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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: QCS 50 PPB Sample Date/Time: Wednesday, April 03, 2002 14:15:31 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\QCS 50 PPB.409 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 25184.441 2.936 0.047 52.29131 2.42 ug/L |> Sc-1 45 530023.879 0.722 530023.879 ug/L I Cr 52 525484.973 2.824 0.975 52.78484 3.19 ug/L I Cr 53 61578.102 4.717 0.115 51.95588 4.08 ug/L I Mn 55 817051.042 2.501 1.540 51.72151 3.23 ug/L Ni 60 133744.675 2.428 0.252 51.35027 1.72 ug/L I Cu 63 279220.513 0.976 0.526 49.79355 0.98 ug/L L Cu 65 146087.374 1.465 0.275 51.89940 2.15 ug/L r Zn 66 97194.663 2.529 0.951 49.80606 3.17 ug/L I Zn 67 17504.033 4.473 0.171 50.87110 3.92 ug/L I Zn 68 74807.339 1.830 0.732 49.46765 2.42 ug/L i> Ge 72 101598.936 0.701 101598.936 ug/L 1 As 75 108537.580 2.157 1.067 50.43596 2.72 ug/L I Se 77 9122.334 2.534 0.088 50.70070 3.29 ug/L L Se 82 12499.715 2.015 0.121 49.11573 2.62 ug/L r Ag 107 620590.301 1.301 0.433 50.95216 1.98 ug/L I Cd 111 155134.741 1.314 0.108 50.80232 0.62 ug/L I Cd 114 359669.324 3.853 0.251 49.26091 5.05 ug/L |> In 115 1432644.859 1.227 1432644.859 ug/L I Sb 121 472680.636 1.285 0.330 48.99925 2.46 ug/L L Sb 123 383237.183 0.416 0.267 50.13638 0.85 ug/L r Ba 135 147306.397 0.967 0.076 50.14298 1.40 ug/L Ba 137 260592.423 4.262 0.135 50.17361 3.84 ug/L 1> Tb 159 1928103.196 0.448 1928103.196 ug/L I Ho 165 1773637.201 0.461 0.025 ug/L I Tl 205 1315465.804 1.578 0.682 48.75716 1.15 ug/L L Pb 208 1812790.172 0.785 0.939 49.70250 0.34 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 96.151 I Cr 52 I Cr 53 I Mn 55

Sample ID: QCS 50PPB Report Date/Time: Wednesday, April 03,200214:21:08 Page 1

NYC-WTC_000078003

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