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ICPMS daily performance check report, May 3, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on May 3, 2002.

NYC-WTC_000052963–000053092

Folder label: “ICPMS 5/3/02

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH 0 Method 200.8 - Summary Report Sample ID: Blank 1 0% \ Sample Date/Time: Friday, May 03, 2002 10:13:03 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: c:\winnt\profiles\lrd1\elandata\Method\_NEWN.mth 20 vier 9P Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\new york city\Blank.714 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 12.000 25.000 ug/L Sc-1 45 612904.604 0.678 ug/L Cr 52 9655.223 2.395 ug/L Cr 53 887.719 3.620 ug/L Mn 55 2734.439 0.809 ug/L Ni 60 263.006 12.708 Revl d DY,/ ug/L Cu Cu 63 65 467.683 216.338 2.613 3.280 ) 1/1/4 ug/L ug/L Zn 66 1318.776 1.753 ug/L Zn 67 286.007 11.842 ug/L Zn 68 1026.402 1.584 ug/L Ge 72 116268.066 1.635 ug/L As 75 8900.224 3.560 ug/L Se 77 1179.366 3.996 ug/L Se 82 3370.659 3.922 ug/L Ag 107 359.677 10.042 ug/L Cd 111 61.001 28.442 ug/L Cd 114 142.713 6.041 ug/L In 115 1367874.287 2.603 ug/L Sb 121 40.334 22.497 ug/L Sb 123 40.474 16.421 ug/L Ba 135 53.334 6.585 ug/L Ba 137 84.668 4.773 ug/L Ho 165 1813254.671 0.580 ug/L Tb 159 1905796.662 1.698 ug/L Hg 201 64.668 16.963 ug/L Hg 202 111.668 4.418 ug/L TI 205 693.033 2.947 ug/L Pb 208 2098.116 3.051 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff Be 9 > Sc-1 45 Cr 52

Sample ID: Blank Report Date/Time: Friday, May 03, 2002 10:14:50 Page 1

NYC-WTC_000052964

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NYC-WTC_000052964Source: NYC Law Department, mirrored locally

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