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ICPMS daily performance check report, May 22, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 22, 2002.

NYC-WTC_000054157–000054373

Folder label: “ICPMS 5/22/02”

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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+2 PPB Sample Date/Time: Wednesday, May 22, 2002 15:17:03 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: c:\winnt\profiles\lrd1\elandata\Method\_NEWN.mth Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york city\CCV STD1 30+2 PPB.345 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 9837.086 2.004 0.209 28.98800 2.50 ug/L Li 6 47142.062 1.143 47142.062 ug/L > Se-1 45 338610.509 2.247 338610.509 ug/L Cr 52 222022.495 3.793 0.640 30.92015 3.46 ug/L Cr 53 26501.863 3.150 0.077 30.93313 2.14 ug/L Mn 55 375675.750 5.381 1.106 32.27374 3.84 ug/L Co 59 262721.314 2.795 0.776 31.24464 3.16 ug/L Ni 60 54061.894 2.802 0.160 30.82823 3.98 ug/L Cu 63 119577.926 1.426 0.353 31.04645 3.56 ug/L Cu 65 58971.785 4.077 0.174 31.09826 3.90 ug/L Zn 66 38861.950 1.273 0.496 29.91065 1.57 ug/L Zn 67 6925.039 0.637 0.088 29.92261 1.76 ug/L Zn 68 29095.786 1.665 0.371 29.93329 1.77 ug/L > Ge 72 77326.652 1.840 77326.652 ug/L As 75 58348.656 0.492 0.617 30.62403 1.68 ug/L Se 77 5726.134 1.568 0.057 30.71844 1.58 ug/L Se 82 5095.985 2.691 0.066 30.24166 3.88 ug/L As-1 75 45327.176 0.729 45170.173 26.34808 0.73 ug/L Kr 83 4162.328 1.268 -479.905 ug/L Ag 107 251613.742 0.674 0.234 29.16540 1.58 ug/L Cd 111 66470.148 1.412 0.062 30.11921 0.89 ug/L Cd 114 154723.876 0.200 0.144 29.68339 2.28 ug/L > In 115 1073199.566 2.191 1073199.566 ug/L Sb 121 221703.863 1.017 0.207 30.51980 1.26 ug/L Sb 123 170204.431 1.517 0.159 30.41182 1.27 ug/L Ba 135 63807.185 2.240 0.038 29.46698 2.77 ug/L Ba 137 111450.533 1.395 0.067 29.45329 1.93 ug/L Ho 165 1697184.946 1.165 0.020 ug/L > Tb 159 1661371.444 0.531 1661371.444 ug/L Hg 201 2484.698 2.026 0.001 2.00030 1.76 ug/L Hg 202 5693.840 1.537 0.003 2.03211 1.96 ug/L Tl 205 772586.982 0.604 0.465 29.73263 0.98 ug/L Pb 208 1057898.433 0.585 0.636 29.98413 0.75 ug/L

Sample ID: CCV STD1 30+2 PPB Report Date/Time: Wednesday, May 22, 2002 15:19:25 Page 1

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