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← Document results/DEP Box 63/14 April 1st, 2002 NEWN AE05701 - AE06047
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Water metal analysis results, April 1, 2002

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Laboratory report from Westchester County Dept of Labs and Research detailing Method 200.8 metal concentrations in water samples dated April 1, 2002.

NYC-WTC_000077759–000077812

Folder label: “14 April 1st, 2002 NEWN AE05701 - AE06047”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CeV STD1 30 PPB Sample Date/Time: Monday, April 01, 2002 15:45:40 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\CCV STD1 30 PPB.285 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit r Be 9 8999.543 1.054 0.021 32.67824 0.79 ug/L i> Sc-1 45 427489.433 0.288 427489.433 ug/L I Cr 52 238486.729 1.352 0.536 28.11795 1.31 ug/L I Cr 53 29888.351 0.598 0.068 29.07881 0.81 ug/L I Mn 55 391533.857 2.636 0.915 30.20259 2.61 ug/L 1 Ni 60 61572.112 1.310 0.144 28.93517 1.45 ug/L I Cu 63 146491.787 1.363 0.342 29.47726 1.66 ug/L L Cu 65 67663.894 0.681 0.158 27.32854 0.97 ug/L r Zn 66 50116.973 2.143 0.573 32.45652 3.70 ug/L I Zn 67 8691.241 2.541 0.099 30.86206 1.52 ug/L I Zn 68 36282.642 2.040 0.415 32.20101 3.41 ug/L I > Ge 72 83816.496 1.384 83816.496 ug/L As 75 50173.136 0.470 0.597 28.70099 0.96 ug/L I Se 77 4784.640 0.841 0.055 30.63964 2.09 ug/L L Se 82 6248.210 2.692 0.073 30.72130 2.71 ug/L r Ag 107 285360.081 1.682 0.234 29.73464 4.31 ug/L I Cd 111 74706.575 1.670 0.061 29.77513 3.08 ug/L I Cd 114 183557.435 0.863 0.151 31.43504 3.62 ug/L |> In 115 1216429.301 2.905 1216429.301 ug/L 1 Sb 121 254048.394 2.173 0.209 30.09223 1.62 ug/L L Sb 123 190386.001 1.084 0.157 29.56345 1.99 ug/L r Ba 135 77113.989 3.110 0.043 29.62499 1.69 ug/L I Ba 137 137167.127 0.695 0.076 29.92646 1.78 ug/L i> Tb 159 1804722.144 1.622 1804722.144 ug/L I Ho 165 1731650.608 1.108 -0.047 ug/L Tl 205 724866.960 0.940 0.402 30.31410 / 0.68 ug/L L Pb 208 973547.358 1.040 0.538 29.86391 / 0.79 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 i> Sc-1 45 110.267 Cr 52 I Cr 53 I Mn 55

Sample ID: CeV STD1 30 PPB Report Date/Time: Monday, April 01, 2002 15:48:05 Page 1

NYC-WTC_000077809

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