DATE

i UNITED STATES ENVIRONMENTAL PROTECTION AGENCYREGION III

^f CENTRAL REGIONAL LABORATORY' 839 BESTGATE ROAD

ANNAPOLIS, MARYLAND 21401(301) 266-9180

January 15, 1991

SUBJECT: Inorganic Data Validation for .the Hunterstown .Road SiteCase 15321

FROM : Dan V. Slazysr P-*Region ill Acting ESAT DPO (3ES23)

TO ' : Frank Vavra : • 'Regional Project Manager (3HW23)

THRU : Patricia J. Krantz, ChiefQuality Assurance Branch (3ES23)

Attached is the inorganic data review for the Hunterstown RoadSite (Case 15321) completed by the Region III EnvironmentalServices Assistance Team (ESAT) contractor under the directionof Region III ESD.

If you have any questions regarding this review, please callme.

Attachment

cc: Tony Vellios, Dynamac

TID File: 03900818 Task 2197

AR3G2230

2568A RIVA ROADSUITE 300ANNAPOLIS, MD 21401

SM PHONE: 301-266-9887

DATE: 14 JANUARY 1991

SUBJECT: INORGANIC DATA VALIDATION, Case 15321. SITE: HUNTERSTOWN ROAD

PROM: PETE CHAPMAN^ MAHBOOBEH MECANIC^INORGANIC DATA REVIEWER SENIOR DATA REVIEWER

TO: DAN SLIZYSACTING ESAT DEPUTY PROJECT OFFICER

THRU: RICHARD D. DRESSER/Kft,ESAT TEAM MANAGER H^

OVERVIEW

The set of samples for Case 15321 contained seven (7)soil samples which were analyzed through the ContractLaboratory Program (CLP) Routine Analytical Services.Included in the sample set was a field duplicate pair.

SUMMARY

All analytes except Sb were successfully analyzed in allsamples. Areas of concern with respect to data usabilityare listed according to the seriousness of the problem.These include:

MAJOR PROBLEM

The matrix spike recovery was extremely low (<30%) forthe Sb analyte in the samples. The quantitaton limitsand reported result may be biased extremely low and,therefore, have been qualified, "R" and "L",respectively.

MINOR ISSUES

The ICP Serial Dilution results for the K and Zn analyteswere outside of the 10% control limit. The reportedresults for these analytes in the samples are estimatedand have been qualified "J".

flR30223I

Page 2 of 2

The laboratory duplicate result was outside of thecontrol limit for the Cu analyte. Therefore, the

• reported results for this analyte has been qualifiedestimated "J".

The matrix spike recoveries were low (30-75%) for the Asand Se analytes. The quantitation limits and reportedresults for these analytes in the samples may be biasedlow and, therefore, have been qualified, "UL" and "L",respectively.

The matrix spike recovery was high (>125%) for the Mnanalyte. The reported results may be biased high, andtherefore, they have been qualified, "K".

NOTES;

The laboratory duplicate results were outside of the 20% controllimit for the Cr, Fe, and Mn analytes, however, the results werenot outside of the 35% contol limit used for inorganic datavalidation. Therefore, these analytes were not qualified.

The data was reviewed in accordance with the National FunctionalGuidelines for Evaluating Inorganic Analyses.

INFORMATION REGARDING REPORT CONTENT

Table 1A is a summary of qualifiers added to thelaboratory's results during evaluation.

ATTACHMENTS

TABLE 1A SUMMARY OF QUALIFIERS ON DATA SUMMARYAFTER DATA VALIDATION

TABLE IB CODES USED IN COMMENTS COLUMN

TABLE 2 GLOSSARY OF DATA QUALIFIER CODES

TABLE 3 DATA SUMMARY FORM

APPENDIX A RESULTS REPORTED BY LABORATORY FORM Is

APPENDIX B TPO REPORT

PC101A02.HUN

flR3Q2232

TABLE 1A

SUMMARY OF QUALIFIERS ON DATA SUMMARYAFTER DATA VALIDATION

NON-POSITIVB DETECTED

ANALYTB SAMPLES AFFECTED VALUES VALUES BIAS COMMENTS*

Sb All samples L R Extremely A (14.8%)Low

As All samples L Low B (67.5%)

Cu All samples J C (38.7%)

Mn All samples K High D (128%)

K All samples J . E-(16.3%)

Se All samples L UL Low B (50.0%)

Zn All samples J E (14.9%)

oflR302233

TABLE IB

CODES USED IN COMMENTS COLUMN

A = Due to an extremely low matrix spike recovery (% recovery isin parentheses), the quantitation limits and reportedresults may be biased extremely low.

