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Document / 9 pages

Method 608 sample preparation log, Dec 2001

Machine-extracted title · confidence 90%

Log sheet detailing sample preparation metrics for Method 608 analysis of WTC samples conducted in December 2001.

NYC-WTC_000031054–000031062

Folder label: “GCMS X 11/2/01 A 12/1/01”

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NYC 9/11 Public Portal Document

LSC Area Percent Report Data File : C:\HPCHEM\1\DATA\NOV3001\LBE.D Vial: 52 Acq On : 30 NOV 2001 4:40 pm Operator: 209 GALOS Sample : lb 11/2 gc/ms Inst : GC/MS 209 Misc 2 Multiplr: 1.00 MS Integration Params: LSCINT.P Method : C:\HPCHEM\1\METHODS\NP112601.M (RTE Integrator) Title : 209 625/TCLP calibration table Smoothing : OFF Filtering: 5 Sampling : 1 Min Area: 1 % of largest Peak Start Thrs: 0.2 Max Peaks: 100 Stop Thrs : 0 Peak Location: TOP If leading or trailing edge < 100 prefer < Baseline drop else tangent > Peak separation: 5 Signal : TIC peak R.T. first max last PK peak peak peak % of # min scan scan scan TY height area % max. total 1 6.436 148 152 161 rW2 29349 84379 1.24% 0.249% 2 7.153 224 230 234 rBV 27104 68571 1.01% 0.202% 3 7.685 285 288 299 rBV 157493 397523 5.83% 1.172% 4 11.559 706 710 720 rBV 58955 142337 2.09% 0.420% 5 11.697 720 725 752 rVB 2022204 5044626 73.94% 14.875% 6 15.305 1112 1118 1135 rBV 2937900 6657737 97.59% 19.631% 7 20.583 1686 1693 1717 rBV 3008616 6822448 100.00% 20.117% 8 24.999 2168 2174 2187 rBV2 2762744 6023971 .30% 17.763% 9 33.032 3042 3049 3069 rBV2 1995765 4731875 69.36% 13.953% 10 37.126 3486 3495 3518 rBV2 1367905 3940123 57.75% 11.618%

Sum of corrected areas? 33913590 LBE.D NP112601.M Mon Dec 03 09:46:36 2001

NYC-WTC_000031058

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NYC-WTC_000031058Source: NYC Law Department, mirrored locally

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GCMS calibration table, Nov 2001 · Box DEP Box 21

NYC-WTC_000030923

Calibration data for GC/MS analysis using Method 508 and TCLP procedures dated November 30, 2001.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995

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