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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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Scanned page image, NYC-WTC_000040288
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

fr z O6fSS- WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: Blank Sample Date/Time: Tuesday, April 09, 2002 09:55:35 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\Blank.338 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 Be 9 12.333 20.405 ug/L Sc-1 45 581830.143 1.508 ug/L Cr 52 8684.567 1.111 ug/L Cr 53 872.384 5.742 ug/L Mn 55 1677.505 4.710 ug/L Ni 60 49.334 10.402 ug/L Cu 63 275.007 2.886 ug/L Cu 65 140.669 7.121 ug/L Zn 66 495.685 2.364 ug/L Zn 67 139.002 8.297 ug/L Zn 68 395.346 7.075 ug/L

Ge 72 108986.488 0.315 ug/L

As 75 322.742 23.567 ug/L

Se 77 151.669 15.468 ug/L

Se 82 218.338 10.418 ug/L Ag 107 1471.467 5.601 ug/L In 115 1584531.760 2.164 ug/L Sb 121 47.667 18.803 ug/L Sb 123 42.759 7.661 ug/L Ba 135 73.334 9.674 ug/L Ba 137 122.669 5.726 ug/L

Ho 165 1739775.055 0.955 ug/L

Tb 159 2003209.539 0.423 ug/L

Ti 205 727.703 6.060 ug/L Pb 208 2028.775 2.338 ug/L

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

Sample ID: Blank Report Date/Time: Tuesday, April 09, 2002 09:57:09 Page 1

NYC-WTC 000040288

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NYC-WTC_000040288Source: NYC Law Department, mirrored locally

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