogen, Nitrate as N 7.16 mg/L 0.10 96 90 110Sulfate 71.2 mg/L 1.0 95 90 110

Sample ID: CCV110712-41 4 Continuing Calibration Verification Standard 11/08/12 06:23

Chloride 71.9 mg/L 1.0 96 90 110Fluoride 7.31 mg/L 0.10 97 90 110Nitrogen, Nitrate as N 7.17 mg/L 0.10 96 90 110Sulfate 71.4 mg/L 1.0 95 90 110

Method: E300.O Batch: R58791

Sample ID: LFB110712-14 4 Laboratory Fortified Blank Run: DIONEX_121107A 11/07/12 22:19

Chloride 38.4 mg/L 1.0 96 90 110Fluorde 3.98 mg/L 0.10 100 90. 110Nitrogen, Nitrate as N 3.93 mg/L 0.10 98 90 110

Sulfate 38.9 mg/L 1.0 97 90 110

Sample ID: R12110087-OO1AMS 4 Sample Matrix Spike Run: DIONEX_121107A 11/08/12 03:05Chloride 2070 mg/L 50 93 90 110Fluoride 205 mg/L 5.0 99 90 110Nitrogen, Nitrate as N 208 mg/L 5.0 96 90 110Sulfate 6480 mg/L 50 119 90 110 5

Sample ID: R12110087-OO1AMSD 4 Sample Matrix Spike Duplicate Run: DIONEX_121107A 11/08/12 03:23Chloride 2070 mg/L 50 93 90 110 0.2 10Fluoride 205 mg/L 5.0 99 90 110 0.1 10Nitrogen, Nitrate as N 208 mg/L 5.0 96 90 110 0.1 10Sulfate 6480 mg/L 50 119 90 110 0.1 10 S

Sample 1D: R12110088-005AMS 4 Sample Matrix Spike Run: DIONEX_121107A I1108/1207:16

Chloride 2010 mg/L 50 92 90 110Fluoride 206 mg/L 5.0 100 90 110Nitrogen, Nitrate as N 202 mg/L 5.0 101 90 110Sulfate 4170 mg/L 50 101 90 110

Sample ID: R12110088-005AMSD 4 Sample Matrix Spike Duplicate Run: DIONEX_121107A 11/08/12 07:34Chloride 2010 mg/L 50 92 90 110 0.1 10Fluoride 206 mgoL 5.0 100 90 110 0.3 10Nitrogen, Nitrate as N 202 mg/L 5.0 101 90 110 0.0 10Sulfate 4170 mg/L 50 101 90 110 0.1 10

Qualifiers:RL - Analyte reporting limit.

S - Spike recovery outside of advisory limits.ND - Not detected at the reporting limit.

Page 15 of 16


* - Chain of Custody and Analytical Request RecordPLEASE PRINT tProvide as much information as oossible.1

Page ofL O

z0

(D

C

Company Name: Pj Sampl••Permit, Etc. Sample Origin EPA/State Compliance:

(ý ,Vp W+.4 4 a //ItiQ state. YesfD NoO0Report Mail AKdress: Contact Name: Phone/Fax: Email: Sampler: (Please Print)

Invoice Addr s: Invoice Contact & Phone. Purchase Order: Quote/Bottle Order:

Special Report/Formats: ___f M Contact ELI prior to-RUSH sample submittal

for charges and Cooler c o():

0 . R scheduling-SeeDW EDD/EDT(Electrownc Data) L b Instruction Page0 DW ED/DTEetrn aa RecelptTemnp,9U: •! r"-o U Comments:Reipap______0 01SPOTWa WTP ForUmat: U<omments: ._._ _ C

r_ _ state: LEVEL IV , O-F) Other: _ _ NELAC C- Nody,=:

;Rv_> ind wJI S CusodySeat

E >IJ on Bottle Y N

" co OnH Coo Y N___ ___ ___ __ __inbtact Y N

SAMPLE IDENTIFICATION Collection Collection MATRIX Signature Y N

(Name, Location, Interval. etc.) Date Time IMatch

3 713 1Li•.u '" ,,__,4 7______//-)_ .____ '. I

"I_

Heco ra "N by•~h ,(.,) oa•me: 'aee by ,. , (pri): oue:

MUST be BMWo

In certain circumstances, samples submitted to Energy Laboratories, Inc. may be subcontracted to other certified laboratories in order to complete the analysis requested.This serves as notice of this possibility. All sub-contract data will be clearly notated on your analytical report.

6_ _ _ _ _ __ _ _ _ _ 1 .. . .-- 1 ---- 1-1 - - - -4G

a)

CD"0

WWU~flU'fli~N.UU Helm 8V77-472471 111ing Bhflo MT O7344K * Caspe. WY MU235-1515ow"i l -WY 1H11-W71711 a Rapid City, So 111-172-122 1 coUepstation, iX iU-10-2218


August 08, 2012

Powertech USA Inc


Workorder No.: R12070404 Quote ID: R412 - #708 Alluvial

Project Name: #708 Alluvial/Dewey Burdoch

Energy Laboratories Inc. Rapid City SD received the following 1 sample for Powertech USA Inc on 7/24/2012 for analysis.


R12070404-001 708 07/23/12 15:13 07/24/12 Aqueous Metals by ICP/ICPMS, DissolvedAlkalinityConductivityAnions by Ion ChromatographypHDissolved FiltrationSolids, Total Dissolved



Report Approved By:

Digitally signed by9 1 A .a Linda Larson

Date: 2012.08.08 17:33:21 -06:00Branch Manager

Page 1 of 10Attachment ANovember 2012 A-18

ýEMRG w"MAgi8antaAM IM

Illeba, Wr 8714724711 a Billing& W 111111-M441111 e Caspa, WY M2118-22 515cilif wy 1664.W175il * Rooid Chi. SD 1111472-11M5 a Collmg Stsfti. IX 883410-2218


Project: #708 Alluvial/Dewey Burdoch



CASE NARRATIVE

Tests associated with analyst identified as ELI-CA were subcontracted to Energy Laboratories, 2393 Salt Creek Hwy.,Casper, WY, EPA Number WY00002 and WY00937.

Page 2 of 10Attachment ANovember 2012 A- 19

I ENER ffiftA*V b.. AW f Hele, W]'077-472-07111 a 6111tinp, MT 8 -735 -44N e casp ",WY 1111-235411115,--. GI~li, WY U -01717 * Rapid City, So 14-72-1225 a College Station, X 118--2218


Prepared by Rapid City, SD Branch


Project: #708 Alluvial/Dewey Burdoch Collection Date: 07/23/12 15:13





INORGANIC PARAMETERSChlorideSulfate

DISSOLVED METALS ANALYSESCalciumMagnesiumSodium

5920

7.22

6200288

ND351

umhos/cm

sumg/Lmg/L

mg/Lmg/L

5.0

0.0110

55

5

11

1

1

1

1

A251 0 B

A4500-H BA2540 CA2320 B

A2320 BA2320 B

08/02/12 08:24/tb07/24/12 17:11/tb07/27/12 15:39/jmh07/25/12 15:32/ch

07/25/12 15:32/ch

07/25/12 15:32/ch

07/25/12 00:17[jmh

07/27/12 09:13/lb

07/27/12 13:24/eli-ca"07/27/12 13:24/eli-ca"07/27/12 13:24/eli-ca7

42 mg/L

4360 mg/L5

D 50150

E300.0E300.0

E200.7E200.7E200.7

440476620

mg/L

mg/L

mg/L

11

1

5

5

5

Report RL - Analyte reporting limit.Derfitiom: QCL - Quality control limit.


MCL - Maximum contaminant level.ND -Not detected at the reporting limit.


