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GCMS non-target scan comments for sample AD28049, Feb 2002

Machine-extracted title · confidence 50%

Laboratory notes stating that a mass spectrometer scan of extract AD28049 revealed no non-target compounds on February 15, 2002.

NYC-WTC_000003872–000003879

Folder label: “GCMS X 1/28/02 A 2/8/02

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NYC 9/11 Public Portal Document

LSC Area Percent Report

’ Data File C:\HPCHEM\1\DATA\FEB0802\28049.D Vial: 24 Acq On 9 Feb 2002 7:41 am Operator: 209 GALOS Sample GC/MS SCAN 1/28 FB Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\HPCHEM\1\METHODS\GCMS0208.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 12.346 789 795 810 rVB 944880 2120699 75.44% 15.187% 2 15.990 1186 1192 1208 rBV 1352095 2625909 93.41% 18.805% 3 21.306 1765 1771 1786 rBV 1410598 2811025 100.00% 20.131% 4 25.758 2249 2256 2267 rBV 1310592 2729517 97.10% 19.547% 5 30.835 2804 2809 2814 rVB 124967 239504 8.52% 1.715%

6 33.828 3128 3135 3148 rBV 884132 1984041 70.58% 14.208% 7 38.115 3593 3602 3616 rBV2 486247 1453248 51.70% 10.407%

Sum of corrected areas: 13963943

28049.D GCMS0208.M Thu Feb 14 15:02:12 2002

NYC-WTC_000003877

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NYC-WTC_000003877Source: NYC Law Department, mirrored locally

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