Dames & Moore, 1999 - USDA Forest Service
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Dames & Moore, 1999 - USDA Forest Service

Dames & Moore, 1999 - USDA Forest Service Dames & Moore, 1999 - USDA Forest Service

fs.usda.gov
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. June 15,1998 Low Level Lead, May 1998, Holden Mine 13. Overall Assessment of Data ' The usefulness. of the data is based on EPA guidance documents listed above. Upon consideration of the information presented above, the data are acceptable except where flagged with data qualifiers that modify the usefulness of the individual values. Data Qualifiers U The analyte was analyzed for, but was not detected above the reported sample quantitation limit. J The analyte was positively identified; the associated numerical value is the approximate concentration of the analyte in the sample. UJ The analyte was not detected above the reported sample quantitation limit. However, the reported quantitation limit is approximate and may or may not represent the actual limit of quantitation necessary to accurately and precisely measure the analyte in the sample. R The sample results are rejected due to seFious deficiencies in the ability to analyze the sample and meet quality control criteria. The presence or absence of the analyte cannot be verified.

Sample Results for Dames and Moore Reported by Frontier Geosciences Inc. Sample ID Total Pb (pglL) Diss. Pb (pglL) Date Digested Date Analyzed CC-1 0.060 ND 5/6/98 5/8/98 HC-1 0.054 0.018 5/6/98 5/8/98 BIG-1 ND ND 5/6/98 5/8/98 RC-I 0 0.201 0.082 5/6/98 5/8/98 RC-5 0.249 0.106 5/6/98 5/8/98 RC-3 0.159 0.053 5/6/98 5/8/98 RC-7 0.295 0.126 5/6/98 5/8/98 RC-2 0.284 0.107 5/6/98 5/8/98 VP-1 1.66 0.01 5 5/6/98 5/8/98 SP-23 0.220 5/6/98 5/8/98 RC-11 0.139 - 5/6/98 5/8/98 R L 0.01 1 0.01 1 ND = Lead concentration in sample found to be less than the RL. Matrix: Waters Date Received: 5/6/98

Sample Results for <strong>Dames</strong> and <strong>Moore</strong><br />

Reported by Frontier Geosciences Inc.<br />

Sample ID Total Pb (pglL) Diss. Pb (pglL) Date Digested Date Analyzed<br />

CC-1 0.060 ND 5/6/98 5/8/98<br />

HC-1 0.054 0.018 5/6/98 5/8/98<br />

BIG-1 ND ND 5/6/98 5/8/98<br />

RC-I 0 0.201 0.082 5/6/98 5/8/98<br />

RC-5 0.249 0.106 5/6/98 5/8/98<br />

RC-3 0.159 0.053 5/6/98 5/8/98<br />

RC-7 0.295 0.126 5/6/98 5/8/98<br />

RC-2 0.284 0.107 5/6/98 5/8/98<br />

VP-1 1.66 0.01 5 5/6/98 5/8/98<br />

SP-23 0.220 5/6/98 5/8/98<br />

RC-11 0.139 - 5/6/98 5/8/98<br />

R L 0.01 1 0.01 1<br />

ND = Lead concentration in sample found to be less than the RL.<br />

Matrix: Waters Date Received: 5/6/98

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