GCMS analysis report sample AE09678, May 23, 2002

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GCMS laboratory report for sample AE09678 detecting unknown compounds and 2,4-DDD on May 23, 2002.

NYC-WTC_000013191–000013216

Folder label: “GCMS X 5/21/02 A 5/21/02”

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NYC 9/11 Public Portal Document LLJLCLY DtaLtii toupOuiU KCDOL L

Data File : C:\MSDCHEM\1\DATA\052102\9678.D Vial: 16 Acq On : 22 May 2002 1:33 am Operator: Mclean Sample : re-extract 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 16 Pyrazine, 2,5-dimethyl-3-(2... Concentration Rank 12

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

36.45 0.29 ug/L 102038 Perylene-d12 34.66

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Pyrazine, 2,5-dimethyl-3-(2-prop... 148 C9H12N2 055138-69-7/9 2 Pyrazine, 3,5-dimethyl-2-(2-prop... 148 C9H12N2 055138-70-0 9 3 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0 9 4 2,6-Dimethyl-3,4-bis(trimethylsi... 311 C15H29NO2Si2 1000079-52-1 9

M Abundance Scan 5680 (36.453 min): 9678.D (-5672) (-) m/z 73.10 100.00% 73 147 221 5000 281 96 355 40 36.20 36.40 36.60 36.80 I

M 0/ 1‘12111211111771117111121111111111119311"m220UTBTIITT m/z 147.00 74.52% n/z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #66165: Pyrazine, 2,5-dimethyl-3-(2-propenyl)- 147

5000 42 36.20 36.40 36.60 36.80 122 m/z 221.05 66.90%l 27 , 68

h 106 , U 0- mPmmPIPTTT m/z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #66163: Pyrazine, 3,5-dimethyl-2-(2-propenyl)- 147 ' i ■ ■ 1 ‘ i * • 36.20 36.40 36.60 36.80 5000 m/z 281.00 49.86% 39 1 68 106 122

/z—> 4 1 1 Opfm * ! ri Hustapte P . r. | (||(1|, rp-n 11 > 111111 > 111 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 Abundance #87890:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... । 147 2.11 36.20 36.40 36.60 36.80 m/z 84.00 36.57% 73 5000

28 45 101 117

Aarkk, 191

I 279 245 263 1, 295 MAul 0- , ।. r, *1*’!’ ."r. 1714 [Ti > 11 rii 1 |'i n ip 11111111 (11111111111 m/z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 36.20 36.40 36.60 36.80

9678.D 052202.M Wed May 22 11:43:35 2002 Page 19

NYC-WTC_000013214

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