GCMS surrogate recovery report, sample AE12763, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\061102\12763.D Vial: 7 Acq On : 11 Jun 2002 2:46 pm Operator: Sample : re-ext. 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 11 Pyrrolidine, 1-methyl- Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 4.52 1.92 ug/L 1571270 1,4-dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Pyrrolidine, 1-methyl- 85 C5H11N 000120-94-5 9 2 Propanoic acid, methyl ester 88 C4H802 000554-12-1 9 3 Propanoic acid, methyl ester 88 C4H802 000554-12-1 7 4 Propanoic acid, methyl ester 88 C4H802 000554-12-1 7 Abundance Scan 246 (4.525 min): 12763.D (-240) (-) m/z 88.00 100.00%

MMw/t.. 83

51 57 5000 41 ■ ■ ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । ■' ■ • i ■ ■ • ‘ i 4.20 4.40 4.60 4.80 01 mmmWPTTTpt 'i 11’11111107 m/z 51.10 61.49% miz-> 5 10 15 20 25 30 35 40 45 50 55 60 ffi 70 75 80 85 90 95 Abundance #112230: Pyrrolidine, 1-methyl- 42 57 84

5000 ‘ ‘ I ' ‘ ■ 1 ‘ ‘ ‘ ‘ I ‘ ' I ' ' ' ' 1 4.20 4.40 4.60 4.80 m/z 57.10 57.53%

J 27 0- 11 •11 ■ j >»> i1 >»* । > > > > 11H11 > “ 1111111 4—al J, ■ | 62> " > |67, 73 78. |, >1111 >'111' i " |. I! '■■■I'... .. mfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #112076: Propanoic acid, methyl ester

29 57 4.20 mrM..MAMYslltr 4.40 4.60 4.80 5000 m/z 84.00 46.58% 88 15 39 45 niz-> Of -++ " i" " T , 71 78 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #108078: Propanoic acid, methyl ester ■ ■ ■ i • ' ' ■ i ■ ■ ■ ‘ i ■ ‘ ' i ■ ■ ■ ■ i 29 4.20 4.40 4.60 4.80 57 m/z 85.00 31.06% 5000

88 । 39 45 0 .................. 241 -HH# ,Tum—um 74—mpmugf 1111 "I ‘1" ■ ■ i ■ ■ ■ ■ । ' ■ i ■ ■ • ■ i ■ ■ ■ ■ i n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 4.20 4.40 4.60 4.80

12763.D 060302.M Tue Jun 11 15:54:07 2002 Page 14

NYC-WTC_000015822