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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: AE06991 Sample Date/Time: Tuesday, April 09, 2002 11:17:33 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE06991.358 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 5.667 66.811 -0.000 -0.01323 63.96 ug/L Sc1 45 554276.082 1.154 554276.082 ug/L Cr 52 11792.094 0.545 0.006 0.34739 5.50 ug/L Cr 53 1693.841 2.544 0.002 0.72012 3.05 ug/L Mn 55 287111.907 1.595 0.515 17.66861 2.07 ug/L NI 60 895.386 0.838 0.002 0.33222 1.36 ug/L Cu 63 6045.404 2.840 0.010 0.98949 2.26 ug/L Cu 65 2872.149 3.081 0.005 0.95131 2.09 ug/L Zn 66 1621.494 1.173 0.011 0.60280 1.72 ug/L Zn 67 511.353 2.366 0.003 1.11653 3.97 ug/L Zn 68 1861.209 2.360 0.014 1.06361 2.80 ug/L Ge 72 107687.530 1.282 107687.530 ug/L As 75 1232.458 7.499 0.008 0.41753 10.27 ug/L Se 77 218.671 3.889 0.001 0.36601 16.41 ug/L Se 82 280.007 7.898 0.001 0.26181 36.04 ug/L Ag 107 199.338 2.475 -0.001 -0.09751 0.24 ug/L In 115 1454446.231 1.482 1454446.231 ug/L Sb 121 497.019 1.408 0.000 0.04604 2.30 ug/L Sb 123 397.989 4.002 0.000 0.04713 5.17 ug/L Ba 135 45487.978 0.779 0.023 14.70401 0.81 ug/L Ba 137 78885.624 1.568 0.040 14.59906 1.60 ug/L Ho 165 1956155.324 0.862 0.123 ug/L Tb 159 1972228.613 0.082 1972228.613 ug/L 71 205 503.019 7.500 -0.000 -0.00765 17.48 ug/L Pb 208 3057.896 1.881 0.001 0.02798 5.22 ug/L

QC Calculated Values - Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff I Be 9 > Sc-1 45 95.264 Cr 52 Cr 53 Mn 55 Ni 60 Cu 63

Sample ID: AE06991 Report Date/Time: Tuesday, April 09, 2002 11:19:07 Page 1

NYC-WTC 000040328

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NYC-WTC_000040328Source: NYC Law Department, mirrored locally

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