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ICPMS daily performance check report, April 9, 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_000040287–000040339

Folder label: “ICPMS 4/9/02”

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: CCV STD2 60 PPB Sample Date/Time: Tuesday, April 09, 2002 11:56:54 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\CCV STD2 60 PPB.363 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Conc. RSD Sample Unit 9 30975.997 1.066 0.056 68.33065 Be Sc-1 45 549062.274 1.218 549062.274 A~ 0.38 ug/L ug/L

Cr 52 607305.000 0.199 1.091 59.69039 1.35 ug/L Cr 53 71852.897 0.734 0.129 59.86233 0.84 ug/L Mn 55 957901.808 1.643 1.742 59.74879 2.76 ug/L Ni 60 146999.433 0.517 0.268 58.09415 1.65 ug/L Cu 63 340724.524 0.660 0.620 58.81056 0.70 ug/L Cu 65 167737.524 1.417 0.305 58.80495 2.64 ug/L Zn 66 108559.762 0.462 1.048 60.12107 1.30 ug/L Zn 67 19344.424 1.853 0.186 59.88976 2.59 ug/L Zn 68 80346.633 0.462 0.776 60.40308 1.40 ug/L Ge 72 103125.005 0.929 103125.005 ug/L As 75 126843.763 1.976 1.227 60.38904 2.55 ug/L Se 77 10684.717 2.094 0.102 58.47140 2.27 ug/L Se 82 14397.207 2.645 0.138 60.30823 3.23 ug/L Ag 107 697954.123 0.976 0.490 60.32591 2.26 ug/L In 115 1422907.824 2.217 1422907.824 ug/L Sb 121 582686.742 1.837 0.410 60.49756 2.02 ug/L Sb 123 449826.803 1.497 0.316 60.39210 1.56 ug/L Ba 135 172812.459 1.815 0.090 57.66517 1.95 ug/L Ba 137 300597.757 1.319 0.157 57.41967 0.04 ug/L Ho 165 1922581.434 0.739 0.137 ug/L Tb 159 1912956.677 1.352 1912956.677 ug/L TI Pb 205 208 1591908.913 2173304.046 1.518 0.769 0.832 1.135 58.76858 59.07152 / 0.50 ug/L 1.31 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff r Be 9 > Sc-1 45 94.368 Cr 52 Cr 53 Mn 55 NI 60 Cu 63

Sample ID: CCV STD2 60 PPB Report DateTflme: Tuesday, April 09, 2002 11:59:11 Page 1

NYC-WTC 000040338

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NYC-WTC_000040338Source: NYC Law Department, mirrored locally

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