I wwons1bci DOAm a- IM

Hausu, rM43742-I11l1 * BiliIng% Ur OI-735-4481 a Casper, WYIN-2354515I(iitaWWYON4-111-75 * Rapid City, SO N0472-IM2 e CosgepStationi, 1X8S3410-2213



Project: #708 Alluvial/Dewey Burdoch Work Order: R12070404

Analyte Count Result Units RL %REC Low Limit High Limit RPO RPDLImit Oual

Method: A2320 B





Bicarbonate as HCO3

Carbonate as C03




940 mg/L

3 Method Blank


Run: PH-COND1-R1 20725A 07/25/12 13:48

5.0 94 90 110

Run: PHCOND1-R_120725A 07/25/12 13:48

4

5

mg/Lmg/Lmg/L

2

Sample Matrix Spike


5.0 99 80 12007/25/12 15:20


Page 4 of 10


I wwwmeob~co

f I Hale., Mr S114724111 * BillIngs, Mr NS-735-4481 u Casper, WY NI-flU-SIll*11%, ufr 117.4"72-117111 0 Billings, ull $-1-M44"1 - Casper, WY U111-111-1515Gl1t WY 861-111-111115 Rapid Cty, SO 111-72-11225 • ColleP Statio, TX 11481-2211






Analyte

Method: A2510 B


Conductivity(@ 25 C

Count Result Units RL AREC Low Limit High Limit RPD RPDLimit Qual



ND umhos/cm


5

Sample ID: R12070404-OO1ADUPConductivity@ 25 C

Run: PH_COND2-R_120802A 08/02/12 08:250.0 105.0



-E U- ~ jr Helim, 91`877-472-471111. Illllnp. MT m0-735-4141111 e CaspewWY IU235-U1I1Gilileb, WY111U111411111-7171 0 RapitICiti. SO 1111111-1172-112M 0 Colisep Station, TX111111410.12211 I




Ana,•ye Count Resuit Units R. ¶REC Low Lumit High Limit RPD RPDmIt Oual

Method: A2540 C

Sample ID: MB-1_120727A






Method BlankND mg/L


200 mg/L

Sample Matrix Spike14000 mg/L


Batch: TDS1 20727A

07/27/12 15:35

07/27/1215:36

3


10 102 90 110


10 106 90 11007/27/12 15:38



~.. ~ ,m f Heins, MrF 3774124711 * Billings, MTF iU-3154M8 a Casper WY WS235-NISGIltaW YI4I17 V Rapid City, S0 SI8-172-1225 e Collgs Stationt, Tx N"11111122118






Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit QualMethod: A4500-H B

Sample ID: ICV-1_120724

pH

Initial Calibration Verification Standard

7.44 su 0.

Analytical Run: PHCOND2-R_120724A

07/24/12 15:04

010 100 98 102


Page 7 of 10


I L=am I

f

Helms, MT 1774724711 a RilIInaSkWMIN-75-4480 9 Casper, WY 111111-235-f151I ilb Y4-15* Rapid CftySDN111111-112-11M e CaiisepStuttian,81X-111111122118




Analyte Count Result Units RL %FREC Low Limit High Limit RPD RPDLmilt Qual



Calcium 51 mg/L 0.50 103 95 105

Magnesium 49 mg/L 0.50 99 95 105

Sodium 51 mg/L 0.50 102 95 105

Sample ID: ICSA 3 Interference Check Sample A 07/27/12 12:11

Calcium 460 mg/L 0.50 93 80 120Magnesium 500 mg/L 0.50 101 80 120



Calcium 470 mg/L 0.50 93 80 120

Magnesium 500 mg/L 0.50 101 80 120


Method: E200.7 Batch: C_R162484


Calcium ND mg/L 0.02

Magnesium 0.01 mg/L 0.01

Sodium ND mg/L 0.2

Sample ID: LFB-120727A 3 Laboratory Fortified Blank Run: SUB-C162484 07/27/12 12:41

Calcium 52 mg/L 0.50 104 85 115

Magnesium 48 mg/L 0.50 96 85 115

Sodium 49 mg/L 0.50 97 85 115

Sample ID: C12070943-001BMS2 3 Sample Matrix Spike Run: SUB-Cl 62484 07/27/1213:36

Calcium 80.4 mg/L 1.0 104 70 130

Magnesium 53.4 mg/L 1.0 97 70 130

Sodium 77.1 mg/L 1.0 100 70 130

Sample ID: C12070943-001BMSD2 3 Sample Matrix Spike Duplicate Run: SUB-C162484 07/27/12 13:40

Calcium 80.5 mg/L 1.0 104 70 130 0.2 20

Magnesium 53.5 mg/L 1.0 97 70 130 0.1 20

Sodium 77.7 mg/L 1.0 101 70 130 0.8 20



wwuiria•a Helma, W 1774724711 a Billings, Mr MI-735-4481 a Casper, WY 8-235•515Anil" 1. m GIlet WY U11-M7175 0 Rapid City, SO 111-1472-1221 w Colle StatiM, T11( 3-40-2211S




Analyte Count Result Units RI hREC Low Limit High Limit RPD RPDLimlt Qual

Method: E300.0 Batch: R57307Sample ID: LFB072412-14 Laboratory Fortified Blank Run: DIONEX_120724A 07/24/12 22:11Chloride 38.3 mg/L 1.0 96 90 110

Sample ID: R12070404-001AMS Sample Matrix Spike Run: DIONEX_120724A 07/25/12 00:35Chloride 84.0 mg/L 1.0 105 90 110

Sample ID: R12070404-001AMSD Sample Matrix Spike Duplicate Run: DIONEX_120724A 07/25/12 00:52Chloride 84.3 mg/L 1.0 106 90 110 0.3 10

Method: E300.O Analytical Run: DIONEX_120726ASample ID: CCV072612-42 Continuing Calibration Verification Standard 07/27/12 06:32Sulfate 77.3 mg/L 1.0 103 90 110

Method: E300.0 Batch: R57379

Sample ID: LFB072612-14 Laboratory Fortified Blank Run: DIONEX_120726A 07/26/12 22:28Sulfate 39.8 mg/L 1.0 100 90 110

Sample ID: R12070405-005AMS Sample Matrix Spike Run: DIONEX_120726A 07/27/12 11:36Sulfate 4360 mg/L 50 111 90 110 S

Sample ID: R12070405-005sAMSD Sample Matrix Spike Duplicate Run: DIONEX_120726A 07/27/12 11:54Sulfate 4380 mg/L 50 112 90 110 0.7 10 S

Qualifiers:RL - Analyte reporting limit.S - Spike recovery outside of advisory limits.



Chain of Custody and Analytical Request RecordOf WAQ DRIMT Iva.IAý m. ln~ 1-~ 01%1 ~t Ia

Page _ of

CD0

CD

rs S r.... S 5 5 • 1 I Crl***S ** Ill S~l .III .ll ... l Ui e •.l

Company Name: Project Name, PWS, Permit, Etc. Sample Origin EPA/State Compliance:

Repor Xai 1de . , 4t V-- fl j onac Nm Pho Ine/Fax: Email: Sampler: (Please Print)

Invoice Address: Invoice Contact& Phone: Purchase Order: Quote/Bottle Order:

Special Report/Formats: / M MU [ [ (W [O [•m 0 o Contact ELI prior tio Shipped byr.

- RUSH sample submiittalL4 C e• for charges and cooler ID(s):

Ir: R scheduling - See

Ej DW C EDD/EDT(ElectronicData) Cm R7,e' " Instructon RnPagep

POTW/WWTP Format: 1 < ,lr h U Comments:U

ElState: Q_ LEVEL IV .4 Cnlc-" ? C

[ O th e r: __ N E LA C 10 ,

E 1W -2 S Custody SeatE W on Bonfe YN

OrOcoolg Y N

SAPL IDNIICTOn c4W Y

SAMPLE IDENTIFICATION Collection Collection MATRIX intact Y N

(Name, Location, Interval, etc.) Date Time MATRIX Match

MUST be .•,_ --- --- --- ----aP_,. - - ,- - '___

In certain circumstances, samples submitted to Energy Laboratories, Inc. may be subcontracted to other certified laboratories in order to complete the analysis requested.This serves as notice of this possibility. All sub-contract data wilt be clearly notated on your analytical report.

