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← Document results/DEP Box 63/13 March 28, 2002 NEWN AE05235 - AE05700
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Water metal analysis results, March 28, 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 March 28, 2002.

NYC-WTC_000077705–000077757

Folder label: “13 March 28, 2002 NEWN AE05235 - AE05700

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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: Thursday, March 28, 2002 13:36:21 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.259 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 rBe 9 16195.580 2.314 0.027 33.32039 6.13 ug/L i> Se-I 45 594960.201 4.212 594960.201 ug/L I Cr 52 342097.500 3.003 0.558 29.83685 6.75 ug/L I Cr 53 38379.908 1.536 0.063 27.47699 3.28 ug/L I Mn 55 566700.030 0.729 0.952 31.75768 3.58 ug/L Ni 60 87446.668 2.884 0.147 29.66576 6.71 ug/L I Cu 63 196637.537 2.740 0.330 29.97582 2.64 ug/L L Cu 65 97241.738 1.927 0.163 29.09559 5.76 ug/L r Zn 66 62123.195 1.645 0.531 27.73766 1.64 ug/L I Zn 67 11805.112 0.834 0.101 31.10981 2.35 ug/L I Zn 68 46522.202 0.732 0.398 28.66442 3.78 ug/L i> Ge 72 111931.033 2.976 111931.033 ug/L As 75 65377.401 2.872 0.585 28.31163 5.73 ug/L I Se 77 6136.799 1.354 0.053 29.59316 2.91 ug/L L Se 82 8005.604 1.313 0.071 29.31679 4.15 ug/L r Ag 107 375910.102 1.968 0.231 27.23664 2.18 ug/L 1 Cd 111 99583.056 2.285 0.061 29.95543 2.71 ug/L I Cd 114 222690.014 0.345 0.137 28.14030 1.07 ug/L i> In 115 1623766.897 1.113 1623766.897 ug/L I Sb 121 292994.869 1.057 0.180 28.31678 0.44 ug/L L Sb 123 226055.271 2.241 0.139 28.39648 2.30 ug/L r Ba 135 94865.404 1.361 0.046 ?! •30 3.42 ug/L I Ba 137 156436.819 1.056 0.075 24.5832 3.08 ug/L |> Tb 159 2071686.934 2.166 2071686.934 ug/L 1 Ho 165 1799545.572 1.660 0.003 ug/L I Ti 205 909370.757 1.677 0.439 30.27310 0.50 ug/L L Pb 208 1273665.423 1.203 0.613 28.09676 1.77 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 i> Se-I 45 82.713 I Cr 52 I Cr 53 I Mn 55

Sample ID: CeV STD1 30PPB Report Date/Time: Thursday, March 28, 2002 13:39:06 Page 1

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