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ICPMS daily performance check report, May 24, 2002

Machine-extracted title · confidence 98%

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 CAL BK Sample Date/Time: Friday, May 24, 2002 10:57:34 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 CAL BK.369 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 3.000 33.333 -0.000 -0.00452 52.68 ug/L Li 6 58195.269 1.114 58195.269 ug/L Se-1 45 418803.460 1.356 418803.460 ug/L Cr 52 6486.712 1.572 -0.000 -0.01377 159.96 ug/L Cr 53 791.709 13.862 0.001 0.33070 30.56 ug/L Mn 55 775.708 1.291 -0.000 -0.01316 2.70 ug/L Co 59 153.336 31.926 0.000 0.00034 1461.51 ug/L Ni 60 40.667 11.088 -0.000 -0.00175 136.88 ug/L Cu 63 230.005 14.414 0.000 0.00311 247.55 ug/L Cu 65 115.002 8.696 -0.000 -0.00062 644.69 ug/L Zn 66 697.034 4.964 -0.000 -0.01780 109.25 ug/L Zn 67 174.337 8.058 0.000 0.11935 47.84 ug/L Zn 68 537.688 1.560 0.000 0.01945 39.71 ug/L > Ge 72 87604.704 1.779 87604.704 ug/L As 75 12622.975 1.943 0.003 0.13393 164.17 ug/L Se 77 1592.821 1.865 0.000 0.24069 113.36 ug/L Se 82 -86.695 47.855 0.001 0.33256 60.09 ug/L As-1 75 130.669 9.988 22.334 0.01190 58.44 ug/L Kr 83 4753.624 1.641 -94.051 ug/L Ag 107 1116.747 11.773 0.001 0.09192 16.90 ug/L Cd 111 18.334 15.746 -0.000 -0.00252 45.12 ug/L Cd 114 48.539 12.943 0.000 0.0)1021 538.34 ug/L In 115 1164216.832 1.105 1164216.832 ug/L Sb 121 44.001 10.415 0.000 0.0)112 49.21 ug/L Sb 123 38.989 10.191 0.000 0.0 )340 21.39 ug/L Ba 135 41.667 15.980 -0.000 -0.0)038 754.29 ug/L Ba 137 73.334 12.373 0.000 0.0 0379 58.49 ug/L Ho 165 1746105.866 0.710 0.005 ug/L Tb 159 1722835.102 0.541 1722835.102 ug/L Hg 201 78.668 8.464 0,000 0.03219 15.76 ug/L Hg 202 171.003 10.831 0.000 0.03156 19.76 ug/L TI 205 548.022 14.703 -0.000 -0.00037 835.09 ug/L Pb 208 1589.071 2.686 -0.000 -0.00008 1235.11 ug/L

Sample ID: CCV CAL BK Report Date/Time: Friday, May 24, 2002 11:00:15 Page 1

NYC-WTC_000054442

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