._ .. f4tj. nnma~ntunnral a to~~ nm niInc

>1

0"0

(D 0

Vl'~ I J WWDAM.2 f Helum, Ur 877472-111 e iiNm Ur 1111111-M4011 e Caspa, WY 8*235-El5AWima k=S 011.1km, WY Ui4--715 Raid C4t, SO R H0.$SU-I72-122i a colqe station,1X 8U1-614-2211


September 05, 2012

Powertech USA Inc



Project Name: #708 Alluvial






Report Approved By:

Digitally signed by-uo e.F Linda LarsonDate: 2012.09.06 11:14:56 -06:00

Branch Manager

Page 1 of 10


I ENERG A"~dW21WIbime, W 17714724711 * Billing, Mr W-135-44M * Caspw, WY WU-2354515

Gi.it.. WY NU4IU7175 0 Rapid City, SD 11..111-12-11225 & C"ie. stati-,. TX• NU1- 2218


Project: #708 Alluvial



CASE NARRATIVE



I ENEGYý -* E= -

f. J Ihi.s, ur 1774724711 a Bhillngs Mr W-735-44 e Casper, WT $W-23545151OWN tn GileftWY 81111-W7175 - Rapid City, SO 8184712-1225 e College Station, TX $040U-2211


Client: Powertech USA Inc Report Date: 09/05/12Project: #708 Alluvial Collection Date: 08/20/12 14:25





INORGANIC PARAMETERSChlorideSulfate

DISSOLVED METALS ANALYSESCalciumMagnesiumSodium

6300

7.296300298

ND

363

umhos/cm

sumg/L

mg/Lmg/Lmg/L

5.00.01100

5

5

5

1111

1

1

A2510 B 08/21/12 17:39/tb

A4500-H B 08/21/12 18:16/tb

44 mgL4260 mg1L

1

D 50

150

A2540 C

A2320 BA2320 B

A2320 B

E300.0E300.0

E200.7

E200.7E200.7

08/27/12 12:33/lb08/24/12 14:26/ch08/24/12 14:26/ch

08/24/12 14:26/ch

08/22/12 04:53/lb08/22/12 05:11/lb

08/23/12 18:03/eli-ca"08/23/12 18:03/eli-ca

08/23/12 18:03/eli-ca

414

530713

mg/Lmg/Lmg/L

I1

1

11

1

Report RL - Anal)4e reporting limiLReport RL - Analyte reporting limit.Defrniti0o: QOCL - Quality control limit.





Iimam f.m 5 Hlinao, Mrf 877-472-811 e BiliqaM MrU-735-4410 a Casper, WY WU235-95156111mb. WY I8SM 71715 - Rapid city, so 88S472-1225 * Collage sttiton, Tx 881-110-2218






Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit QualMethod: A2320 B

Sample ID: LCSlBatchld


Sample ID: MBLK1_Batchid





936 mg/L

Method BlankND mg/L

Sample Matrix Spike

414 mg/L


Run: PHCONDI-R_120824A 08/24/1211:13

5.0 94 90 110


2


5.0 103 80 120

08/24/12 11:17

08/24/12 13:59



~. ~f

I Heles, iT 57/4724711 9 Billings, W Nli-T-344N a Ca r, WY 5I-231-l15J Gllette, WY IS5-GU -1171 a Rapid City, SD iiil5-512-1225 0 Collee Station, TX 811-610-2215



Project: #708 Alluvial Work Order: R12080363

Analyte Count Result Units RL 0/c:EC Low Limit High Limit RPD RPDUmit Qual

Method: A2510 B


ConductMty @ 25 C



ND umhos/cm 5



I ww.x4sbx~ Hesmg, M" 8774724711 a Billing, r -735-4419 a Casper. W1 835-225-IlIGlaeU WY 8U4l-W7175 0 Rapid City. SO 88f-172-122I 0 cole Station, (83114190-22111

QA/QC Summary

Report

Prepared

by Rapid

City,

SD Branch

QAIQC Summary ReportPrepared by Rapid City, SD Branch





I Analyte Count Result Units RL /REC Low Limit High Limit RPD RPDLImIt Oual i

Method: A2540 C

Sample ID: M8-1120827A





Soids, Total Dissolved TOS @ 180 C

Batch: TDS1 20827A


10 mg/L




3


20 108 90 110

Run: BAL-TDS_120827A40 101 90 110

08/27/12 12:30

08/27/12 12:32



I V -u-rtsenoAwI -- IM fW

r

Ihisua, Wr 5774724711 0 *11 Bilip 11111113-4141111 * cowpe, WY WU235-1515GIfleta WY 11111-W7175 a Rapid CitY, SO 11S18172-11M5 0 Coiiqe Station, TX 180415-2218





Method: A4500-H B Analytical Run: PH_COND2-R_120821 B

Sample ID: ICV-1_120821 Initial Calibration Verification Standard 08/21/12 17:57

pH 7.42 su 0.010 100 98 102

Method: A4500-H B


pH

Sample Duplicate

7.15

Run: PHCOND2-R_120821B


08/21/12 18:03

0.3 3su 0.010

Qualifiers:RL -Analyte reporting limit. ND -Not detected at the reporting limit.


-I A" Isf

elowas Ur W7-412-0111 ellhp 6 u1rtm MT - 44N e Casw.WYSU-235-Ih5~~ J ~ Gillbftt WY 80-M-71715 & Rapid CitY, so 811-612-1225 9 College Sutton, aX 851-18-2218




Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDUmit Qual

Method: E200.7 Analytical Run: SUB-C163707Sample ID: ICV 3 Initial Calibration Verification Standard 08/23/12 15:34Calcium 51 mg/L 0.50 102 95 105Magnesium 51 mg/L 0.50 102 95 105Sodium 52 mg/L 0.50 104 95 105

Sample ID: ICSA 3 Interference Check Sample A 08/23/12 15:48Calcium 460 mg/L 0.50 92 80 120Magnesium 510 mg/L 0.50 102 80 120Sodium 0.35 mg/L 0.50


Calcium 460 mg/L 0.50 92 80 120Magnesium 510 mg/L 0.50 102 80 120Sodium 0.23 mg/L 0.50

Method: E200.7 Batch: C_R163707


Calcium ND mg/L 0.02Magnesium 0.03 mg/L 0.01Sodium ND mg/L 0.2

Sample ID: LFB-120823A 3 Laboratory Fortified Blank Run: SUB-C163707 08/23/12 16:00Calcium 48 mg/L 0.50 97 85 115Magnesium 48 mg/L 0.50 96 85 115Sodium 48 mg/L 0.50 97 85 115

Sample ID: C12080923-008BMS2 3 Sample Matrix Spike Run: SUB-Cl 63707 08/23/1217:52Calcium 48.3 mg/L 1.0 92 70 130Magnesium 46.6 mg/L 1.0 91 70 130Sodium 155 mg/L 1.0 84 70 130

Sample ID: C12080923-O08BMSD2 3 Sample Matrix Spike Duplicate Run: SUB-C163707 08/23/12 17:56

Calcium 51.2 mg/L 1.0 98 70 130 5.7 20Magnesium 49.3 mg/L 1.0 96 70 130 5.6 20Sodium 171 mg/L 1.0 115 70 130 9.8 20



LENERGý A"" SA 1f

Wasr, r111F 74724711 e Billing tAf 80-735-440 9 Cspu. WY IU235-51 51lt wliaf WY 11141111-71115 a Rapid City, 3D UB-472-1 225 - College SttiO, TX 8l151111-22111




Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Quai

Method: E300.0 Analytical Run: DIONEX_120821A

Sample ID: CCV082112-57 2 Continuing Calibration Verification Standard 08/22/12 01:36Chloride 73.1 mg/L 1.0 98 90 110Sulfate 71.2 mg/L 1.0 95 90 110

Method: E300.0

Sample ID: LFB082112-14

ChlorideSulfate

Sample I0: R12080307-008AMS

Chloride

Sulfate

2 Laboratory Fortified Blank

38.7 mg/L37.7 mg/L

2 Sample Matrix Spike

4440 mg/L

8320 mg/L

1.01.0

9794

Run: DIONEX_120821A

90 11090 110

Batch: R57749

08/21/12 13:22

08/22112 06:41Run: DIONEX_120821A100 97 90 110100 106 90 110

Run: DIONEX_120821A

100 97 90 110

100 106 90 110

Sample ID: R12080307-O08AMSD 2 Sample Matrix Spike Duplicate

Chloride 4460 mg/LSulfate 8320 mg/L

08/2211206:590.4 100.0 10


Page 9 of 10

Attachment A.November 2012 A-36

I ZChain of Custody and Analytical Request RecordPLI=ASE PRINT IPrnvlda •lq maar~h infnrm~(d'%n a. nnje~lhl- Page 4 Of -

0

-t

Company Name- Project Name, PWS, Permit, Etc. Sample Origin EPA/State Compliance:

-F ~ ~ ~ ~~~A~~i A/~;~ / 4i/ State: Yes 0] No E]Report Mail Adlrs Con ctNam: "" - Phone/Fax: S Email:. Sampler: (Please Print)

Invoice Address: Invoice Corntact & Phone: I Purchase Order: Quote/Bottle Order:

Special Report/Formats:/ "R[NR@V 970 no,7]• f[ Contact ELI prior to Shippr. y: "

Q--RUSH sample submittal- ~ forcagsadCoe 0s

oo ;5, R scheduling - See•Li• POWJW LFo r Instruction Page

C1 DW ElEDD/EDT(Electronic Data) •.I8)* ' ae -S_ _Coments

0 C.)NWT Fofat Comments: Rcliui

El State: __ LEVEL IV i " 1-El Other: _-_ NELAC U S - < Onice,: •N

>1 W 2 S Custoly Seal>1 ., O'3 cc on Bottle YW On Coole YN

, H ca Y N

SAMPLE IDENTIFICATION Collection Collection MATRIX SigHature Y N(Name, Location, Interval, etc.) Date Time Match

B O~.J", .---,......._,

MUS be- -1 L-I ,• ---J '",3 Ric~ 4 *~ -3j~ -2b- 2-__ _

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Custody Rel Dal~ inl:t : Sig ur dpA - KCOlved by (print): 08twTihtu: Signatuire:

Record Refinquish~ My Crint): Detlelirne: Sfnature:, Ren by (priml): Dalerln*m: 9r:

MUST be Sa:

Sine Sample Disposal: Return to Client:LaDi


Visit our web site at www.eneravlab.com for additional information, downioadable fee schedule, forms, and links.

