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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 STD2 60 PPB Sample Date/TIme: Thursday, March 28,2002 13:47:30 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 STD2 60 PPB.260 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 31262.309 0.908 0.049 61.41870 1.72 ug/L i> Se-I 45 632187.945 1.603 632187.945 ug/L I Cr 52 686901.372 4.084 1.070 57.14681 5.56 ug/L I Cr 53 79253.521 2.132 0.124 53.88408 1.96 ug/L I Mn 55 1093706.991 2.946 1.730 57.67592 4.32 ug/L I Ni 60 163803.835 1.804 0.259 52.25680 3.33 ug/L I Cu 63 418772.422 1.363 0.662 60.12915 2.96 ug/L L Cu 65 196600.342 3.445 0.311 55.36131 5.04 ug/L r Zn 66 125734.144 2.544 1.041 54.37411 3.83 ug/L I Zn 67 21988.811 4.172 0.182 55.85257 3.66 ug/L I Zn 68 86525.801 2.116 0.715 51.50784 3.42 ug/L I> Ge 72 118086.922 1.284 118086.922 ug/L I As 75 135094.750 1.331 1.144 55.38870 2.18 ug/L I Se 77 12449.655 4.575 0.104 57.64967 5.44 ug/L L Se 82 15563.471 2.267 0.131 54.36678 3.14 ug/L r AgCd 107 767577.294 0.910 0.474 55.85619 2.47 ug/L I 111 190049.501 2.281 0.117 57.71605 0.72 ug/L I Cd 114 451696.458 1.734 0.279 57.32462 3.32 ug/L i> In 115 1617918.338 1.580 1617918.338 ug/L I Sb 121 603342.020 0.761 0.373 58.54750 2.29 ug/L L Sb 123 448902.095 2.340 0.277 56.59812 . 0.77 ug/L r Ba 135 187978.758 2.253 0.089 52^9327 <5^ '4^50634' by 2.35 ug/L I Ba 137 320530.027 0.517 0.151 0.37 ug/L l> Tb 159 2118848.809 0.176 2118848.809 ug/L I Ho 165 1712397.498 0.606 -0.058 ug/L I Tl 205 1843347.869 2.222 0.870 60.01445 2.21 ug/L L Pb 208 2539058.660 1.104 1.197 54.82397 1.26 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 87.889 I Cr 52 I Cr 53 I Mn 55

Sample ID: cev STD2 60PPB Report Date/Time: Thursday, March 28, 2002 13:50:19 Page 1

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