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Water sample metal analysis results, April 9, 2002

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Summary report of water sample analysis using Method 200.8 showing measured intensities and concentrations for various metals.

NYC-WTC_000040341–000040450

Folder label: “ICPMS 4/9/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CCV STD1 30 PPB Sample Date/Time: Tuesday, April 09, 2002 13:20:46 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\CCV STD1 30 PPB.386 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Cone. RSD Sample Unit Be 9 14983.490 1.676 0.029 30.71686 0.69 ug/L > Se-1 45 518989.857 1.354 518989.857 ug/L Cr 52 294620.936 2.619 0.553 30.47854 1.30 ug/L Cr 53 35058.840 2.009 0.066 30.95759 2.53 ug/L Mn 55 460169.690 1.413 0.885 30.18580 0.84 ug/L Ni 60 70034.434 0.604 0.135 29.32451 1.78 ug/L Cu 63 162609.870 1.361 0.313 30.09029 2.08 ug/L Cu 65 80230.948 0.358 0.154 30.07910 1.30 ug/L Zn 66 53159.583 2.776 0.537 30.52744 2.11 ug/L Zn 67 9472.696 2.393 0.095 30.79574 1.69 ug/L Zn 68 39175.622 0.684 0.396 30.39918 0.79 ug/L Ge 72 98103.546 1.464 98103.546 ug/L As 75 59859.046 2.829 0.607 30.08160 2.53 ug/L Se 77 5269.246 1.223 0.052 30.64886 2.62 ug/L Se 82 6889.346 1.761 0.068 29.43603 2.16 ug/L Ag 107 317492.096 1.055 0.234 29.03694 2.52 ug/L In 115 1349573.217 1.531 1349573.217 ug/L Sb 121 274749.377 1.141 0.204 30.49968 1.08 ug/L Sb 123 210189.721 0.964 0.156 30.14587 0.90 ug/L Ba 135 80144.557 1.242 0.044 29.94641 0.54 ug/L Ba 137 140358.682 0.915 0.077 29.87719 0.28 ug/L Ho 165 1799539.504 0.838 -0.007 ug/L > Tb 159 1812884.748 0.731 1812884.748 ug/L TI 205 760483.634 0.699 0.419 30.45809 1.26 ug/L Pb 208 1032540.553 0.836 0.569 30.63586 0.92 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Se-1 45 94.796 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: CCV STD1 30PPB Report Date/Time: Tuesday, April 09,2002 13:23:22 Page 1

NYC-WTC_000040385

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NYC-WTC_000040385Source: NYC Law Department, mirrored locally

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