GCMS surrogate recovery report, sample AE12283, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\0610022\12283.D Vial: 11 Acq On : 10 Jun 2002 7:10 pm Operator: Sample : gc/ms scan 6/7 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\NI ST9 8 . L

Peak Number 10 2,2-Dimethoxybutane Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 4.12 3.99 ug/L 3171790 1,4-dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2,2-Dimethoxybutane 118 C6H14O2 003453-99-4 59 2 Glycine, methyl ester 89 C3H7NO2 000616-34-2 9 3 Methanethioamide, N,N-dimethyl- 89 C3H7NS 000758-167 9 4 Thiazole, tetrahydro- 89 C3H7NS 000504-78-9 9 Abundance Scan 177 (4.119 min): 12283.D (-173) (-) m/z 87.05 100.00% 87 55 43 5000 49 W—ropaod PD————PTPTTT 71 103 3.80 4.00 4.20 4.40

miz-> 0: tpall. p-TTT 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 — - 82 II i i ■ ■ ■ ■ i" ■ ■ i11'1111111'111 m/z 89.10 95.74% Abundance #35304:2,2-Dimethoxybutane 87 43 55

5000 29 3.80 4.00 h 4.20 "111I4L 4.40 m/z 55.10 72.77% 103 ................ .. 49 , 4,90..65..4176.81.+ 2.,. _. l.. M 0 tI 1 I|!I I I *1’211— DTTu'' m/z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #36033: Glycine, methyl ester 89

3.80 4.00 4.20 4.40 5000 m/z 43.10 55.49% 44

m/z—> 0:

Abundance 54 TTHT 59 66 ! PTTT 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 #117111: Methanethioamide, N,N-dimethyl- spnulspo ‘ ‘ I ' ' 1 ' I ' ' ■ ' I ' ' ' ' I ‘ ' ' 1 I 89 3.80 4.00 4.20 4.40 m/z 49.10 37.91% 5000

42 _ 74 , 33 J 1147 56 61 I . 1 01 | l ■ “ | |■“■]" I .| ■ 1 1 [ 1 I I I | I I " | . . . 1 | | | ! t | 111 I | I I I I [ I I | | p I I I J I 1 I I | I I I I | I I I I p I I I | I I I , [ I |TT[ 1 1 ■ I ' ' I ‘ ' 1 1 1 1 1 I 1 1 ' 1 1 1 1 ' 1 1 /z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 3.80 4.00 4.20 4.40

12283.D 060302.M Tue Jun 11 08:24:10 2002 Page 13

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