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Document / 51 pages

ICPMS daily performance check report, April 15, 2002

Machine-extracted title · confidence 95%

Daily instrument performance verification log for ICPMS analysis including intensity and standard deviation data for multiple elements.

NYC-WTC_000040648–000040698

Folder label: “ICPMS 4/15/02

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NYC 9/11 Public Portal Document

/e07/0^ - 79 ^^73^

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: Blank Sample Date/Time: Monday, April 15, 2002 09:12:30 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NYC.mth Dataset File: d:\elandata\Dataset\new york city\Blank.488 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 9.333 22.304 ug/L Se-1 45 588129.469 1.842 ug/L Cr 52 9471.361 2.173 ug/L Cr 53 1171.087 1.067 ug/L Mn 55 2113.267 3.863 ug/L Ni 60 67.668 9.615 ug/L Cu 63 387.345 5.374 ug/L Cu 65 208.671 2.928 ug/L Zn 66 690.700 6.021 ug/L Zn 67 172.670 3.190 ug/L Zn 68 543.022 5.727 ug/L > Ge 72 109156.606 3.168 ug/L As Se Se Ag Cd 75 77 82 107 111 29.794 1.793 121.335 1013.067 1278.268 167.770 3092.993 13.144 4.752 5.928 $75%% ug/L ug/L ug/L ug/L ug/L Cd 114 135.227 5.416 ug/L > In 115 1512230.106 2.325 ug/L Sb 121 54.001 8.486 ug/L Sb 123 42.062 19.155 ug/L Ba 135 65.334 15.484 ug/L Ba 137 104.335 1.107 ug/L > Tb 159 1960033.046 2.457 ug/L Ho 165 1678701.624 1.230 ug/L T1 205 2151.611 9.135 ug/L Pb 208 1904.096 1.918 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 Cr 53 Mn 55

Sample ID: Blank Report Date/Time: Monday, April 15, 2002 09:14:17 Page 1

NYC-WTC_000040649

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NYC-WTC_000040649Source: NYC Law Department, mirrored locally

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