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ICPMS daily performance check report, May 21, 2002

Machine-extracted title · confidence 98%

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

NYC-WTC_000053939–000054155

Folder label: “ICPMS 5/21/02”

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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: Tuesday, May 21,2002 13:18:09 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.243 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 20619.899 0.820 0.426 59.32688 0.33 ug/L Li 6 48335.647 0.951 48335.647 ug/L Se-1 45 368972.005 1.129 368972.005 ug/L Cr 52 471170.701 1.796 1.262 59.53326 1.99 ug/L Cr 53 56474.459 1.440 0.152 59.72359 0.37 ug/L Mn 55 786737.101 1.348 2.129 59.82981 1.18 ug/L Co 59 564798.746 1.852 1.530 59.13750 0.89 ug/L Ni 60 117840.684 0.480 0.319 59.46508 0.89 ug/L Cu 63 258632.639 1.715 0.701 58.86191 1.95 ug/L Cu 65 126380.738 1.197 0.342 58.48335 1.26 ug/L Zn 66 82748.175 2.243 0.982 59.46633 0.11 ug/L Zn 67 14848.603 2.398 0.176 59.62749 1.83 ug/L Zn 68 62494.365 0.692 0.742 60.39586 2.15 ug/L Ge 72 83559.566 2.328 83559.566 ug/L As 75 112477.304 0.467 1.212 59.44653 2.79 ug/L Se 77 10704.533 2.664 0.111 58.80145 0.71 ug/L Se 82 11216.958 0.293 0.135 60.13625 2.21 ug/L As-1 75 97104.506 0.719 96941.836 53.81698 _ 0.72 ug/L Kr 83 4305.396 1.503 -465.904 ug/L Ag 107 572597.432 0.807 0.486 60.22494 1.11 ug/L Cd 111 143800.895 0.934 0.122 59.23309 1.66 ug/L Cd 114 338892.281 1.160 0.288 59.67448 0.23 ug/L > In 115 1176843.800 0.935 1176843.800 ug/L Sb 121 480341.365 1.100 0.408 60.09956 0.33 ug/L Sb 123 370431.622 1.110 0.315 60.48077 1.66 ug/L Ba 135 139413.708 1.396 0.079 60.55363 1.23 ug/L Ba 137 243818.519 0.693 0.137 60.83252 0.26 ug/L Ho 165 1817888.685 0.398 0.008 ug/L Tb 159 1775413.239 0.734 1775413.239 ug/L Hg 201 6533.079 1.425 0.004 5.00743 0.75 ug/L Hg 202 14741.757 0.344 0.008 4.90548 0.53 ug/L TI 205 1669166.467 1.746 0.940 60.27577 1.40 ug/L Pb 208 2271197.942 1.045 1.278 60.04403 0.53 ug/L

Sample ID: CCV STD2 60+5 PPB Report Date/Time: Tuesday, May 21,2002 13:20:33 Page 1

NYC-WTC_000054060

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