(D0)(0

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ENERGY-boom f Hemk Mr 31774124111 - B11llnp. Mr 110731.4410 0 CspsrWY MD235-8513GftWY U6443717i 1P Rapid City, SD U"742-1225 a colege Station, TX 8884110-2215


September 25, 2012

Powertech USA Inc







This report was prepared by Energy Laboratories, Inc., 2821 Plant St., Rapid City, SD 57702. As appropriate, anyexceptions or problems with the analyses are noted in the Laboratory Analytical Report, the QAIQC SummaryReport, or theCase Narrative.

!f you have any questions regarding these tests results, please call.

Report Approved By:

Digitally signed by-a Cy-)Linda Larson

r h Date: 2012.09.25 17:12:51 -06:00Branch Manager


ENE RG Y m*XWuuý!"~ EVifior f Hal.., Ur $n1472-1711 9 Billitap, Ur mN-735.4M8 - caspui WY m 23-1515ii

Glilalta WY 1111111-M7175 0 Rapid City, SD 68S11472-1225 @ Collow Station, Tx 168410-2218

CLIENT:

Project:

Powertech USA Inc

#708 Alluvial Report Date: 09/25/12

CASE NARRATIVESample Delivery Group: R12090144

Tests associated with analyst identified as ELI-B were subcontracted to Energy Laboratories, 1120 S. 27th St., Billings, MT,EPA Number MT00005.

----- Original Message -----From: Lisa Scheinost (mailto:[email protected]]Sent: Wednesday, September 05, 2012 14:42To: [email protected]: [email protected]: RE: Full Anion/Cation Balance Requested for 708 on Sept 10-11 2012 Round

Thanks Linda. Please add F and N03 (and K) to the 708 analyte list, if you would. I appreciate it. LisaTests associated with analyst identified as ELI-CA were subcontracted to Energy Laboratories, 2393 Salt Creek Hwy.,Casper, WY, EPA Number WY00002 and WY00937.


ENERGY rnawm4ab~seU-f J lHelem MW 1774724711 * Billings, MT SWl-735-4489 e Casper WY OW235-051ISAW 18111 GCikst sW 1116111-7I1175 * Rapid City,SD 1111-172-11M5 a college Stition, TX 8611141-22111



Project: #708 Alluvial Collection Date: 09/10/12 15:24








6250

7.286500

302ND

368

umhos/cm

sumg/Lmg/Lmg/Lmg/L

5.0

0.01100

5

5

5

111

1

1

1

A251 0 B

A4500-H BA2540 C

A2320 B

A2320 B

A2320 B

46 mg/L1.1 mg/L

4270 mg/L

ND mg/L

0.1D 50 50

E300.0E300.0E300.0

09/12/12 09:40/lb09/12/12 08:55/lb09/17/12 09:25/]mh

09/17/12 15:09/ch09/17/12 15:09/ch09/17/12 15:09/ch

09/1.1/12 22:48/lb09/11/12 22:48/lb09/11/12 23:06/tb

09/11/12 22:48/tb

09/14/12 17:38/eli-ca

09/14/12 17:38/eli-ca09/14/12 17:38/eli-ca

.09/14/12 17:38/eli-ca

0.1 1 E300.0

426

52132

779

mglLmg/Img/Lmg/I

111

1

2

22

2

E200.7E200.7E200.7E200.7

Report RI - Analyte reporting limit.Report RL - Analyte reporting limit.Dermitions: 0CL - Quality control limit.





9 z "ON0.,twV Heins, W111177472-117111 * ffillins W US-7354410 @Caper, WY MI-2354515Gitifl.wyU11111111- -71175 * RepW City. So 1111111-172-112 M ColimaSteven, 81941131-2218




I AnalyteCount Result Units RL %REC Low Limit High Limit RPO RPODimit Qual I

Method: A2320 B

Sample I1: LCS1_120917A




Sample i): R12090103-002AMS



968 mg/L

Method Blank

ND mg/L

Sample Matrix Spike

302 mg/L


Run: PHCOND1-R_120917A 09/17/12 14:03

5.0 97 90 110


209/17/12 14:06

09/17/12 14:21Run: PHCOND1-R_120917A5.0 98 80 120



I gMM 'm~6Wo.cm JNHlilesa, Mr 8774724711 * Biling, 11T NI-135-4411 0 Caspe, WY asa235-1515

Gillett, VY U4S111- 715 o Rapid City, $D 18"72-1 225 a College Station, TX 81S1-11151-221111






Analyte Count Result Units RL 0/JREC Low Limit High Limit RPD RPDLimit QuallMethod: A2510 B


Conductivity@ 25 C

Sample ID: R12090144-OOIADUP

Conductivity @ 25 C

Batch: 120912_ICOND-PROBE-W

Run: PHCOND2-R_120912B 09/12/12 09:36Method Blank

ND umhos/cm


5

Run: PHCOND2-R_120912B 09/12/12 09:42

0.0 105.0



I w~s nil 1cof NIl.., Mr 311412-4711 e Bllllng36 uT NI-735-4480 - Casper, WY aug235-1515GIfllbWYU&4U1175 * Rapid City, SO 181472-1225 o wafep station, TIUa4011-2211




Analyte Count Result Units RL /hREC Low Limit High Limit RPD RPDLimlt Qual

Method: A2540 C





Sample ID: R12090133-003C MS


Batch: TDS120917A


ND mg/L


550 mg/L



3

Run: BAL-TDS_120917A10 110 90 110


40 102 90 110

09/17/12 09:20

09/17/12 09:23



~wA ellrnca

f

SHeilia T 1774724111 a Billinpg, W M1-7354481 9 Cuspw WY OU-235-UIIG lunft WY 8H -711-717 a Repid City, SO 318-12-1215 - Colage Station, TX f-14 -2216




Analyte Count Result Units RL 0/cREC Low Limit High Limit RPD RPDLimit Qual

Method: A4500-H B ,Analytical Run: PHCOND2-R_120912A

Sample ID: ICV-1_120912 Initial Calibration Verification Standard 09/12/12 08:44pH 7.43 su 0.010 100 98 102

Method: A4500-H B

Sample ID: ICV1-1_120912

pH

Sample ID: R12090144-OO1ADUP

pH

Initial Calibration Verification Standard12.0 su 0.010


100 99 101



09/12/12 08:42

09/12/12 08:590.7 3

Sample Duplicate7.33 su 0.010



wwwAramUb=n

ummo " W M-INI f

MHaleN, 1n 177-4724711 w Blilinp, UT rM-735-4419 e Caspw, WY N1.235-1515GIdala WY 1U-I-7 1175 Rapid City, SO NDI-472-1225 * Collage Station, TX 8111-411-2211




Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLImit ualmi


Sample ID: ICV 4 Initial Calibration Verification Standard 09/14/12 12:05Calcium 50 mg/L 0.50 100 95 105Magnesium 49 mg/L 0.50 98 95 105Potassium 51 mg/L 2.7 102 95 105Sodium 51 mg/L 0.50 101 95 105

Sample ID: ICSA 4 Interference Check Sample A 09/14/12 12:45Calcium 490 mg/L 0.50 98 80 120Magnesium 490 mg/L 0.50 99 80 120Potassium -0.0019 mg/L 0.50Sodium 0.24 mg/L 0.50

