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ICPMS daily performance check report, May 21, 2002

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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: Standard 2 Sample Date/Time: Tuesday, May 21, 2002 10:27:33 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\Standard 2.205 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 22108.073 1.127 0.432 60.05619 2.60 ug/L Li 6 51208.694 1.673 51208.694 ug/L Sc-1 45 399437.135 2.568 399437.135 ug/L Cr 52 514381.227 2.917 1.272 60.04829 2.61 ug/L Cr 53 61463.735 1.801 0.152 60.06571 2.43 ug/L Mn 55 855098.556 2.152 2.138 60.08326 2.40 ug/L Co 59 621915.628 1.694 1.557 60.18198 3.16 ug/L Ni 60 129201.125 1.868 0.323 60.23020 1.04 ug/L Cu 63 285337.081 2.304 0.714 59.99291 1.88 ug/L Cu 65 140312.955 0.656 0.351 59.99922 2.27 ug/L Zn 66 92112.927 1.025 0.995 60.20233 1.19 ug/L Zn 67 16534.860 2.271 0.178 60.37645 1.65 ug/L Zn 68 68380.935 1.538 0.738 60.07081 0.98 ug/L. > Ge 72 91902.595 2.205 91902.595 ug/L As 75 125335.164 0.673 1.229 60.30875 2.21 ug/L Se 77 12018.608 1.890 0.114 60.22941 2.31 ug/L Se 82 12355.440 0.761 0.136 60.21956 1.68 ug/L As-1 75 107954.613 0.473 107791.944 59.84039 0.47 ug/L Kr 83 4698.928 0.768 -72.372 ug/L Ag 107 633854.938 0.263 0.489 60.52091 1.07 ug/L Cd 111 160575.042 0.803 0.124 60.03924 0.76 ug/L Cd 114 375417.902 0.859 0.289 60.01120 0.32 ug/L In 115 1296419.465 1.152 1296419.465 ug/L Sb 121 530870.022 1.028 0.409 60.29844 1.06 ug/L Sb 123 407014.610 1.038 0.314 60.32034 0.39 ug/L Ba 135 151806.545 0.760 0.077 59.59174 0.54 ug/L Ba 137 264102.855 1.536 0.134 59.55010 0.83 ug/L Ho 165 1953408.275 1.143 -0.022 ug/L Tb 159 1964439.310 0.712 1964439.310 ug/L Hg 201 7094.172 1.744 0.004 4.91411 2.16 ug/L Hg 202 16478.085 0.316 0.008 4.95592 0.58 ug/L TI 205 1820650.863 0.463 0.926 59.42139 0.48 ug/L Pb 208 2489606.375 0.527 1.266 59.48715 0.95 ug/L

Sample ID: Standard 2 Report Date/Time: Tuesday, May 21, 2002 10:29:30 Page 1

NYC-WTC_000053946

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