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GCMS comments for sample AD29785 detecting phthalate, Jan 2002

Machine-extracted title · confidence 100%

Laboratory commentary noting a GCMS scan of sample AD29785 revealing bis(2-Ethylhexyl)phthalate on January 7, 2002.

NYC-WTC_000037071–000037082

Folder label: “GCMS X 12/10/01 A 12/15/01

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NYC 9/11 Public Portal Document

LSC Area Percent Report

Data File : C:\HPCHEM\1\DATA\DEC1401\29785.D Vial: 5 Acq On 15 Dec 2001 6:26 am Operator: 209 GALOS Sample : gems scan 12/10 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\HPCHEM\1\METHODS\GCMS1126.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 7.599 274 278 290 rBV 319172 817391 12.67% 2.472% 2 7.737 291 293 309 rVB 36216 133037 2.06% 0.402% 3 11.345 682 686 691 rBV 77948 179356 2.78% 0.542% 4 11.427 691 695 703 rVB 78278 193285 2.99% 0.585% 5 11.675 715 722 746 rBV 1767228 4863530 75.36% 14.708%

6 15.274 1109 1114 1132 rBV 2660575 5940254 92.04% 17.964% 7 20.552 1683 1689 1711 rBV 2927596 6453798 100.00% 19.517% 8 24.977 2164 2171 2184 rBV2 2542675 5995108 92.89% 18.130% 9 25.124 2184 2187 2200 rVB 24026 86585 1.34% 0.262% 10 30.054 2719 2724 2731 rBV 358057 727747 11.28% 2.201%

11 33.010 3039 3046 3064 rBV2 1843010 4359860 67.55% 13.185% 12 33.286 3072 3076 3087 rVB 33024 91161 1.41% 0.276% 13 37.105 3484 3492 3510 rBV 1109268 3225752 49.98% 9.755%

Sum of corrected areas: 33066864

29785.D GCMS1126.M Fri Dec 28 13:19:39 2001

NYC-WTC_000037076

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NYC-WTC_000037076Source: NYC Law Department, mirrored locally

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