GCMS analysis results for sample AE03073, March 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03073 conducted on March 12, 2002.

NYC-WTC_000005973–000005982

Folder label: “GCMS X 2/12/02 A 2/28/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\022802\03073.D Vial: 7 . Acq On 1 Mar 2002 5:18 pm Operator: McLean Sample 2/12/02 GC SCAN Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\l\5973N\5080202.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L

Peak Number 2 Silane, tetramethyl- $$ Tet... Concentration Rank 1

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

5.60 1.50 ug/L 483989 1,4-Dichlorobenzene-d4 9.58

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Silane, tetramethyl- $$ Tetramet... 88 C4H12Si 000075-76-3 52 2 Silane, tetramethyl- (CAS) $$ Te... 88 C4H12Si 000075-76-3 50 3 Silane, tetramethyl- 88 C4H12Si 000075-76-3 47 4 1 - Propene-1-thiol 74 C3H6S 000925-89-3 9 Abundance Scan 278 (5.597 min): 03073.D (-) m/z 73.10 100.00% 73 8000

6000

4000

2000 45 5.20 5.40 5.60 5.80 6.00 1 55 i , 87 103 m/z 45.10 14.95% ■ ■ । > 1 ■ ■ । 1 1 1 ' 1 1 1 1 1 1 1 1 ' 1 11 1 ''' I 11 ■ ■ ■ ’p -----PPP m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4812: Silane, tetramethyl- $$ Tetramethylsilane $$ (CH3)4... 73 8000

6000 ............. I h , A 4000 5.20 5.40 5.60 5.80 6.00 m/z 71.10 7.24% 2000 43 2... 15 ' IlTi 1111111111111' ,|, 36 J, 29 55 , 66 ' ' rli ' I '''''ll IIri i i 88 ■' i ' ' ' ' I ' ' ' ' i ■ ' ' • i ' m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4813: Silane, tetramethyl- (CAS) SS Tetramethylsilane SS ... 73 8000 ......................................... .. 6000 5.20 5.40 5.60 5.80 6.00 m/z 55.10 5.11% 4000

2000 45 15 29 53 66 88 PPTTt 1 ' ■ ‘I । ■ ■ ■ । i ' i ■ ■'' i' ■' ■ i' '' ■ i ■ m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4814: Silane, tetramethyl- ................ .......... 73 5.20 5.40 5.60 5.80 6.00 8000 m/z 74.10 4.87% 6000

4000

2000 43 2.... 15 29 36 I 53.60 __ l, 81 88 I i | i । i | | * < » i”[ i r TTTTT r r |’l l i i । i I i iT| i i i i । I 1 ■ ■ i ■ • ■1 i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 5.20 5.40 5.60 5.80 6.00

)3073.D 5080202.M Mon Mar 04 05:51:41 2002 Page 4

NYC-WTC_000005981

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