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← Document results/DEP Box 63/12 March 25, 2002 NEWN AE04805 - AE05233
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Water metal analysis results, March 25, 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 25, 2002.

NYC-WTC_000077674–000077703

Folder label: “12 March 25, 2002 NEWN AE04805 - AE05233

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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 STD1 30 PPB Sample Date/Time: Monday, March 25, 2002 16:14:48 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 STD1 30 PPB.234 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 16268.384 3.430 0.029 33.08233 5.89 ug/L |> Sc-1 45 553635.327 2.663 553635.327 ug/L I Cr 52 301689.745 1.312 0.530 29.09213 4.13 ug/L 1 Cr 53 36886.389 1.060 0.066 28.20093 3.77 ug/L I Mn 55 478413.744 0.999 0.863 29.00566 3.21 ug/L I Ni 60 81787.524 2.206 0.148 29.94449 4.85 ug/L 1 Cu 63 182324.647 3.360 0.328 28.70279 1.04 ug/L L Cu 65 84492.641 3.433 0.152 27.62859 6.15 ug/L r Zn 66 69177.231 0.503 0.684 30.41919 1.87 ug/L I Zn 67 11530.092 2.322 0.114 32.08985 3.06 ug/L 1 Zn 68 52228.485 1.768 0.516 31.89642 4.00 ug/L i> Ge 72 100186.205 2.255 100186.205 ug/L I As 75 62439.827 2.110 0.624 30.29921 4.34 ug/L Se 77 5636.471 2.624 0.055 29.06735 1.62 ug/L L Se 82 7858.807 0.357 0.077 31.40850 2.51 ug/L r Ag 107 357007.163 2.889 0.251 29.27227 4.34 ug/L I Cd 111 89941.846 1.586 0.063 30.63437 2.66 ug/L I Cd 114 222187.883 0.808 0.156 30.89100 1.17 ug/L I; In 115 1420892.809 1.919 1420892.809 ug/L 1 Sb 121 277068.499 2.195 0.195 30.10732 1.94 ug/L L Sb 123 212109.512 1.930 0.149 30.45351 3.64 ug/L r Ba 135 84820.041 0.516 0.044 29.22277 2.83 ug/L I Ba 137 154215.825 1.743 0.079 29.35583 2.18 ug/L |> Tb 159 1944316.743 2.680 1944316.743 ug/L I Ho 165 1904941.536 6.429 0.076 ug/L I Tl 205 901836.727 3.029 0.464 30.90476 0.90 ug/L L Pb 208 1176605.836 1.096 0.602 29.91085 2.03 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 95.708 1 Cr 52 I Cr 53 I Mn 55

Sample ID: CeV STD1 30PPB Report Date/Time: Monday, March 25, 2002 16:16:11 Page 1

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