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GCMS analysis results, sample AE12323, June 2002

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Gas chromatography mass spectrometry results for sample AE12323 including surrogate recovery data analyzed on June 7, 2002.

NYC-WTC_000014281–000014302

Folder label: “GCMS X 5/24/02 A 5/29/02

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NYC 9/11 Public Portal Document LILDLCLY DCLCL wOIpOUHC KCDOLC

Data File : C:\MSDCHEM\1\DATA\052902\12323.D Vial: 11 Acq On : 29 May 2002 6:14 pm Operator: McLean Sample : gc/ms scan 5/24 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 8 Methane, chlorodifluoro- Concentration Rank 9 R.T. EstConc Area Relative to ISTD R.T. 4.28 0.36 ug/L 231228 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm 1 Methane, chlorodifluoro- 86 CHC1F2 2 Propiolonitrile 51 C3HN 3 Difluoromethyl trifluoromethanes ... 200 C2HF503S 4 Pyridazine 80 C4H4N2 Abundance Scan 204 (4.278 min): 12323.D (-203) (-) 51 84

5000 40 4.00 4.20 4.40 4.60 01 “' I ■ ■ ■' i ■ *+**I****I’4**1* hMDTTTTTTTTTTTTT m/z 84.00 67.20% miz-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200 Abundance #12363: Methane, chlorodifluoro- 51

5000 4.00 4.20 4.40 4.60 31 67 m/z 86.00 33.79% 0 13 mm hl .1. 85 ,. ।. II .,.. ।. fl.!.... ,.... j.... ।,.,. ।..,. ।.... (.... (.... j.. >. ।.,.. ।.... (..., । miz-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200 Abundance #12371: Propiolonitrite 51

4.00 4.20 4.40 4.60 5000 m/z 40.0.0 21.86%

12 25 38 0 mHHlp Nnpmn—mmmmpma mz-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200 Abundance #12378: Difluoromethyl trifluoromethanesulphonate 51 4.00 4.20 4.40 4.60 m/z 48.05 ", 14.41% 69 5000

n/z-> 0i m -j.... r 115 133 201 . ’ 1 111111 ri 111 ■ i iTp-rrrp ’ ’I mi ’’’1’814114411 10 20 30 40 50 60 70 80 901 1001101201301401150160170180190200 4.00 4.20 440 4.60

12323 .D 052202.M Mon Jun 03 10:50:52 2002 Page 11

NYC-WTC_000014296

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NYC-WTC_000014296Source: NYC Law Department, mirrored locally

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