GCMS analysis results for unknown compounds, June 2002

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Laboratory report documenting GCMS analysis of sample AE12737 with surrogate recovery data and identification of unknown compounds.

NYC-WTC_000015253–000015281

Folder label: “GCMS X 6/3/02 A 6/7/02”

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NYC 9/11 Public Portal Document uDLary searcn compoura Keport

Data File C:\MSDCHEM\1\DATA\060702\12738.D Vial: 14 Acq On 7 Jun 2002 7:10 pm Operator: Sample 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 2 Methylene Chloride Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 3.73 12.20 ug/L 7089290 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qu 1 Methylene Chloride 84 CH2C12 000075-09- 95 2 Methylene Chloride 84 CH2C12 000075-09- 91 3 Methylene Chloride 84 CH2C12 000075-09- 91 4 Methylene Chloride 84 CH2C12 000075-09-2 91 Abundance Scan 110 (3.726 min): 12738.D (-92) (-) m/z 49.10 100.00% 49 84

5000

■ ■ ■ i ■ ■ ' ' i ■ ■ ‘ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i 88 3.40 3.60 3.80 4.00

niz-> 353841 721,52 0- 1111" 11" " i " " r "' I" " I" " i1'1111 (1111' ” I 11"1' i ■ ■ ■ ■ i ■ ■" I ■1 ■ ■ i ■' ■ ■ i''1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 H m/z 84.0.0 72.59% Abundance #12327: Methylene Chloride 49 84 5000 ■ ■ ' i ■ ■ 1 1 1 1 1 1 1 I 113 1 i ■ ■ ■ ■ i 3.40 3.60 3.80 4.00 m/z 86.00 47.76% 14 18 24 2831 353841 88 01 1—52n________ 70 ——m01001Emamnf1 1 * 11 “ । J । ■ 111111 ■ 111111.1111.11 ■ 111111111. t- miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84 3.40 3.60 3.80 4.00 5000 m/z 51.05 29.26%

2831 3538 43 88 Of ■ I J riTTJ-TTI . ( . . . . , . . . | I | ! > > > 1J11 ■ ■ 111 J ■ | > 152 57 67 71 77 ]r.11r... ।। i Hmm niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride ■ ‘ > I ■ * 1 i 1 * • > । j ■ * r TT 1 1 r1 49 3.40 3.60 3.80 4.00 m/z 47.05 18.74% 84 5000

46 2629 41 88 0- l' '■11■ “ ■11■ ■ ■! 1' 111 ,152 59 65 73 77 Tummmmmnomugutf Imo mfz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 i ■"' i ■ “ ‘ i 3.40 3.60 3.80 4.00

12738.D 060302.M Mon Jun 10 11:45:36 2002 Page 5

NYC-WTC_000015262

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Laboratory report documenting GCMS analysis of sample AE12735 with surrogate recovery data and identification of unknown compounds.

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