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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 Method 200.8 - Summary Report Sample ID: AE08953 Sample Date/Time: Friday, May 03, 2002 12:38:44 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: c:\winnt\profiles\lrd1\elandata\Method\_NEWN.mth Dataset File: c:\winnt\profiles\lrd1\elandata\Dataset\newyork city\AE08953.736 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Conc. Mean Cone. RSD Sample Unit Be 9 6.000 16.667 -0.000 -0.00763 22.64 ug/L > Se-1 45 489108.072 3.545 489108.072 ug/L Cr 52 11533.429 2.079 0.008 0.38361 14.44 ug/L Cr 53 1781.859 4.312 0.002 0.91265 1.90 ug/L Mn 55 271704.672 1.782 0.552 16.49620 4.63 ug/L Ni 60 985.063 3.000 0.002 0.33785 0.92 ug/L Cu 63 6780.929 0.746 0.013 1.32485 3.94 ug/L Cu 65 3474.032 2.257 0.007 1.35099 5.90 ug/L Zn 66 3423.679 3.508 0.023 1.34724 5.58 ug/L Zn 67 771.040 3.240 0.005 1.71692 4.41 ug/L Zn 68 3253.281 1.512 0.024 1.87106 2.41 ug/L > Ge 72 100106.823 0.289 100106.823 ug/L As 75 8271.782 1.076 0.006 0.30102 14.57 ug/L Se 77 1060.948 2.201 0.000 0.25141 44.77 ug/L Se 82 2964.179 0.283 0.001 0.28958 1.97 ug/L Ag 107 221.672 12.208 -0.000 -0.01111 25.30 ug/L Cd 111 60.667 10.072 0.000 0.00160 149.29 ug/L Cd 114 107.078 23.244 -0.000 -0.00416 100.89 ug/L In 115 1266794.128 0.476 1266794.128 ug/L Sb 121 411.680 6.079 0.000 0.04404 6.53 ug/L Sb 123 296.821 9.792 0.000 0.04022 11.38 ug/L Ba 135 38065.581 1.131 0.022 14.86680 0.19 ug/L Ba 137 64710.892 2.365 0.037 14.94811 3.35 ug/L Ho 165 1782251.217 2.599 0.057 ug/L Tb 159 1767111.445 1.277 1767111.445 ug/L Hg 201 51.001 12.858 -0.000 -0.00747 68.18 ug/L Hg 202 111.002 2.703 0.000 0.00268 27.87 ug/L n 205 430.015 13.698 -0.000 -0.00863 30.57 ug/L Pb 208 4332.108 2.319 0.001 0.06883 6.32 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rel. % Diff ' Be 9 > Sc-1 45 79.802 Cr 52

Sample ID: AE08953 Report Date/Time: Friday, May 03, 2002 12:40:31 Page 1

NYC-WTC_000053030

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NYC-WTC_000053030Source: NYC Law Department, mirrored locally

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