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GCMS sample AE12761 results, June 10 2002

Machine-extracted title · confidence 90%

Gas chromatography-mass spectrometry analysis report for sample AE12761 detecting unknown compounds and surrogates.

NYC-WTC_000015439–000015463

Folder label: “GCMS X 6/3/02 A 6/6/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\060602\12762.D Vial: 8 Acq On 6 Jun 2002 5:00 pm Operator: McLean Sample 6/3 eh Inst : Instrumen Mise. Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 3 Methylene Chloride Concentration Rank 7

R.T. EstConc Area Relative to ISTD R.T.

3.76 0.96 ug/L 683722 1,4-dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 37 2 Methylene Chloride 84 CH2C12 000075-09-2 4 3 Methylene Chloride 84 CH2C12 000075-09-2 4 4 Methylene Chloride 84 CH2C12 000075-09-2 4 Abundance Scan 116(3.761 min): 12762.D(-115)(-) m/z 47.10 100.00% 47 —/

5000 84 35 42 70 87 51 3.40 3.60 3.80 4.00 4.20 iz-> Of +4+448, 11‘ 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 1 ■ i ""i" ■ m/z 49.10 87.60% Abundance #111041: Methylene Chloride 49 84 5000 340 3.60 3.80 4.00 4.20 46 m/z 84.00 39.94% 2629 41 152 59 65 73 77 88 01 IIWWptHtH TnBnCammompt n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 49 84 340 3.60 3.80 4.00 4.20 5000 m/z 84.95 33.98%

miz-> 0! 35

THHmp 2528,32, 2841. TTmmDTmoot 14 152 5 10 15 20 25 30 35#12327: 70 40 45 50 55 60 65 70 75 80 85 90 95 + 88 MwphrW Abundance Methylene Chloride 49 340 3.60 3.80 4.00 4.20 84 m/z 48.05 / 32.21% 5000

14 18 24 2831 353841 || 88 32 —mmmOHt 0 TTTTTTDTHTTTTTTTTTTTHTT TT 70 - n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00 4.20

12762.D 060302.M Mon Jun 10 10:26:30 2002 Page 6

NYC-WTC_000015449

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NYC-WTC_000015449Source: NYC Law Department, mirrored locally

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