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ICPMS daily performance check report, May 9, 2002

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Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 9, 2002.

NYC-WTC_000053212–000053335

Folder label: “ICPMS 5/9/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: STD CHECK 0.4 PPB Hg Sample Date/Time: Thursday, May 09, 2002 10:16:51 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\newyork city\STD CHECK 0.4 PPB Hg.844 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Gone. Mean Cone. RSD Sample Unit Be 9 12.333 52.128 0.000' 0.00272 568.56 ug/L Li 6 57126.210 2.028 57126.210 mg/L > Sc-1 45 507804.342 2.800 507804.342 ug/L Cr 52 7630.611 0.597 0.000 0.02031 96.92 ug/L Cr 53 968.061 2.157 0.000 0.07500 44.93 ug/L Mn 55 1922.223 2.852 -0.002 -0.06701 6.55 ug/L Ni 60 562.378 135.480 0.001 0.17822 153.27 ug/L Cu 63 2079.592 3.854 0.003 0.27170 7.94 ug/L Cu 65 1038.736 2.329 0.002 0.26232 2.05 ug/L Zn 66 1299.773 2.177 -0.015 -0.92835 1.35 ug/L Zn 67 266.007 4.711 -0.002 -0.79317 4.47 ug/L Zn 68 979.063 2.677 -0.012 -0.95650 1.91 ug/L > Ge 72 125482.683 0.507 125482.683 ug/L As 75 11342.662 0.325 0.005 0.25367 10.12 ug/L Se 77 1511.030 1.221 0.001 0.39517 17.55 ug/L Se 82 -119.283 64.723 -0.000 -0.14061 189.03 ug/L As-1 75 284.341 10.506 41.002 0.01608 72.86 ug/L Kr 83 4359.422 1.760 - -34.350 ug/L Ag 107 366.011 7.694 0,000 0.01322 16.06 ug/L Cd 111 108.002 4.900 0.000 0.00201 84.85 ug/L Cd 114 233.548 11.216 0.000 0.00353 87.13 ug/L > In 115 1789586.532 1.268 1789586.532 ug/L Sb 121 7624.606 1.029 0.004 0.63233 0.71 ug/L Sb 123 5747.476 2.211 0.003 0.61902 1.16 ug/L Ba 135 548.022 4.027 0,000 0.13218 4.50 ug/L Ba 137 921.389 4.757 0.000 0.12911 3.87 ug/L Ho 165 2725273.765 0.487 -0.015 ug/L Tb 159 2714109.637 1.515 2714109.637 ug/L Hg 201 787.375 4.475 0.000 0.39886 6.43 ug/L Hg 202 1753.853 2.033 0.001 0.39548 3.70 ug/L TI 205 6929.042 0.433 0.002 0.13770 2.33 ug/L Pb 208 4538.485 0.768 0.001 0.02780 5.16 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff

Sample ID: STD CHECK 0.4 PPB Hg Report Date/Time: Thursday, May 09, 2002 10:19:20 Page 1

NYC-WTC_000053240

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NYC-WTC_000053630 · Box DEP Box 29

Laboratory analysis results for a Westchester County Department of Labs and Research sample processed on May 15, 2002.

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