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← Document results/DEP Box 63/15 April 2nd, 2002 NEWN AE06048 - AE06754
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Water metal analysis results, April 2, 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 2, 2002.

NYC-WTC_000077814–000077891

Folder label: “15 April 2nd, 2002 NEWN AE06048 - AE06754

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: LFB 50 PPB Sample Date/TIme: Tuesday, April 02, 2002 13:21:25 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\LFB 50 PPB.323 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results /Mialyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit r Be 9 21591.833 1.993 0.040 50.16639 2.14 ug/L I> Sc-1 45 537370.187 1.870 537370.187 ug/L I Cr 52 517581.102 1.462 0.948 50.07376 0.82 ug/L I Mn 55 816804.742 1.871 1.518 49.52782 2.39 ug/L I Ni 60 130537.859 2.460 0.243 50.65657 1.22 ug/L I Cu 63 292767.727 0.150 0.545 49.52430 1.90 ug/L L Cu 65 144960.331 1.971 0.270 49.66678 0.10 ug/L r Zn 66 97715.721 1.357 0.921 50.48699 2.77 ug/L I Zn 67 17058.161 1.146 0.160 50.10152 1.47 ug/L 1> Ge 72 105342.432 2.402 105342.432 ug/L I As 75 108675.251 0.878 1.030 50.72296 1.67 ug/L 1 Se 77 9097.975 0.750 0.085 49.59517 3.15 ug/L L Se 82 12135.551 2.056 0.114 49.85238 0.45 ug/L r Ag 107 620850.405 0.541 0.412 51.23833 0.62 ug/L 1 Cd 111 153673.883 0.368 0.101 49.45872 0.82 ug/L 1 Cd 114 365445.671 1.252 0.243 49.53349 1.43 ug/L i> In 115 1505617.043 0.479 1505617.043 ug/L I Sb 121 500012.950 0.934 0.332 48.36203 0.86 ug/L L Sb 123 387116.731 0.767 0.257 48.79264 1.23 ug/L r Ba 135 155330.889 1.648 0.078 48.15897 0.84 ug/L I Ba 137 271828.556 1.268 0.136 48.08988 0.47 ug/L i> Tb 159 1994275.805 0.815 1994275.805 ug/L I Ho 165 1701723.413 1.046 -0.012 ug/L I Tl 205 1405648.815 1.746 0.704 48.25598 0.96 ug/L L Pb 208 1911013.463 1.383 0.957 48.93013// 0.71 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 96.790 Cr 52 Mn 55 Ni 60 Cu 63 L Cu 65

Sample ID: LFB 50 PPB Report Date/TIme: Tuesday, April 02. 2002 13:23:35 Page 1

NYC-WTC_000077828

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NYC-WTC_000077828Source: NYC Law Department, mirrored locally

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