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GCMS analysis results, sample AE08761, April 25, 2002

Machine-extracted title · confidence 75%

Gas chromatography-mass spectrometry analysis of environmental sample AE08761, detecting unknown compounds and 2,4-DDD surrogate at 74 μg, completed April 25, 2002.

NYC-WTC_000049113–000049123

Folder label: “GCMS X 4/12/02 A 4/23/02

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NYC 9/11 Public Portal Document

LSC Area Percent Report Data File : C:\HPCHEM\l\DATA\APR2202\8761.D Vial: 23 Acq On : 23 Apr 2002 6:35 am Operator: Sample : gc/ms scan 4/12 Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\HPCHEM\1\METHODS\GCMS0412.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 8.185 338 342 371 rVB 343565 835107 22.90% 4.434% 2 12.206 775 780 800 rBV 1002749 2474049 67.84% 13.135% 3 14.813 1058 1064 1068 rVB 45092 88090 2.42% 0.468% 4 15.842 1170 1176 1192 rBV 1577222 3185133 87.34% 16.910% 5 21.148 1747 1754 1766 rBV 1811052 3646680 100.00% 19.361%

6 23.287 1979 1987 1992 rBV 154771 310652 8.52% 1.649% 7 25.591 2231 2238 2248 rBV2 1621974 3524977 96.66% 18.714% 8 33.348 3075 3083 3095 rBV3 11418 38742 1.06% 0.206% 9 33.642 3108 3115 3134 rBV2 1181151 2676058 73.38% 14.207% 10 37.874 3567 3576 3597 rBV2 681407 2056118 56.38% 10.916%

Sum of corrected areas: 18835606 8761.D GCMS0412.M Tue Apr 23 14:23:52 2002

NYC-WTC_000049118

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NYC-WTC_000049118Source: NYC Law Department, mirrored locally

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