Sample ID: ICSAB 4 Interference Check Sample AB 09/14/12 12:49Calcium 490 mg/L 0.50 98 80 120Magnesium 500 mg/L 0.50 100 80 120Potassium -0.00050 mg/L 0.50Sodium 0.50 mg/L 0.50

Method: E200.7

Sample ID: MB-120914A

Calcium

MagnesiumPotassiumSodium

Batch: C_R164605

09/14/12 13:094 Method Blank

NDND

NDND

Run: SUB-C164605

mg/LmgtLmg/Lmg/L

Sample ID: LFB-120914A

CalciumMagnesiumPotassiumSodium

Sample ID: C12090319-002BMS2

CalciumMagnesium

Potassium

Sodium


48 mg/L47 mg/L

44 mg/L47 mg/L

4 Sample Matrix Spike49.5 mg/L48.7 mg/L

45.2 mg/L

157 mg/L

0.060.03

0.060.3

0.500.50

0.50

0.50

1.01.0

1.0

1.0

979589

94

94

9588

94

95969098

Run: SUB-C164605

85 11585 115

85 11585 115

Run: SUB-C164605

70 13070 130

70 130

70 130

Run: SUB-C164605

70 13070 130

70 13070 130

09/14/1213:13

09/14/12 16:42

Sample ID: C12090319-002BMSD2 4 Sample Matrix Spike Duplicate

Calcium 49.9 mg/LMagnesium 49.0 mg/L

Potassium 46.4 mg/LSodium 159 mg/L

1.01.0

1.01.0

0.80.6

2.61.4

09/14/12 16:462020

2020


Page 8 of 11


~W, . UWI=

f

Nems.nMWf17474711 0 8llllnpMWS80-735-4481 e * WY UU-235151-I~ J 9113Mb WY N111-1115 0 Rapid City, SD UB472-1 225 e cefte station, Tx OU13-10-2218





Method: E300.0

Sample ID: LFBO91112-14

ChlorideFluorideNitrogen, Nitrate as N

Sulfate

Batch: R58045

09/11/12 21:374 Laboratory Fortified Blank

38.8 mg/L3.92 mg/L

3.80 mg/L37.9 mg/L

Sample ID: R12090129-001BMS 4 Sample Matrix SpikeChloride 46.6 mg/LFluoride 4.15 mg/LNitrogen, Nitrate as N 4.66 mg/L

Sulfate 75.9 mg/L

Sample ID: R12090129-001BMSD 4 Sample Matrix Spike Duplicate

Chloride 46.5 mgoLFluoride 4.15 mg/LNitrogen, Nitrate as N 4.67 mg/LSulfate 76.3 mg/L

1.0

0.10

0.101.0

1.0

0.100.101.0

1.0

0.100.101.0

97

98

9595

97

95

.93102

97

9593

103

Run: DIONEX_120913A

90 110

90 110

90 110

90 110

Run: DIONEX_120913A

90 110

90 110

90 11090 110

Run: DIONEX_120913A

90 110

90 11090 110

90 110

09/11/12 22:12

0.2

0.0

0.2

0.5

09/11/12 22:30

10

1010

10



- Chain of Custody and Analytical Request Record.0 CAI M1010DILM n I A.zi. 6.... 1.L...d2 - -

Page - ofAI

z00'

a1

0•

Company N Project Name, PWS, Permit, Etc. Sample Origin EPA/State Compliance:

v--F lo LA4,,- e.1 ý g11v~ i~ '•1 State: YesF[I NoD[-Report MrI AddrM: Contact Name: Phone/Fax: Email: Sampler: (Please Print)

rt_ __ _ __ _ __ _ d/A 5;%# •ýJC 4Invoice Address: Invoice Contact & Phone: Purchase Order: Quote/Bottle Order:

Special Report/Formats: - Contact ELI prior to Shipped by:

'F • foRUSH sample submittalRUS sample submittaI ~~~~~for charges and c== bs: -

6 R scheduling - SeeUE(U Instruction Page

El DW F] ED EDT(Electronic Data) "1" '0 can" X -0El POTWNWWTP Format:_ _ _ Comments: < 2pV<Dl State: El LEVEL IV .13 Other: ElNELAC On ice:

g LI Custody Seal>1 On so" Y

0) ( On Cooler Y NC OIntact Y N

SAMPLE IDENTIFICATION Collection Collection NMATRIX Signature y N

(Name, Location, Interval, etc.) Date Time Match

L2 iiL 14-12L/0'' O --. '-i.:/e (Ov.3s =it.,,,. -. -- _ _ _ _ _ _ _

-3 1' ,.aj .'.0? "

4'

5a

O tc- 1 0•( 1 ,47•.]

10 :

Custod.y R ii•.• Da, i.. e: Reeie by (prin); Signature:'.Xl4 d ll J_,, 2-1 '.rP---I-/-= .•: " fRecord Rellnq by(pnt: DateTme: Signature: Date/Tin:

MUST be R I Pr:Signed I s eDipeosal: Retum to Client: Lab Disposal:


Visit our web site at www.enerovlab.com for additional information. downloadable fee schedule. forms. and links.

0'

-0(0

> 0D0

0

zV

N)

Enerj.•ones Inc.

Rap City, SD 57702-(605) 342-1225

R1 2090144CHAIN-OF-CUSTSDY RECORDCustody Seal: Y N

Intacted: Y N Shipped By.

Signature Match: Y N Receipt Tenip:

Page I off "13-Sep-12 .

Subcoanbafr

EU - Casper2393 Salt Creek Hwy.Casper, WY 82601TEL FAX:

SiedBy: qisdit

Lw! L:iJ-.7i 777i _ D i [-1E1 EF-jElEWZ .. rL

SulwntrafWes ClIesn Powertech USA Inc

Sample ID Matrix

FA12i6664:601 -' Aqueous

Collection Date scale Type

091o0112 03:24 PI 1-500ML-P-F-HN03

00

C

CD03

Comments:

:QC Level:

S 7

SRe e b:Dateime. -Ri b-

Relinquishe by: eceivd by

Relinquished by: - -_____ _______ Received by:-

1Date rrimfl

wwuawgl~abcom lo., Mr1 577-4724711 * Billings lMT 8i00-735-4481 • Caspu, WV 618-235-Hi11ANO bII GIbts, WY 811&-W7175 a Rapid City, SO 1i111-1172-1221 a Co• l Station, TX 88-610-221i


October 24, 2012

Powertech USA Inc









Report Approved By:

Digitally signed by, ry- Linda Larson


Page 1 of 11


fl~~~Ti~~jjmdea wu~nwibce on-mv, MT 1 7 -1711 * Bllm Ur NO111-735-4411111 e Caper, Yff Ul-21545151.- • -,in Gil:-lts- WVy U.-I.-7175 0 Rapid CR-Y, SO U.-"72-1225 0 Collae Station, Tx a1-1r• -• n ia•2

CLIENT: Powertech USA Inc Revised Date: 10/24/12

Project: #708 Alluvial Report Date: 10/17/12

Sample Delivery Group: R12100059 CASE NARRATIVE

Tests associated with analyst identified as ELI-B were subcontracted to Energy Laboratories, 1120 S. 27th St., Billings, MT,EPA Number MT00005.


Page 2 of 11


LE Ný RGY 1ebZ--# r Hal..ft, MT P1472411711 - 11m. 8lnMT rNU-71-"441 s CasperWVWZ6U-235I$GIIftaWY SS4NI--717I a Rapid CitY, 30 NS1672-1225l 0 Colqep Station, TX81111-1101-2211


Prepared by Rapid City, SD Branch Revised Date: 10/24/12


Project: #708 Alluvial Collection Date: 10/02/12 16:17








6300

7.217000298ND363

umhos/cm

sumg/L

mg/Lmg/L

mg/L

5.00.01

10.555

1

1

1

1

A2510 BA4500-H BA2540 CA2320 BA2320 B

A2320 B

47 mg/L1.2 mg/L

4520 mg'L

ND mg/L

0.1D 50 50

E300.0

E300.0E300.0

10/04/12 10:03/tb

10/04/12 11:32/tb10/08/12 17:02/tb

10/10/12 11:42/ch

10/10/12 11:42/ch

10/10/12 11:42/ch

10/04/12 02:51/tb

10/04/12 02:51/tb

10/05/12 00:02/tb

10/04/12 02:51/tb

10/15/12 20:22/eli-ca"

10/15112 20:22/eli-ca10/15/12 20:22/eli-ca"

10/16/12 16:51/eli-ca

0.1 1 E300.0

442

525

30766

mg/Lmg/Lmg/L

mg/L D 2

5

55

5

E200.7E200.7E200.7E200.7

Report RL - Analyte reporting limit.Report RL - Analyte reporting limit.Deflntions: QCL - Quality control limit.


