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ICPMS daily performance check report, May 24, 2002

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 24, 2002.

NYC-WTC_000054375–000054546

Folder label: “ICPMS 5/24/02

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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 STD2 60+5 PPB Sample Date/Time: Friday, May 24, 2002 09:17:52 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 cityICV STD2 60+5 PPB.352 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 24820.086 0.902 0.419 59.88216 0.48 ug/L Li 6 59268.186 1.359 59268.186 ug/L Se-1 45 445785.519 0.555 445785.519 ug/L Cr 52 565097.529 0.810 1.251 60.34792 1.20 ug/L Cr 53 67597.742 0.894 0.150 61.08624 0.94 ug/L Mn 55 929210.734 0.631 2.083 60.58181 0.37 ug/L Co 59 662509.013 2.226 1.486 60.94228 1.92 ug/L Ni 60 134878.100 1.877 0.302 60.67458 1.83 ug/L Cu 63 288728.223 1.122 0.647 61.21007 0.88 ug/L Cu 65 139862.055 0.222 0.313 60.86632 0.76 ug/L Zn 66 92465.145 1.016 0.991 59.67186 1.20 ug/L Zn 67 16357.535 1.368 0.175 59.66901 0.58 ug/L Zn 68 68900.192 1.861 0.738 59.65990 0.94 ug/L Ge 72 92447.630 0.931 92447.630 ug/L As 75 124535.280 0.567 1.213 59.57993 1.12 ug/L Se 77 12061.075 0.419 0.114 59.80189 1.53 ug/L Se 82 12305.796 1.978 0.137 59.90238 2.82 ug/L As-1 75 107430.474 0.835 107320.805 57.16097 0.84 ug/L Kr 83 4819.659 1.376 -337.188 ug/L Ag 107 573278.187 0.396 0.469 59.62774 1.10 ug/L Cd 111 152897.942 0.665 0.125 60.05643 0.73 ug/L Cd 114 361485.420 0.465 0.296 60.81142 1.51 ug/L > In 115 1219412.974 1.188 1219412.974 ug/L Sb 121 494661.516 1.628 0.406 60.25589 1.16 ug/L Sb 123 382700.928 1.138 0.314 60.77107 0.29 ug/L Ba 135 142073.684 0.779 0.079 60.49412 0.86 ug/L Ba 137 247442.591 0.879 0.138 60.28318 1.04 ug/L Ho 165 1827699.655 1.036 0.005 ug/L > Tb 159 1796690.807 0.175 1796690.807 ug/L Hg 201 6397.314 1.359 0.004 4.94193 1.53 ug/L Hg 202 14536.093 1.719 0.008 4.89138 1.88 ug/L n 205 1676436.806 1.411 0.933 60.23211 1.59 ug/L Pb 208 2292328.053 1.082 1.275 60.28118 1.14 ug/L

Sample ID: ICV STD2 60+5 PPB Report Date/Time: Friday, May 24, 2002 09:20:20 Page 1

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