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← Document results/DEP Box 63/20 April 4, 2002 NEWQ AE05965 - AE06336
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Water metal analysis results, April 4, 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 4, 2002.

NYC-WTC_000078151–000078232

Folder label: “20 April 4, 2002 NEWQ AE05965 - AE06336

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: QCS 50 PPB Sample Date/Time: Thursday, April 04, 2002 12:29:54 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\QCS 50 PPB.206 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 21664.052 5.584 0.045 50.25020 5.17 ug/L |> Sc-1 45 476265.245 0.441 476265.245 ug/L Cr 52 462872.030 3.694 0.957 50.18037 4.19 ug/L 1 Cr 53 55822.627 4.268 0.116 50.17994 4.60 ug/L 1 Mn 55 745335.565 3.798 1.563 49.08776 4.15 ug/L I Ni 60 119409.000 4.516 0.251 50.35175 4.70 ug/L I Cu 63 270860.376 4.029 0.568 49.48383 4.42 ug/L L Cu 65 133054.638 2.392 0.279 49.16817 2.16 ug/L r Zn 66 86845.001 3.294 0.943 51.79545 6.36 ug/L I Zn 67 14673.988 3.234 0.159 50.16004 5.00 ug/L I Zn 68- 61763.144 2.662 0.670 51.29399 5.73 ug/L I > Ge 72 91743.815 3.117 91743.815 ug/L As 75 98482.686 2.343 1.072 51.19766 1.98 ug/L I Se 77 8303.542 3.011 0.089 51.71469 2.85 ug/L L Se 82 11605.856 2.493 0.125 51.16253 2.41 ug/L r Ag 107 564472.767 4.683 0.417 51.59816 4.38 ug/L i> In 115 1351198.167 2.008 1351198.167 ug/L I Sb 121 464286.841 2.595 0.344 51.55872 2.54 ug/L L Sb 123 362040.460 2.353 0.268 52.84599 4.17 ug/L r Ba 135 135175.088 3.608 0.073 50.52969 2.15 ug/L I Ba 137 236904.744 3.149 0.129 49.80905 1.22 ug/L 1> Ho 165 1842224.186 1.976 1842224.186 ug/L 1 Tl 205 1299696.355 1.811 0.705 52.20813 0.27 ug/L L Pb 208 1675700.791 2.465 0.909 50.38281 4.42 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 l> Sc-1 45 92.432 I Cr 52 I Cr 53 I Mn 55 Ni 60 1 Cu 63 L Cu 65

Sample ID: QCS 50PPB Report Date/Time: Thursday, April 04, 2002 12:41:40 Page 1

NYC-WTC_000078163

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NYC-WTC_000078163Source: NYC Law Department, mirrored locally

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