GCMS surrogate recovery results, sample AE03071, March 2002

NYC 9/11 Public Portal Document

Data File C:\MSDCHEM\l\DATA\022802\03021.D Vial: 14 Acq On 1 Mar 2002 11:00 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 1 Silane, tetramethyl- Concentration Rank 1

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

5.60 1.17 ug/L 397272 1,4-Dichlorobenzene-d4 9.58

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 37 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 Silane, tetramethyl- $$ Tetramet... 88 C4H12Si 000075-76-3 9 4 Acetic acid, 3-[1,3]dioxolan-2-y. .. 174 C8H14O4 000000-00-0 9 Abundance Scan 278 (5.598 min): 03021 .D (-) m/z 73.10 100.00% 73 8000

6000

4000 I 1 । 1 1 I 1 । । । Trt । ITrrTIE । 2000 45 5.20 5.40 5.60 5.80 6.00 1 55 i 87 103 m/z 45.10 14.42% ................. । । । । । i । । । । i । । । । । । । .1110 । । , II, । ■ ■ ■ ■ । । ■ i ■ ■ ■ > । ■ i ■ ■ ■ ■ । । i ■ ■ ■ ■ i ' I i ■ ‘ ' 1 i 1 ' ' ' i ■ ■ ■ ' i ' m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4814: Silane. tetramethyl- 73 8000

6000 i ■ ■ ■ ■ i ■ ’I 4000 5.20 5.40 5.60 5.80 6.00 m/z 71.10 7.22% 2000' 43 15 29 m/z-> 2 I 1 ■ i'' ■ ' i'1 ■' i ■ 0 10 20 1 ll, 36,4 52.9 —7 +81. 88-7 30 40 50 60 70 80 90 100 110 Abundance #4815: Silane, tetramethyl- 73 8000 i ■ ■ ' ■ i 5.20 5.40 5.60 5.80 6.00 6000 m/z 69.10 5.67% 4000

2000 45 29 37 |.I 52 59 66 i, 80 ,88I [" irrp i i i । i i'■'■i1'111'1■■i''1> । । । । ' । , < . i । . ... । । I i , । m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 Abundance #4812: Silane, tetramethyl- $$ Tetramethylsilane $$ (CH3)4... 73 T’TTTT 1’37 5.20 5.40 5.60 5.80 6.00 8000 m/z 74.10 5.43%

6000

4000

2000 43 2 15 ,1 , 36 | 55 , 66 m/z-> T1PIITTTTT 0 10 20 30 40 50 60 70 l'.80.. 8690......... 100 110 I ' ■ ■ ■ i 5.20 5.40 5.60 5.80 6.00 1tir

03021.D 5080202.M Mon Mar 04 05:44:36 2002 Page 3

NYC-WTC_000005953