B = Due to a low matrix spike recovery (% recovery is inparentheses), the quantitation limits and reported resultsmay be biased low.

C = The laboratory duplicate result was out-of-control (% RPD isin parentheses), the reported results are estimated.

D = Due to a high matrix spike recovery (% recovery is inparentheses), the reported results may be biased high.

E = The ICP serial dilution results were outside of the controllimit (the results are in parentheses), the reported resultsare estimated.

TABLE 2

GLOSSARY OF DATA QUALIFIER CODES (INORGANIC)

CODES RELATED TO IDENTIFICATION(confidence concerning presence or absence of analytes):

U = Not detected. The associated number indicatesapproximate sample concentration necessary to bedetected.

(NO CODE) = Confirmed identification.

B = Not detected substantially above the levelreported in laboratory or field blanks.

R = Unreliable, result. Analyte may or may not bepresent in the sample. Supporting data necessaryto confirm result.

CODES RELATED TO QUANTITATION(can be used for both positive results and sample quantitationlimits):

J = Analyte Present. Reported value may not beaccurate or precise.

K = Analyte present. Reported value may be biasedhigh. Actual value is expected to be lower.

L = Analyte present. Reported value may be biasedlow. Actual value is expected to be higher.

[] = Analyte present. As values approach the IDL thequantitation may not be accurate.

UJ = Not detected, quantitation limit may be inaccurateor imprecise.

UL = Not detected, quantitation limit is probablyhigher.

OTHER CODES

Q = No analytical result.

O

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RESULTS REPORTED BY LABORATORY

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Level < low/mad): :.C',-i_ Oasa Racei:--sd: li/Sl/90

% Solids: __Si . 3-

Concsntratior, Units 'ug/L. or mg/--.:g dry weight-: i"1G/:<'3

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Lavei Clow/med): LOW_ Dat-a Facaive-d: 11,-51/90

% Solids: _S2.0

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1 0 . 3 1 i * i P i14000! i * i P 1

6 . 3 ! i i F i3770! ! IP i1901 i N-r ;p ;

0 , 1 1 i U i ! CV !14.31 I IP 1533 IBI E 1 P 1

0.23JEI N IF 10 . 70 IUI 1 P 140 . 3 ! 3 i IP:0 . 47 i U 1 1 F 1E2 . 1 ! i IP!6S.O! 1 E 'IP 1

! ! 1 NR 1I I I I -

Before: Texture: MED!1

After: Artifacts: YES

FDR" ' - IN flR3022ltU ,/99

o

APPENDIX B

TPO REPORT

O

1 of 1

TPO: [X] ACTION [ ] FYI Region III

INORGANIC REGIONAL DATA ASSESSMENT SUMMARY

CASE NO: 15321 LABORATORY: ITPASDG NO: MCDE14 DATA USER: Stevie WildingSOW: 7/88 REVIEW COMPLETION DATE: 1/9/90NO. OF SAMPLES: seven (7) MATRIX: Soil

REVIEWER: ESAT

ICP AA Hg CYANIDE

1. HOLDING TIMES _O_ _O_ _O_ _ _

2. INITIAL CALIBRATIONS _O_ _O_ _0_ _ _

3 . CONTINUING CALIBRATIONS ' _O_ _O_ _O_ ^ _

4. FIELD BLANKS (F=NOT APPLICABLE) _F_ _F_ _F_ _ _

5. LABORATORY BLANKS _0_ _O_ _0_ _ _

I. ICS _0_

7. LCS _O_ _O_

8. DUPLICATE ANALYSIS _X_ _O_ _O_ _ _

9. MATRIX SPIKE _MA_ _M_ _0_

10. MS A _0_

11. SERIAL DILUTION - _X_

12. SAMPLE VERIFICATION _0_ _0_ _0_ _ _

13. REGIONAL QC(F-NOT APPLICABLE) _F_ _F_ _F_ _ _

14. OVERALL ASSESSMENT _M_ _M_ _p_ _ _0 = Mo problems or minor problems that do not affect data usabilityX = No more than about 5% of the data points are qualified as either estimated or unusable.H = More than about 5% of the data points are qualified as estimated.Z * More than about 5X of the data points are qualified as unusable.A = TPO action requested; use in conjunction with one of the above codes.

TPO ACTION ITEMS: _______________________________________________________

•REAS OF CONCERN: