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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: CCV STD2 60+5 PPB Sample Date/Time: Friday, May 24, 2002 12:10:31 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.386 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 22970.214 0.984 0.412 58.90687 1.33 ug/L > Li 6 55771.139 1.718 55771.139 ug/L > Se-1 45 405855.356 0.778 405855.356 ug/L Cr 52 514361.997 1.254 1.252 60.37473 0.49 ug/L Cr 53 60857.641 0.972 0.148 60.26002 0.25 ug/L Mn 55 837484.117 0.728 2.062 59.97075 0.23 ug/L Co 59 601470.509 1.661 1.482 60.77561 0.90 ug/L Ni 60 122380.816 0.816 0.301 60.46206 0.07 ug/L Cu 63 259051.483 0.896 0.638 60.32090 0.49 ug/L Cu 65 124337.884 1.526 0.306 59.43069 0.95 ug/L Zn 66 82584.912 0.423 0.995 59.90201 0.93 ug/L Zn 67 14987.162 1.416 0.180 61.42409 2.25 ug/L Zn 68 61714.738 1.189 0.744 60.10604 1.40 ug/L Ge 72 82325.254 0.950 82325.254 ug/L As 75 114256.752 2.098 1.236 60.69105 2.83 ug/L Se 77 11031.555 2.929 0.115 60.55817 3.30 ug/L Se 82 11299.240 1.944 0.137 60.19462 2.53 ug/L As-1 75 97993.725 1.660 97885.723 52.13567 1.66 ug/L Kr 83 4600.543 1.144 -146.744 ug/L Ag 107 512545.175 0.160 0.460 58.46608 1.55 ug/L Cd 111 138124.468 0.679 0.124 59.42130 1.61 ug/L Cd 114 323566.851 0.699 0.291 59.60951 1.20 ug/L > In 115 1113527.027 1.626 1113527.027 ug/L Sb 121 454201.435 1.045 0.408 60.59320 1.06 ug/L Sb 123 349934.008 1.070 0.314 60.85818 1.30 ug/L Ba 135 128341.615 1.218 0.077 58.96304 1.01 ug/L Ba 137 226194.742 0.587 0.136 59.46292 0.58 ug/L Ho 165 1695641.016 0.733 -0.007 ug/L > Tb 159 1665126.429 0.781 1665126.429 ug/L Hg 201 5872.622 1.544 0.004 4.89603 2.30 ug/L Hg 202 13378.973 1.433 0.008 4.85331 1.64 ug/L TI 205 1513816.621 1.265 0.909 58.68631 1.88 ug/L Pb 208 2094269.424 0.866 1.257 59.42567 0.10 ug/L

Sample ID: CCV STD2 60+5 PPB Report Date/Time: Friday, May 24, 2002 12:12:53 Page 1

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