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ICPMS daily performance check report, May 22, 2002

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 22, 2002.

NYC-WTC_000054157–000054373

Folder label: “ICPMS 5/22/02

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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: Wednesday, May 22, 2002 09:41:00 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\ICV STD2 60+5 PPB.280 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 21515.314 1.209 0.436 60.66141 1.01 ug/L Li 6 49286.737 0.484 49286.737 ug/L > Se-1 45 389557.405 2.321 389557.405 ug/L Cr 52 491526.858 1.058 1.246 60.22811 2.72 ug/L Cr 53 58407.991 1.881 0.148 59.90822 3.93 ug/L Mn 55 801221.649 1.744 2.054 59.92451 0.98 ug/L Co 59 581990.210 1.681 1.494 60.16859 0.65 ug/L Ni 60 121229.665 1.775 0.311 60.08770 0.99 ug/L Cu 63 269899.436 1.843 0.692 60.92127 0.91 ug/L Cu 65 131440.377 2.367 0.337 60.30345 2.81 ug/L Zn 66 85785.425 1.410 0.980 59.13089 2.18 ug/L Zn 67 15355.112 1.352 0.175 59.47277 1.42 ug/L Zn 68 63937.356 0.251 0.730 58.91668 2.88 ug/L > Ge 72 86961.336 2.653 86961.336 ug/L As 75 116186.690 2.714 1.199 59.48977 2.90 ug/L Se 77 11092.004 0.619 0.110 59.70261 2.32 ug/L Se 82 11451.768 2.616 0.132 60.35667 3.48 ug/L As-1 75 100388.802 2.507 100231.799 58.46592 2.51 ug/L Kr 83 4341.413 1.274 -300.820 ug/L Ag 107 585714.760 0.435 0.482 60.14058 2.48 ug/L Cd 111 149150.074 0.650 0.123 59.80116 1.73 ug/L Cd 114 349472.850 1.093 0.288 59.30411 1.30 ug/L > In 115 1213280.733 2.394 1213280.733 ug/L Sb 121 494503.046 1.682 0.408 60.21785 1.08 ug/L Sb 123 381103.230 2.215 0.314 60.23390 0.49 ug/L Ba 135 143247.851 2.091 0.079 60.36708 0.95 ug/L Ba 137 246768.803 1.247 0.135 59.50173 0.40 ug/L Ho 165 1835594.497 1.621 0.006 ug/L > Tb 159 1821149.426 1.248 1821149.426 ug/L Hg 201 6668.512 0.327 0.004 4.93160 1.56 ug/L Hg 202 15307.697 0.559 0.008 5.01698 0.73 ug/L TI 205 1708729.776 1.482 0.938 60.01000 0.30 ug/L Pb 208 2328736.787 0.103 1.278 60.26680 1.27 ug/L

Sample ID: ICV STD2 60+5 PPB Report Date/Time: Wednesday, May 22, 2002 09:43:32 Page 1

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