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ICP-MS Daily Performance Check, Jan 18 2002

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Laboratory record of daily instrument tuning and performance verification for ICP-MS on January 18, 2002.

NYC-WTC_000086559–000086560

Folder label: “ICP-MS Tuning & Optimization Information

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NYC 9/11 Public Portal Document 'I

Daily Performance Report Sample ID: DPC Sample Date/Time; Friday, January 18, 2002 08;39;35 Sample Description; DAILY PERFORMANCE CHECK Method File; d;\elandata\Method\Daily.mth Dataset File; d;\elandata\Dataset\daily performance\DPC.2336 Tuning File; d;\elandata\Tuning\default.tun Optimization File; d;\elandata\Optimize\default.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 76779.3 76779.345 537.656 0.7 Rh 102.9 356501.5 356501:485 1629.893 0.5 In 114.9 493410.6 493410.617 1914.565 0.4 Pb 208.0 347033.8 347033.835 J 994.145 0.3 r> Ba 137.9 431654.5 431654.521 1086.127 0.3 L Ba++ 69.0 4939.0 0.011 y 0.000 1.2 r> Ce 139.9 525645.9 525645.890 1206.041 0.2 L CeO 155.9 15962.2 0.030 y 0.000 0-6 Bkgd 220.0 17.2 17.167 0.717 4.2

Current Optimization File Data Current Value Description 0.89 Nebulizer Gas Flow 6.25 Lens Voltage 1000.00 ICP RF Power -1887.50 Analog Stage Voltage 1500.00 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 7558.2 Al 27 21 6.0 179221.1 Sc 45 21 6.0 1010866.2 V 51 21 6.0 222947.9 Cr 52 21 6.3 202078.3 Mn 55 21 6.3 303423.5 Ni 58 21 6.0 128259.7 Co 59 21 6.3 223383.4 Cu 63 21 6.0 116913.1 Zn 64 21 6.3 63718.2 Cu 65 21 6.5 57939.6 Zn 66 21 6.3 38135.2 Zn 68 21 6.3 27276.1 Ge 74 21 6.5 265184.8 As 75 21 6.3 34129.3

Sample ID; DPC Report Date/Time; Friday. January 18, 2002 08;43;01 Page 1

NYC-WTC_000086559

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NYC-WTC_000086559Source: NYC Law Department, mirrored locally

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