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Document / 51 pages

ICPMS daily performance check report, April 25, 2002

Machine-extracted title · confidence 98%

Daily instrument calibration and performance verification log for ICPMS equipment conducted on April 25, 2002.

NYC-WTC_000053337–000053387

Folder label: “ICPMS 4/25/02

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Scanned page image, NYC-WTC_000053337
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NYC 9/11 Public Portal Document

Daily Performance Report Sample ID: DPC Sample Date/Time: Thursday, April 25,2002 10:25:12 Sample Description: DAILY PERFORMANCE CHECK Method File: d:\\Method\Daily.mth Dataset File: d:WDatasetidaily performance\DPC.001 Tuning File: d:WTuning\default.tun Optimization File: d:WOptimize\defauIt.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 50096.1 50096.057 398.996 0.8 Rh 102.9 261041.5 261041.531 1233.370 0.5 In 114.9 325694.2 325694.225 2570.346 0.8 Pb 208.0 172089.0 172088.989 1155.206 0.7 > Ba 137.9 263511.0 263511.019 2287.137 0.9 Ba++ 69.0 4792.5 0.018 J 0.000 0.7 > Ce 139.9 326584.7 326584.700 / 2728.754 0.8 CeO 155.9 8761.4 0.027 J 0.000 0.8 Bkgd 220.0 7.0 7.033 0.660 9.4

Current Optimization File Data Current Value Description 0.88 Nebulizer Gas Flow 6.00 Lens Voltage 1000.00 ICP RF Power -1900.00 Analog Stage Voltage 1600.00 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 6.0 3673.4 Co 59 21 6.5 90935.5 In 115 21 7.3 232044.8

Sample ID: DPC Report Date/Time: Thursday, April 25,2002 10:28:37 Page 1

NYC-WTC_000053337

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NYC-WTC_000053337Source: NYC Law Department, mirrored locally

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