MCL - Maximum contaminant level.ND - Not detected at the reporting limit.

Page 3 of 11


. W awia f Hubs., MT 3774724711 e Sillump, MT SU-7354480 e Cniper, WY 23U25451511119ft WYU014- -71 75 * Rapid City, SO 1111472-11225 uCoflhgsStation, IX 1111-6U3-2211

QA/OC Summary ReportPrepared by Rapid City, SD Branch Revised Date: 10/24/12




Method: A2320 B

Sample ID: R12100062-002ADUP 3 Sample Duplicate

Alkalinity, Total as CaCO3 262 mg/L

Carbonate as C03 ND mg/LBicarbonate as HCO3 319 mg/L

Run: PHCOND1-R_1210101

5.0

5.05.0


10/1 /12 14:33

2.3 10

102.3 10


Alkalinity, Total as CaC03Sample Matrix Spike


5.0 86 80 120

10/10/12 15:01


Page 4 of 11


9900 *"-,- f Helua W 677472-4711 0 Siinlp, W M1-33-44M1 * Casper, WY W8-23501151GINKle WY 811-618-71711 9 Rapid Cl4, So Ull-172-1221 * Collep Station, TX 811-611-22118

QA/QC Summary ReportPrepared by Rapid City, SD Branch Revised Date: 10/24/12



Analyte Count Result Units RI oEC Low Limit High Limit RP .RPOUmII Oual,

Method: A2510 B


Conductvty @ 25 C



ND umhos/cm 5


Page 5 of 11


GOMMM&Wt•-l W1 fl..e, W S774724711 * Bil~llp W 11100135111 -Ii Cuer caWT MI23W541

Glib WY NgN175 0 Rapid Cft~, SO fl8412-1225 0 Coftag Station. TX 81111410-221l




Analyte Count Result Units RL %4REC Low Limit High Limit RPD RPDUmit Qual

Method: A2540 C







Batch: TDS121008A


ND mg/L




3

Run: BAL-TDS_121008A10 102 90 110

Run: BAL-TDS_121008A10 98 90 110

10/08/12 16:47

10/08/12 16:55


Page 6 of 11


Ui z~emolmo togHl-.a, Ur 1774724711 a Billings, Mr 1I-73-4481 Campe. WY 81-235-1611

Gllelbs, WY lU-1I-7175 a Rapid City, SD U36472-1 225 "Collae Station, UX 8I1-610-2218




Analyte Count Result Units RL hREC Low Umit High Limit RPD RPDI3Imit QualI

Method: A4500-H B Analytical Run: PHCOND2-R_121004B

Sample ID: ICV-1_121004 Initial Calibration Verification Standard 10/04/12 11:12pH 7.40 su 0.010 100 98 102

Method: A4500-H B

Sample ID: ICV1-1_121004

pH


10/04/12 11:11Initial Calibration Verification Standard Run: PHCOND2-R_121004B12.0 su 0.010 100 99 101


Page 7 of 11


I ANW01 Sow mHlmse, Ur P1472471111' Blltini, Ur 80-735-4411 a Casper WY WU23"51U5

61dWWY U4U1W7!7 * Rapid CftySD N1"2-1 225 * College Station, TXBUSWIN-2210




Revised Date: 10/24/12



Analyte Count Result Units RL O/REC Low Limit High Limit RPD RPDLImIt Qual



Calcium 51 mg/L 0.50 102 95 105Magnesium 49 mg/lI 0.50 97 95 105Potassium 52 mg/L 2.7 104 95 105

Sample ID:. ICSA 3 Interference Check Sample A 10/15/12 14:53




Method: E200.7 Batch: C_R 165834


Calcium ND mg/L 0.06Magnesium ND mg/L 0.03

Potassium ND mg/L 0.06

Sample ID: LFB-121015A 3 Laboratory Fortified Blank Run: SUB-Cl65834 10/15/12 15:54

Calcium 50 mg/L 0.50 100 85 115Magnesium 49 mg/L 0.50 97 85 115Potassium 43 mg/L 0.50 86 85 115

Sample ID: C12100087-004BMS2 3 Sample Matrix Spike Run: SUB-C165834 10/15/1220:14

Calcium 52.6 mg/L 1.0 99 70 130Magnesium 48.8 mg/L 1.0 97 70 130Potassium 45.9 mg/L 1.0 91 70 130

Sample ID: C12100087-OO4BMSD2 3 Sample Matrix Spike Duplicate Run: SUB-C165834 10/15/12 20:18

Calcium 51.9 mg/L 1.0 98 70 130 1.4 20Magnesium 48.6 mg/L 1.0 97 70 130 0.5 20Potassium 47.1 mg/L 1.0 93 70 130 2.4 20


Page 8 of 11


uWAUMlVIA= f Hew Wr 311472-4111 a Willlqm UrNU-7354M a eCaper, WY IW2311-U1

SlowGhIt. WY $U411-7171 * Rapid City, So HH472-1225 w Collge Stftlo, IX U11-111I-22118

QA/QC Summary ReportProanra,4 hu l irw r~ift (Qfl flrmnpI

F Y 11 1



Analyte C

Method: E200.7

Sample ID: ICVSodium

Sample ID: ICSASodium

Sample ID: ICSABSodium

Method: E200.7

Sample ID: MB-121016ASodium

Sample ID: LFB-121016ASodium

Sample ID: C12100224-O06BMS2Sodium

Sample ID: C12100224-006BMSD2Sodium

Iount Result Units RL

Initial Calibration Verification Standard

52 mg/L 0.50

Interference Check Sample A0.19 mg/L 0.50

Interference Check Sample AB

0.090 mg/L 0.50

Method BlankND mg/L 0.3

Laboratory Fortified Blank48 mg/L 0.50

Sample Matrix Spike182 mg/L 1.0

Sample Matrix Spike Duplicate

184 mg/L 1.0

Revised Date: 10/24/12



%/REC Low Limit High Limit RPD RPDLImIt Qual

Analytical Run: SUB-C165910

10/16/12 13:24

104 95 105

10/16/1214:11

10/16/12 14:15

Batch: C_R 165910

Run: SUB-C165910 10/16/12 14:35

Run: SUB-C165910 10/16/12 14:39

96 85 115

Run: SUB-C165910 10/16/12 16:43

96 70 130

Run: SUB-C165910 10/16/12 16:47101 70 130 1.3 20


Page 9 of 11


ENERGY W~w~~a&f

eleaus, Mr 377.472-411 a RhIamp WT 1111-731114Mf a Casper WY M2115-11111156111f Iliela IWY IS-7175 9 Repid City, SD 1111111-172-1225 9 Cllaep Station, TX 88-610-2218




Analyte Count Result Units RL °AREC Low Limit High Limit RPD RPDLImIt Qual

Method: E300.0 Analytical Run: DIONEX_121003ASample ID: CCV100312-28 3 Continuing Calibration Verification Standard 10/04/12 00:45Chloride 73.8 mg/L 1.0 98 90 110Fluoride 7.50 mg/L 0.10 100 90 110Nitrogen, Nitrate as N 7.41 mg/L 0.10 99 90 110

Method: E300.O Batch: R58335

Sample ID: LF8100312-14 3 Laboratory Fortified Blank Run: DIONEX_121003A 10/03/12 20:52Chloride 40.0 mg/L 1.0 100 90 110Fluoride 4.18 mg/L 0.10 105 90 110Nitrogen, Nitrate as N 4.09 mgoL 0.10 102 90 110

Sample ID: R12100063-001AMS 3 Sample Matrix Spike Run: DIONEX_121003A 10/04/12 01:39Chloride 377 mg/L 5.0 98 90 110Fluoride 21.6 mg/L 0.50 99 90 110Nitrogen, Nitrate as N 55.5 mg/L 0.50 94 90 110

SamplellD: R12100063-OOIAMSD 3 Sample Matrix Spike Duplicate Run: DIONEX_121003A 10/04/1201:57Chloride 377 mg/L 5.0 99 90 110 0.1 10Fluoride 21.7 mg/L 0.50 99 90 110 0.4 10Nitrogen, Nitrate as N 55.7 mg/L 0.50 95 90 110 0.4 10

Method: E300.0 Batch: R58355Sample ID: LFB100412-14 Laboratory Fortified Blank Run: DIONEX_121004A 10/04/12 21:02Sulfate 40.9 mg/L 1.0 102 90 110

Sample ID: R12100062-O03AMS Sample Matrix Spike Run: DIONEX_121004A 10/05/12 01:49Sulfate 12000 mg/L 100 111 90 110 S

Sample ID: R12100062-O)3AMSO Sample Matrix Spike Duplicate Run: DIONEX_121004A 10/05/12 02:07Sulfate 12100 mg/L 100 112 90 110 0.4 10 S

Qualifiers:RL -Analyte reporting limit.S - Spike recovery outside of advisory limits.


