ICPMS daily performance check report, May 22, 2002

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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 STD2 60+5 PPB Sample Date/Time: Wednesday, May 22, 2002 12:09:07 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 STD2 60+5 PPB.314 Aliquot Volume (mL): Diluted To Volume (mL):

Analyte Mass Be 9 Li 6 Se-1 45 Cr 52 Cr 53 Mn 55 Co 59 Ni 60 Cu 63 Cu 65 Zn 66 Zn 67 Zn 68 > Ge As 75 Se 77 Se 82 As-1 75 Kr 83 Ag 107 Cd 111 Cd 114 In 115 Sb 121 Sb 123 Ba 135 Ba 137 Ho 165 Tb 159 Hg 201 Hg 202 TI 205 Pb 208 Concentration Results Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit 20240.378 1.173 0.429 59.66754 0.48 ug/L 47140.058 1.464 47140.058 ug/L 361170.019 0.561 361170.019 ug/L 457394.450 1.990 1.250 60.42775 1.53 ug/L 54172.562 2.983 0.148 59.90070 3.21 ug/L 752738.261 0.890 2.081 60.71723 0.46 ug/L 542545.965 1.604 1.502 60.49412 1.61 ug/L 111329.446 1.759 0.308 59.51000 1.47 ug/L 244222.950 1.023 0.676 59.45198 0.88 ug/L 121048.112 0.458 0.335 59.88636 0.80 ug/L 79207.780 2.015 0.973 58.70403 3.43 ug/L 14128.446 1.078 0.173 58.82407 0.43 ug/L 59034.985 0.333 0.725 58.47003 1.53 ug/L 72 80873.663 1.509 80873.663 ug/L 108044.061 1.444 1.199 59.48772 3.07 ug/L 10378.218 1.116 0.111 60.11578 2.99 ug/L 10574.340 1.690 0.131 59.92273 3.17 ug/L 93093.189 1.154 92936.186 54.21033 1.16 ug/L 4154.991 1.793 -487.242 ug/L 546634.468 1.526 0.482 60.13144 2.85 ug/L 138930.658 0.989 0.123 59.67869 2.04 ug/L 325662.638 1.819 0.288 59.19903 0.56 ug/L 1132459.776 2.193 1132459.776 ug/L 470497.356 1.328 0.415 61.38320 0.87 ug/L 360916.234 1.695 0.319 61.11673 0.50 ug/L 134322.783 0.879 0.077 59.18775 0.89 ug/L 235953.900 1.397 0.135 59.48954 2.00 ug/L 1749525.979 0.848 0.003 ug/L 1741896.985 1.270 1741896.985 ug/L 6368.961 0.327 0.004 4.92434 1.53 ug/L 14399.874 1.054 0.008 4.93363 0.54 ug/L 1607903.209 1.914 0.923 59.04464 2.23 ug/L 2196916.474 0.785 1.260 59.43796/ 0.63 ug/L

Sample ID: CCV STD2 60+5 PPB Report Date/Time: Wednesday, May 22, 2002 12:11:29 Page 1

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 21, 2002.

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