GCMS surrogate recovery results, sample AE12326, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052902\12326.D Vial: 17 Acq On : 29 May 2002 11:07 pm Operator: McLean Sample : gc/ms scan 5/28 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 9 Butanoic acid, 2-methyl-, m.. Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T. 4.52 0.86 ug/L 548440 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 32 2 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 32 3 Butanoic acid. 2-methyl-, methyl... 116 C6H1202 053955-81-0 32 4 Propanoic acid, methyl ester 88 C4H802 000554-12-1 7 Abundance Scan 245 (4.519 min): 12326.D (-241) (-) m/z 57.10 100.00% 57 88 47 5000 41 101 1 1 ' । • i ■ 1 ■ ■ । 1 1 ' 1 i 11 1 1 । — 4.20 4.40 4.60 4.80 0- 4 ' l' ' ‘i1 * 1<।11 • > । < 1 I ‘ ‘ ‘ ' I ■ ‘ ' I ‘ ' m/z 88.00 77.45%

""ypurbluarotta miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #117026: Butanoic acid, 2-methyl-, methyl ester 57 83

5000 ■ ■ ‘ । ■ ■ ■' । ■ i • ‘ । ■ ■ ■ • । 29 41 4.20 4.40 4.60 4.80 101 m/z 47.05 59.80% ,.75 81 J ,

m/z-> 0- . ilpppp i 111 10 20 30 401 50 +514 . 116 TT ’ ‘i ‘ ‘ ■ ■ i ■ 11 I • ■ ■ ■ i 1 ■ ■ ■ i ■ ' ' ■ i 1 ■ 60 70 80 90 100 110 120 Abundance #17382: Butanoic acid, 2-methyl-, methyl ester 57 88 29 T 4.20 4.40 4.60 4.80 41 5000 m/z 51.10 41.07% 101 69 0- p -- 1 51 -'I 11'1111 11 I 1 1 1 1 i 1 1 iz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #17385: Butanoic acid, 2-methyl-, methyl ester, (.+/-.)- ■ ■ ' i ■ ■ ■ ■ i ‘ ■ i ‘ ■ i 1 ' 1 1 i 57 88 4.20 4.40 4.60 4.80 m/z 41.10 33.66% 41 5000 29

15 74

iz-> O' 10 20 1 ■ ■ 111,— ■ i n + 30 40 50 60 4 70 , 101 116 viri 111 I ■ • ■ • i • ■ • ■ i ■ ■ 1 ■ i ■ • 80 90 100 110 120 ■ • i ■ ■ ■ • i ■ ■ ■ ■ i 11 1 1 । 4.20 4.40 4.60 4.80 ‘ ।

12326.D 052202.M Mon Jun 03 11:32:52 2002 Page 12

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