Page 10 of 11


-EG Chain of Custody and Analytical Request Record Page _ ofPLEASE PRINT (Provlde as much Information as mosslble.1

z0

t-J0't,0

Company Name: Project Name, PWS, Permit, Etc. Sample Origin EPA/State Compliance:

________ -f-___ _ 'rt.4/ ~ / r/ State: -5/., Yes EJ No 0Report Mail Address: Contact Name: Phone/Fax: Email: Sampler: (Please Print)

,vcTe -re o /c, 9& __.. kI,_Invoice Address: Invoice Contact & Phone: Pu-rchase Order: Quote/Bottle Order:

W6, Te,. 4- ____

Special ReportlFormats: MaRUWiiim 0100 Contact ELI prior toRUSH sample submittal

1 Z for charges and Cooler ID(s):g so • R scheduling - SeeDaU W Instruction PageQDW E- EDDEDT(Electronic Data) to "1" "o 4 =_nep~

POTWiWWTP Format: , 71 u Comments:c

ElState: F LEVEL IV W !2 4.el Other:. _NELAC r- On ,=.

.AU2 S cumos seawILU m On Boue Y N

tor-C on Ocooler Y NH Intat y NSAMPLE IDENTIFICATION Collection Collection MATRIX tnHre N

(Name, Location, Interval, etc.) Date Time MATRIX Match_ _ _ N

I' "p•- D- / 0o- V?7fj:/ ,_ _

101

V I r

10

L__ - 3 simz~,dby (pnflfy nae'Tm: 1:lwVT e~ved by (puint): Datotmnw: Signature:

2

(,>

I/

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MUST beSigned i Same Disposal:

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uam/Tre: ;>gn ure:

1 ýGMPWOU by Uý1l,,ml• Imn• sig4nature:

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I Ut"ýý~ (071717/, /2j--- 19K-4JO1ý LRaturn to Client- Lab Disoosal:i • m

In certain circumstan es, samples submitted to Energy Laboratories, Inc. may be subcontracted to other certified laboratories in order to complete the analysis requested.This serves as notice of this possibility. All sub-contract data will be clearly notated on your analytical report.

Visit our web site at www.eneravlab.com for additional information, downloadable fee schedule, forms, and links.

I I z&-- sanksurnwmme f lWas%. kir 11774721111111 9 Hhii~nts, MTirU -7354480 a Casper. WY 6*235411M

GIfth WY U164W1-i 5 a Rapid City, SD UI1721225ff 9 camin Staftion 111111"111-2218


November 13, 2012

Powertech USA Inc


Workorder No.: R12110069 Quote ID: R412 - #708 plus Alluvial




R12110069-001 708 11/05/12 16:13 11/06/12 Aqueous Metals by ICP/ICPMS, DissolvedAlkalinityAnion - Cation BalanceConductivityAnions by Ion ChromatographypHDissolved FiltrationSolids, Total Dissolved

This report was prepared by Energy Laboratories, Inc., 2821 Plant St., Rapid City, SD 57702. As appropriate, anyexceptions or problems with the analyses are noted in the Laboratory Analytical Report, the QNQC SummaryReport, or the Case Narrative,


Report Approved By:

" ,Digitally signed byL • Linda Larson


Page 1 of 10


I ENERGY I 4-zieo IWWxWOab=cuA"fWAO 11

Hlmsn, r 677-472-0711 * Hhllinlog MT NI-735-4410 * Caspe, WI N#235-I515Glkft. WY 3654111-7175 a Rapid cht. so 6188472-IM 22 'cage Staftio Tx 883-61-2211





CASE NARRATIVE



ENERGYJ 1ý- Qf

1 Ilu Heina, it 311472-0711 9 BIlling%, MT N-735-44M11 * Casper, WY M83-235-411O f J Giluett, WY 11141-7175 - Rapid City, SD U1I-872-1225 a Colage Station, iX 1108610-2211


Client: Powertech USA Inc Report Date: 11/13/12Project: #708 Alluvial Collection Date: 11/05/12 16:13Lab ID: R12110069-001 Date Received: 11/06/12Client Sample ID: 708 Matrix: AQUEOUS


PHYSICAL PARAMETERSConductivity @ 25 CpHSolids, Total Dissolved TDS @ 180 CAlkalinity, Total as CaCO3

Carbonate as C03Bicarbonate as HCO3

INORGANIC PARAMETERSChlorideFluoride

Sulfate


CationsConductivity, CalculatedTDS Ratio

A/C Balance


DISSOLVED METALS ANALYSESCalciumMagnesium

Potassium

Sodium

5200

7.276600306ND

373

umhos/cm

sumg/L

mg/Lmg/L

mg/L

5.0

0.0110

555

11

11

1

1

A251 0 B

A4500-H BA2540 CA2320 BA2320 B

A2320 B

45 mgoL1.0 mg/L

4280 mg/L

I

0.1D 50

150

E300.0

E300.0

E300.0

A1030 E

A1030EA1030EA1030E

A1030 E

96.596.2

71701.06

-0.140

meq/Lumhos/cm

1.00

1.001.00

0.0100

1

11/06/12 12:27/lb

11/06/12 12:49/lb11/07/12 15:59/jmh11/09/12 15:44/ch11/09/12 15:44/ch11/09/12 15:44/ch

11/06/12 22:11/tb11/06/12 22:11/tb11/06/12 21:17/tb

11/13/12 00:00/lid11/13/12 00:00/Ikl11/13/12 00:00/1ki11/13/12 00:00/Ikl

11/13/12 00:00/Ikl

11/06/1222:11/lb


11/08/12 19:59/eli-ca

ND mg/L 0.1 1 E300.0

415

516

30

742

mg/L

mg/L

mg/L

mg/L

111

1

22

2

2

E200.7

E200.7E21)0.7

E200.7

Repert RL - Analyle reporting limit.Report RL - Analyte reporting limit.Defintions: QCL - Quality control limit.



Page 3 of 10


i www~rr8U ,-Wals, Mr 87747124711 9 Billings. MT W -735-4480 a Casq, WY $88-235-8515

RIet.WYY IIU-0-7175 * Rapid City, S* 3-472-1225 * College Station, IX H8-.51-2210




Count Result Units RL %REC Low Limit High Limit RPO RPDLImit Quall

Method: A2320 B






952 mg/L

Batch: 121109A-ALK-S EL-W

Run: PH_COND1 -R_121109A 11/09/12 15:32

5.0 95 90 110

Method Blank

ND mg/L 2



11/09/12 15:36

Sample ID: R12110069-001ADUP 3 Sample Duplicate

Alkalinity, Total as CaCO3 298 mg/LCarbonate as C03 ND mg/LBicarbonate as HCO3 363 mg/L

5.05.0

5.0

11/09/12 15:492.6 10

10

2.6 10


Alkalinity, Total as CaCO3Sample Matrix Spike

370 mg/L

Run: PHCOND1-R_121109A5.0 94 80 120

11/09/12 15:54


Page 4 of 10


AmlihdftMmw1- If

KHelm, .r 1774724711 e Billnp, Mr 0-735-440 a cp, WY 8111435-U151159111aia, WY 8i11-111-7175 9 Rapid City, SD U08.72-1225 9 Collep Station, TX 181-1i1.-2218




Anaiyte Count Result Units RL %FREC LowLImit HighLimit RPD RPDLimit Qual]

Method: A2510 B


Conductivty @ 25 C


Conductivity @ 25 C


Run: PHCOND2-R_121106B 11/06/12 10:02Method Blank

ND umhos/cm


5

Run: PHCOND2-R_121106B 11/06/12 12:290.2 105.0


Page 5 of 10


i ~~wwUneil=lbm N:Helms. WT 37714724711 * Billings, MT NI-735-4481 a Casper, WY aU-235-N1I

Gilluf, WY 911 175 * Rapid City, SO 811-172-1225 9 College Station, TX 888-011-2218





Method: A2540 C







Batch: TDS121107A


ND mgiL


500 mg/L



3

Run: BAL-TDS_ 121107A

10 100 90 110


10 101 90 110

11/07/12 15:46

11/07/12 15:50

Qualifiers:RL - Analyte reporting limit. ND -Not detected at the reporting limit.

