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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 STD2 60 PPB Sample Date/Time: Tuesday, April 09, 2002 14:14:04 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandatalDatasetNEWQINEWQICCV STD2 60 PPB.402 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 Be 9 30316.122 2.529 0.059 63.21015 2.33 ug/L > Se-1 45 510429.329 0.675 510429.329 ug/L Cr 52 568144.120 0.912 1.099 60.52714 1.38 ug/L Cr 53 67676.704 1.840 0.131 61.34472 2.23 ug/L Mn 55 907619.179 1.701 1.776 60.60189 1.99 ug/L Ni 60 139129.202 1.992 0.272 59.24236 1.65 ug/L Cu 63 316216.531 1.826 0.619 59.53177 1.29 ug/L Cu 65 153996.831 3.316 0.301 58.74831 3.26 ug/L Zn 66 101809.618 0.852 1.046 59.43433 0.18 ug/L Zn 67 18349.687 1.581 0.188 60.77194 1.46 ug/L Zn 68 75796.090 0.359 0.779 59.80191 0.62 ug/L Ge 72 96904.398 0.943 96904.398 ug/L As 75 117664.727 0.244 1.211 60.01413 0.72 ug/L Se 77 9958.553 2.565 0.101 59.34909 1.90 ug/L Se 82 13443.734 0.239 0.137 58.94652 0.71 ug/L Ag 107 644739.728 0.945 0.487 60.37979 0.50 ug/L In 115 1320567.069 0.757 1320567.069 ug/L Sb 121 542502.562 1.521 0.411 61.54935 1.39 ug/L Sb 123 416878.379 1.114 0.316 61.10832 1.25 ug/L Ba 135 160175.039 0.517 0.090 61.05628 0.32 ug/L Ba 137 276346.806 0.565 0.155 60.00189 0.17 ug/L Ho 165 1791549.502 1.589 0.008 ug/L > Tb 159 1777989.080 0.586 1777989.080 ug/L T1 205 1488861.869 1.811 0.837 60.81872 1.54 ug/L Pb 208 2040547.243 1.049 1.147 61.78100 0.97 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ' Be 9 > Sc-1 45 93.232 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: CCV STD2 60PPB Report Date/Time: Tuesday, April 09, 2002 14:16:06 Page 1

NYC-WTC_000040417

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NYC-WTC_000040417Source: NYC Law Department, mirrored locally

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