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← Document results/DEP Box 63/18 April 3, 2002 NEWQ AE05063 - AE05850
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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_000077991–000078100

Folder label: “18 April 3, 2002 NEWQ AE05063 - AE05850

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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: Wednesday, April 03, 2002 14:18:42 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.410 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 23614.890 3.320 0.045 49.03746 6.46 ug/L |> Sc-1 45 530755.869 3.444 530755.869 ug/L I Cr 52 527376.038 1.750 0.978 52.96186 5.16 ug/L I Cr 53 58370.739 1.576 0.109 49.19640 3.72 ug/L I Mn 55 849734.035 1.981 1.600 53.74143 3.15 ug/L I Ni 60 127789.327 1.705 0.241 49.04885 4.65 ug/L I Cu 63 290698.379 3.108 0.547 51.77779 1.58 ug/L L Cu 65 142036.862 3.309 0.268 50.45826 6.52 ug/L r Zn Zn 66 67 94248.677 1.076 2.132 0.901 47.20814 0.77 ug/L 18018.691 0.172 51.21572 0.79 ug/L I Zn 68 70883.668 1.073 0.678 45.82171 2.77 ug/L |> Ge 72 103899.502 1.697 103899.502 ug/L I As 75 101483.476 2.779 0.976 46.12644 4.42 ug/L I Se 77 9056.600 1.679 0.086 49.19401 1.22 ug/L L Se 82 12160.919 2.316 G.116 46.71251 4.09 ug/L r Cd Ag 107 595514.332 2.396 0.402 47.35435 3.95 ug/L I 111 155113.240 1.147 0.104 49.18915 2.55 ug/L I Cd 114 344289.983 0.269 0.233 45.65010 1.50 ug/L i> In 115 1479479.227 1.701 1479479.227 ug/L I Sb 121 481996.867 1.219 0.326 48.37824 1.19 ug/L L Sb 123 375040.334 2.015 0.254 47.52170 3.25 ug/L r Ba 135 148875.968 0.669 0.075 49.14594 1.77 ug/L I Ba 137 248455.670 1.506 0.125 46.40526 3.26 ug/L i> Tb 159 1988457.537 1.778 1988457.537 ug/L 1 Ho 165 1881265.080 6.384 0.051 ug/L I Tl 205 1292480.226 0.754 0.650 46.45787 1.20 ug/L L Pb 208 1830542.571 1.140 0.920 48.68115 2.82 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 96.284 I Cr 52 Cr 53 I Mn 55

Sample ID: LFB 50PPB Report Date/Time: Wednesday, April 03, 2002 14:21:10 Page 1

NYC-WTC_000078005

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