GCMS analysis results for sample AE07632, April 9, 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C : \MSDCHEM\1\DATA\0204 15\07632 . D Vial: 11 Acq On : 15 Apr 2002 6:58 pm Operator: Nefliu Sample : sample Inst Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method C:\MSDCHEM\1\METHODS\041202SCAN.M (Chemstation Integrator) Title 508 Modified GC/MS scan Library C:\DATABASE\NIST98.L

Peak Number 1 Pentane, 2-bromo-4-methyl- Concentration Rank 7

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

4.19 0.21 ug/L 158853 1,4-Dichlorobenzene-d4 9.99

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Pentane, 2-bromo-4-methyl- 164 C6H13Br 030310-22-6 33 2 Pentane, 2-bromo-2-methyl- 164 C6H13Br 004283-80-1 28 3 Methacrylamide 85 C4H7NO 000079-39-0 25 4 Formic acid, 2-methylpropyl ester 102 C5H10O2 000542-55-2 10 Abundance Scan 190 (4.196 min) 07632.D (-184) (-) m/z 85.20 100.00% 41 85

5000 60

50 A.., Tl/Z--> Ol • ■ ।।। ■11' 10 20 30 40 +4L ■ l ■ ■ <11 ■ r' • j ■ ■ ■ ■ l ■ ■ ■ > l ■ ■ •' I'' " I ■' •' I • • '1 I' ■' 11 1 " ' I " 50 60 70 80 90 100 110 120 130 140 150 160 170 3.80 m/ z 4.00 41.30 4.20 4 40 4.60 83.88% Abundance #110055. Pentane, 2-bromo-4-methyl- 43

5000 85 3.80 4.00 4.20 Mu Y 4.40 4.60 27 69 m/z 43.30 75.34% 15 57

n/z-> ol - 10 20 ++3544 isapli THT 30 40 11 |, 93 107 ' i1 ■111 ■ " ■।। 50 60 70 80 90 100 110 120 130 140 150 160 170 121 164 " i ■ '111' " ■i■ 1 ■ ■ i "

Abundance #109354: Pentane, 2-bromo-2-methy- 43

85 AACAAAAA 3 80 4.00 4 20 4.40 4 60 5000 m/z 60.30 35.05% 27 69 15 55 0] 36++4l-77493 107 121 135 164

...... 11....... TIE’IIIUTTTTTTTTTTTTTTTTVTTTTTTTTTTTT Tl/Z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #34104: Methacrylamide 41 85 3 80 4.00 4 20 440 4.60 m/z 39.30 29.65% A 5000 69

n/z-> 0 10 18 27 TT — 20 30 40 142. 50 60 70 T’T 80 90 100 110 120 130 140 150 160 170 3.80 4 00 4 20 4.40 4.60

07632.D 041202SCAN.M Tue Apr 16 13:41:27 2002 Page 4

NYC-WTC_000047631