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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: ICV STD1 30+2 PPB Sample Date/Time: Tuesday, May 21, 2002 10:36:57 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 cityMCV STD1 30+2 PPB.207 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 10731.772 1.063 0.213 29.68028 1.48 ug/L Li 6 50270.460 1.370 50270.460 ug/L > Sc-1 45 393169.397 0.538 393169.397 ug/L Cr 52 255914.202 1.098 0.635 29.98514 1.22 ug/L Cr 53 30483.996 0.527 0.076 29.95320 0.21 ug/L Mn 55 419330.029 1.765 1.063 29.88110 1.23 ug/L Co 59 302859.536 2.090 0.770 29.75502 1.76 ug/L Ni 60 62424.251 1.652 0.159 29.55049 1.24 ug/L Cu 63 140537.433 1.053 0.357 29.99540 0.52 ug/L Cu 65 69150.079 1.826 0.176 30.00670 1.29 ug/L Zn 66 45988.161 1.064 0.496 30.04919 1.33 ug/L Zn 67 8247.156 2.445 0.089 30.09052 2.34 ug/L Zn 68 34445.145 0.691 0.372 30.26179 1.76 ug/L > Ge 72 91202.824 1.234 91202.824 ug/L As 75 68028.146 1.307 0.611 29.97606 2.04 ug/L Se 77 6707.973 2.767 0.057 29.93496 4.89 ug/L Se 82 6182.723 5.782 0.069 30.59196 6.09 ug/L As-1 75 53461.947 0.894 53299.277 29.58894 0.90 ug/L Kr 83 4593.873 1.336 -177.427 ug/L Ag 107 304666.760 0.318 0.238 29.45527 1.17 ug/L Cd 111 79861.735 0.991 0.062 30.24319 0.11 ug/L Cd 114 185174.904 1.828 0.145 29.98075 1.13 ug/L > In 115 1279357.357 0.956 1279357.357 ug/L Sb 121 258338.822 2.123 0.202 29.72963 1.39 ug/L Sb 123 198171.844 1.434 0.155 29.75733 0.52 ug/L Ba 135 75062.371 0.602 0.039 29.77998 1.09 ug/L Ba 137 130244.708 0.889 0.067 29.68562 2.03 ug/L Ho 165 1961535.111 0.524 -0.007 ug/L Tb 159 1943421.560 1.620 1943421.560 ug/L Hg 201 2974.183 0.185 0.002 2.06228 1.83 ug/L Hg 202 6707.541 1.395 0.003 2.02429 2.83 ug/L TI 205 914126.251 0.247 0.470 30.14550 1.51 ug/L Pb 208 1242137.389 1.490 0.638 29.97798 1.61 ug/L

Sample ID: ICV STD1 30+2 PPB Report Date/Time: Tuesday, May 21, 2002 10:39:32 Page 1

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