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ICPMS daily performance check report, Feb 26, 2002

Machine-extracted title · confidence 90%

Laboratory record documenting daily instrument performance verification for elemental analysis on February 25, 2002.

NYC-WTC_000055061–000055062

Folder label: “2/15 - 4/8 ICPMS DPC's

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NYC 9/11 Public Portal Document

Daily Performance Report Sample ID: DPC Sample Date/Time: Tuesday, February 26,200212:50:46 Sample Description: DAILY PERFORMANCE CHECK Method File: d:\eIandata\Method\Daily.mth Dataset File: d:\elandata\Dataset\daily performance\DPC.017 Tuning File: d:\elandata\Tuning\default tun Optimization File: d:\elandata\Optimizeldefault.dac Dual Detector Mode: Pulse Acq. Dead Time(ns): 55 Current Dead Time (ns): 55

Summary Analyte Mass Meas. Intens. Mean Net Intens. Mean Net Intens. SD Net Intens. RSD Mg 24.0 67482.5 67482.474 285.257 0.4 Rh 102.9 236823.9 236823.923 546.850 0.2 In 114.9 346732.9 346732.877 1051.798 0.3 Pb 208.0 237460.5 237460.509 1039.636 0.4 Ba 137.9 322210.6 322210.649 1822.370 0.6 Ba++ 69.0 330.0 0.0011 0,000 2.3 Ce 139.9 399175.2 399175.162 731.010 0.2 CeO 155.9 13359.8 0.033 0.000 0.8 Bkgd 220.0 5.4 5.367 0.893 16.6

Current Optimization File Data Current Value Description 0.90 Nebulizer Gas Flow 6.75 Lens Voltage 1000.00 ICP RF Power -1950.00 Analog Stage Voltage 1400.00 Pulse Stage Voltage 70.00 Discriminator Threshold -6.00 AC Rod Offset 60.00 Service DAC 1 0.00 Quadrupole Rod Offset

Current Autolens Data Analyte Mass Num of Pts DAC Value Maximum Intensity Be 9 21 5.8 5431.7 Sc 45 21 6.3 716109.5 Cr 52 21 6.3 147969.3 Cr 53 21 6.3 14995.8 Mn 55 21 6.3 209027.8 Ni 60 21 6.3 32662.2 Cu 63 21 6.3 77449.3 Zn 64 21 6.3 36292.7 Cu 65 21 6.5 35924.5 Zn 66 21 6.5 20874.1 Zn 68 21 6.3 10222.5 Ge 74 21 6.5 113714.6 As 75 21 6.5 35760.6 Se 77 21 6.5 21325.2 Se 82 21 7.5 583.4

Sample ID: DPC Report Date/Time: Tuesday, February 26,2002 12:54:18 Page 1

NYC-WTC_000055061

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NYC-WTC_000055061Source: NYC Law Department, mirrored locally

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