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ICPMS daily performance check report, May 16, 2002

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 16, 2002.

NYC-WTC_000053706–000053937

Folder label: “ICPMS 5/16/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: ICV STD1 30+2 PPB Sample Date/Time: Thursday, May 16, 2002 09:42:34 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york citICV STD1 30+2 PPB. 130 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 12026.072 2.348 0.209 ' 29.68961 0.69 ug/L . Li 6 57452.941 2.253 57452.941 ug/L . Se-1 45 460852.800 1.294 460852.800 ug/L Cr 52 297551.775 2.964 0.631 29.65347 1.94 ug/L Cr 53 34590.708 1.698 0.073 28.98331 0.42 ug/L Mn 55 492532.433 1.503 1.065 29.97325 1.63 ug/L Co 59 348674.927 0.984 0.756 29.48499 1.85 ug/L Ni 60 73492.737 2.639 0.159 30.25883 2.10 ug/L Cu 63 157688.692 1.755 0.342 29.68282 0.74 ug/L Cu 65 77110.111 1.166 0.167 29.60620 0.22 ug/L Zn 66 52004.179 0.879 0.504 29.31021 0.41 ug/L Zn 67 9169.048 2.145 0.089 29.24660 2.69 ug/L Zn 68 39325.603 0.762 0.381 29.82997 0.58 ug/L >. Ge 72 101643.761 0.574 101643.761 ug/L As 75 67459.925 1.669 0.614 29.63191 1.34 ug/L Se 77 6606.437 0.994 0.058 29.94444 1.29 ug/L Se 82 7089.084 1.235 0.070 30.51934 0.98 ug/L As-1 75 60042.269 1.831 59844.265 29.18804 1.84 ug/L Kr 83 1949.562 2.566 -79.351 ug/L Ag 107 340371.807 2.399 0.244 29.61844 1.47 ug/L Cd 111 86781.476 1.214 0.062 29.83199 1.12 ug/L Cd 114 204132.052 1.034 0.146 29.99716 0.58 ug/L > In 115 1392818.212 0.973 1392818.212 ug/L Sb 121 278450.247 1.675 0.200 29.56881 0.96 ug/L Sb 123 213116.855 0.407 0.153 29.50174 0.58 ug/L Ba 135 81768.261 1.072 0.041 29.06865 1.09 ug/L Ba 137 143898.411 0.858 0.072 29.31959 0.54 ug/L Ho 165 2038354.035 1.147 0.007 ug/L > Tb 159 1991442.330 0.613 1991442.330 ug/L Hg 201 3107.896 0.484 0.002 1.99293 0.39 ug/L Hg 202 7071.487 1.951 0.004 1.99445 1.54 ug/L TI 205 932954.104 1.768 0.468 28.87026 , 1.78 ug/L Pb 208 1273445.378 1.489 0.638 * 1.86 ug/L

Sample ID: ICV STD1 30+2 PPB Report Date/Time: Thursday, May 16, 2002 09:45:30 Page 1

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