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← Document results/DEP Box 63/17 April 3, 2002 NEWQ AE04946 - AE05062
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Water metal analysis results, April 3, 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 3, 2002.

NYC-WTC_000077942–000077989

Folder label: “17 April 3, 2002 NEWQ AE04946 - AE05062

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: ICV CALBK Sample DateZTime: Wednesday, April 03,2002 11:48:41 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\eIandata\Dataset\new york city\ICV CAL BK.382 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 6.667 37.749 -0.000 -0.01546 36.51 ug/L |> Sc-1 45 537889.781 3.297 537889.781 ug/L Cr 52 8514.071 1.717 0.001 0.04576 39.66 ug/L I Cr 53 696.367 4.098 -0.000 -0.03929 108.09 ug/L I Mn 55 724.036 6.343 -0.000 -0.00228 66.82 ug/L I N1 60 75.001 9.333 -0.000 -0.00487 47.50 ug/L I Cu 63 225.338 7.351 0.000 0.00066 256.41 ug/L L Cu 65 117.669 11.570 0.000 0.00090 586.56 ug/L r Zn 66 589.692 4.589 0.000 0.01960 95.85 ug/L Zn 67 127.336 10.006 -0.000 -0.05471 75.96 ug/L I Zn 68 469.350 0.961 0.000 0.02020 19.55 ug/L |> Ge 72 101629.036 1.776 101629.036 ug/L As 75 164.402 22.928 0.000 0.00570 331.47 ug/L I Se 77 141.003 2.837 0.000 0.04129 82.44 ug/L L Se 82 169.337 7.616 0.000 0.02303 283.04 ug/L r Ag 107 761.039 3.189 -0.001 -0.11307 3.20 ug/L I Cd 111 1054.825 6.110 -0.000 -0.00057 2487.76 ug/L I Cd 114 112.283 6.181 -0.000 -0.00676 20.40 ug/L i> in 115 1390548.401 2.356 1390548.401 ug/L I Sb 121 99.002 21.852 -0.000 -0.01132 18.92 ug/L L Sb 123 74.057 13.716 -0.000 -0.01125 11.47 ug/L r Ba 135 98.002 6.691 0.000 0.00046 441.80 ug/L 1 Ba 137 156.670 9.301 -0.000 -0.00359 64.18 ug/L l> Tb 159 1948615.217 1.563 1948615.217 ug/L I Ho 165 1944372.803 2.614 0.031 ug/L 1 T1 205 615.360 4.035 -0.000 -0.00551 21.63 ug/L L Pb 208 1976.436 2.089 -0.000 -0.00387 47.60 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 |> Sc-1 45 94.458 I Cr 52 Cr 53 Mn 55

Sample ID: ICV CALBK Report DatefTime: Wednesday, April 03, 2002 11:57:51 Page 1

NYC-WTC_000077948

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