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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 15:34:44 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 STD2 60 PPB.418 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 30189.348 0.856 0.058 61.69188 1.28 ug/L > Se-1 45 520844.918 1.046 520844.918 ug/L Cr 52 579411.156 1.221 1.098 60.48973 0.69 ug/L Cr 53 67539.298 0.231 0.128 59.98335 1.18 ug/L Mn 55 907116.682 1.293 1.740 59.35583 1.46 ug/L Ni 60 142022.642 1.310 0.273 59.26596 0.51 ug/L Cu 63 321292.605 1.111 0.616 59.28119 0.85 ug/L Cu 65 158425.930 2.404 0.304 59.22535 1.57 ug/L Zn 66 103075.192 1.725 1.049 59.59736 2.32 ug/L Zn 67 18417.829 2.294 0.187 60.39568 0.72 ug/L Zn 68 76079.113 0.588 0.774 59.44526 1.44 ug/L > Ge 72 97857.597 1.620 97857.597 ug/L As 75 118432.516 1.148 1.207 59.81778 0.70 ug/L Se 77 10195.149 0.674 0.103 60.19045 1.27 ug/L Se 82 13669.074 1.753 0.138 59.36116 2.05 ug/L Ag 107 645820.822 1.427 0.481 59.62838 0.90 ug/L > In 115 1339473.086 1.554 1339473.086 ug/L Sb 121 546466.246 0.674 0.408 61.12916 0.89 ug/L Sb 123 420118.917 1.188 0.314 60.71512 0.63 ug/L Ba 135 160699.999 2.334 0.089 60.37282 0.92 ug/L Ba 137 277208.793 1.230 0.154 59.32783 0.51 ug/L Ho 165 1803948.953 1.457 -0.000 ug/L Tb 159 1803895.084 1.738 1803895.084 ug/L TI 205 1517508.496 2.034 0.841 61.10031 1.14 ug/L Pb 208 2056772.841 1.606 1.139 61.37901 0.63 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 95.135 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: CCV STD2 60 PPB Report Date/Time: Tuesday, April 09,2002 15:36:48 Page 1

NYC-WTC_000040449

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NYC-WTC_000040449Source: NYC Law Department, mirrored locally

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