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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: ICV STD1 30 PPB Sample Date/Time: Thursday, April 04, 2002 12:20:33 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\ICV STD1 30 PPB.204 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 13389.334 4.670 0.028 30.65965 3.28 ug/L i> Sc-1 45 482281.320 2.284 482281.320 ug/L I Cr 52 280441.198 0.872 0.567 29.71731 3.25 ug/L I Cr 53 33441.416 2.234 0.068 29.50871 4.05 ug/L I Mn 55 443485.866 3.167 0.918 28.81989 3.29 ug/L Ni 60 70835.215 3.909 0.147 29.51649 6.27 ug/L I Cu 63 162923.868 4.542 0.338 29.39755 6.33 ug/L L Cu 65 81477.179 2.962 0.169 29.73073 4.00 ug/L r Zn 66 54154.428 2.527 0.568 31.18270 3.53 ug/L I Zn 67 9368.926 4.806 0.098 30.87791 4.28 ug/L I Zn 68 39515.967 6.058 0.414 31.66565 4.58 ug/L i> Ge 72 94590.571 1.489 94590.571 ug/L As 75 58593.398 3.902 0.617 29.48993 3.35 ug/L I Se 77 4947.062 1.534 0.051 29.56167 3.08 ug/L L Se 82 6866.331 4.358 0.071 29.08182 5.56 ug/L r Ag 107 329572.007 4.353 0.237 29.35049 2.94 ug/L i> In 115 1384899.055 1.875 1384899.055 ug/L I Sb 121 272932.780 2.726 0.197 29.57519 4.59 ug/L L Sb 123 210334.262 1.825 0.152 29.94188 3.56 ug/L r Ba 135 82674.733 3.750 0.045 30.96993 2.94 ug/L 1 Ba 137 143308.077 1.934 0.078 30.19777 0.81 ug/L i> Ho 165 1838058.585 2.435 1838058.585 ug/L Tl 205 753145.451 3.776 0.409 30.30605 1.33 ug/L L Pb 208 1043068.495 2.286 0.567 31.40926 3.52 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 1> Se-I 45 93.600 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63 L Cu 65

Sample ID: lev STD1 30PPB Report Date/Time: Thursday, April 04, 2002 12:41:37 Page 1

NYC-WTC_000078159

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