Page 6 of 10


.. oxabskicoma Hlms. W 7714724711 a Billings, UT 30-721-4406 a Caspar, WY ili-231-i515fissema wf! J-,- a., e, WY i8-1Wi7175 * Rapid City, SD 31B472-1225 * College Station, TiX 8110-2213



Project: #708 AlluvialSAnalyte

Method: A4500-H BSample ID: ICV-1_121106pH

Method: A4500-H BSample ID: ICV1-1_121106pH

Sample ID: R12110069-001ADUPpH

Count Result Units



Sample Duplicate7.28 su 0.,



RL %REC Low Limit High Limit RPO RPOUmit Qual

Analytical Run: PHCOND2-R_121106A

11/06/12 09:17010 100 98 102

Batch: 121106_1_PH-WRun: PHCOND2-R_121106A 11/06/12 09:16

010 100 99 101

Run: PH_COND2-R_121106A 11/06/12 12:54010 0.1 3


Page 7 of 10


s .lt "11 -fif aHls, Ut 17472-0411 e Billings, MW N-7135-4411 * Casper, WY 111-235-8511

6illft WY i545i 7175 9 Rapid City, So I18-172-1225 - CoWlao Station, IX 111-11-11211




tCount Result Units RL 9REC Low Limit High Limit RPD RPDLlmlt Qual

Method: E200.7 Analytical Run: SUB-C166967Sample ID: ICV 4 Initial Calibration Verification Standard 11/08/12 14:11Calcium 50 mg/L 0.50 99 95 105Magnesium 52 mg/L 0.50 103 95 105Potassium 47 mg/L 0.50 95 95 105Sodium 53 mg/L 0.50 .105 95 105

Sample ID: ICSA 4 Interference Check Sample A 11/08/12 14:40Calcium 490 mg/L 0.50 99 80 120Magnesium 530 mg/L 0.50 107 80 120Potassium -0.0072 mg/L 0.50Sodium 0.033 mg/L 0.50

Sample ID: ICSAB 4 Interference Check Sample AB 11/08/12 14:44Calcium 500 mg/L 0.50 99 80 120Magnesium 520 mg/L 0.50 104 80 120Potassium -0.0062 mg/L 0.50Sodium 0.028 mg/L 0.50

Method: E200.7

Sample ID: MB-121108A

CalciumMagnesium

Potassium

Sodium

Sample ID: LFB-121108A

Calcium

MagnesiumPotassium

Sodium

Batch: C_R166967

11/08/1215:084 Method Blank

NDNDND

ND

Run: SUB-C166967

mg/Lmg/Lmg/Lmg/L


48 mg/L50 mg/L

46 mg/L49 mg/L

0.06

0.030.06

0.3

0.50

0.500.50

0.50

Sample ID: C12110105-011BMS2 4 Sample Matrix Spike

Calcium 134 mg/LMagnesium 81.4 mg/LPotassium 50.3 mg/LSodium 100 mg/L

Sample ID: C12110105-011BMSD2 4 Sample Matrix Spike Duplicate

Calcium 135 mg/LMagnesium 81.0 mg/LPotassium 51.5 mg/LSodium 101 mg/L

1.01.0

1.0

1.0

1.01.0

1.0

1.0

97100

92

99

849892

99

86

97

94100

Run: SUB-C16696785 115

85 11585 11585 115

Run: SUB-C166967

70 13070 130

70 130

70 130

Run: SUB-C16696770 130

70 130

70 13070 130

11/08/12 19:02

11/08/1215:12

0.80.5

2.3

0.8

11/08/1219:06202020

20


November 2012 A-67Page 8 of 10

Attachment A

I T mun~ilyl f Hal... Ur 1774724111 a Bhilling, uT SI-735-441 a casper, yWYI-235-8513G~hldaW 111111111111-71175 0 Rapid City, SD 811472-1225 * callaep Rtam.n TX 8111111 -22111




Analyte Count Result Units RL %REC Low Limit High Limit RPD RPOUmIt Qual

Method: E300.O Analytical Run: DIONEX_121106ASample I: CCV110612-28 4 Continuing Calibration Verification Standard 11/06/12 20:41Chloride 71.9 mg/L 1.0 96 90 110Fluoride 7.32 mg/L 0.10 98 90. 110Nitrogen, Nitrate as N 7.18 mg/L 0.10 96 90 110Sulfate 71.4 mg/L 1.0 95 90 110

Method: E300.O

Sample ID: LFB110612-14

Chloride

FluorideNitrogen, Nitrate as N

Sulfate

Sample ID: R12110069-OO1AMS

ChlorideFluoride

Nitrogen, Nitrate as NSulfate

Batch: R58767

11/06/1216:484 Laboratory Fortified Blank37.9 mg/L

3.96 mg/L3.87 mg/I

38.3 mg/L

4 Sample Matrix Spike

1970 mg/L201 mg/L

196 mg/I6440 mg/L

1.0

0.10

0.101.0

Sample ID: R12110069-001AMSD 4 Sample Matrix Spike DuplicateChloride 1970 mg/LFluoride 201 mg/LNitrogen, Nitrate as N 196 mg/ILSulfate 6440 mg/L

505.0

5.0

50

505.05.0

50

95

99

97

96

909698

108

899698

108

Run: DIONEX_121106A

90 110

90 110

90 110

90 110

Run: DIONEX_121106A

90 11090 11090 110

90 110

Run: DIONEX_121106A90 11090 110

90 11090 110

11/06/12 21:35

0.1

0.00.20.0

11/06/12 21:5310 S1010

10

Qualifiers:RL - Analyte reporting limit.S - Spike recovery outside of advisory limits.


Page 9 of 10


Chain of Custody and Analytical Request RecordDI CA00 nDIMiP il A 1..L 2 • I -l

Page 4-° -- -

z40

CDE30r

r . -r'i r O rl uvllw l Inu[g IUII / u IlUU IIII inUmllil 43ll U@IJIl~lgU.J______________

Co~aY~me1/Project Name, PWS, Permit, Etc. Sample Origin EPNIState Compliance:

__ __ __ __ __ __ __ 0I /T..u ' gilowd eir/ State:. YesI0 NoQCReport Mail Address: Contact Name: Phone/Fax: Email: Sampler: (Please Print)

-Invoice Addess: Invoice Contact & Phone. Purchase Order: Quote/Bottle Order:

Special Report/Formats: i€ oi[ '. t [l u Contact ELI prioruto sh"pe b

RUSH sample submittalfor charges and Cooler IO(s1:

C 1 R scheduling - Seer-g e a LLU b Instruction PageE, DW E-l, EDD/EDT(Electronic [)ta) 10) -a,

'J:2 a2 4Rae~lpt Tefnip

I] POTW/WWTP Format: uEL Comments:

ElState: E_ LEVEL IV I___ __'d

o cEl Other: El NELAC On Ica

W~a S;ý J- Custody SealE >1 U MonSoftt Y N

coo On Cooler Y NFintact YN

SAMPLE IDENTIFICATION Collection Collection M X H tact YN(Name, Location, Interval, etc.) Date Time Sgnatu Y N

~~'0

(y -2,. by "t_:

Custody Reele b" y (pi) 'adl Sintue

. ..... . Sintue RaamlbypRt. ae f

MUST b Tl"

Signed Smlisa posal: Returntoclisnt:, Lab Disposal: ,-- '•,.-: _

In certain circumstances, samples submitted to Energy Laboratories, Inc. may bie subcontracted to other certified laboratories in order to Complete the analysis requested.This serves as notice of this possibility. All sub-contract data will be clearly notated an your analytical report.

I . - . . .. 9. . . . I _ _ _ _ -- -- - - - w- 1 - - - 6 - f a " c i i l l f n r m q . a nd l i n k s .

-u01CO

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Documents

Attachment A, Additional Alluvial Characterization Water ...GlsltgWYSS..S751 * Rapid City, So 1111-1172-1225 a Collaep Statio, TX 81111-11111-221111 LABORATORY ANALYTICAL REPORT Prepared