GCMS surrogate recovery results for sample AE00280, Jan 2002

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Laboratory record documenting GCMS surrogate recovery data for sample AE00280 analyzed on January 10, 2002.

NYC-WTC_000050893–000050911

Folder label: “GCMS X 1/7/02 A 1/9/02”

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NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\5973N\O2JAN09\280.D Vial: 5 Acq On 9 Jan 2002 9:31 pm Operator: Sample : 508 scan ext 1/7 Inst : Instrumen Mise : January 9, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 7 Silane, tetramethyl- Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 5.89 4.81 ug/L 2441390 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 38 2 3-(CYCLOHEX-3'-EN-YL)PROPANOL $$... 174 C8H14O4 015745-87-6 33 3 Acetic acid, 3-[1,3]dioxolan-2-y... 174 C8H14O4 000000-00-0 33 4 N-Ethylformamide $$ N-Formylethy... 73 C3H7NO 000627-45-2 9 Abundance Scan 220 (5.885 min): 280.D (-) m/z 73.10 100.00% 73

m/z-> 5000

Abundance 0- Tmpr 43 I.I 55 1 87 v I I I ■ ■ I ■... I . > ■ > I

10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 #4814: Silane, tetramethyl- 103 . i ■ ■ • • i • ■' ■ r ' ■ ■ i m/z ■ >

5.60 i • ■ 1 5.80 43.05 6.00 6.20 24.24%

5000 5.60 5.80 6 00 6.20 m/z 41.10 9.65% 45 0- 15 i ■ ■' ■ r " ' i | 53 ।___ 88 I1111111'''1'1'........... 1" I " 1' I r ■ ■ ■ i ■ ■ • ’ i ■' ■ ■ i ■ ■ •' r • " i ■ ■ •' r ' ■ ■ i ■ ■ ■' i Tl/Z--> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 Abundance #36138: 3-(CYCLOHEX-3'-EN-YL)PROPANOL $$ 2-Cyclohexene-1-p... 73 1) /Tr P 1— 5.60 5.80 6.00 6.20 5000 m/z 45.10 9.36% 43

m/z-> 0 27 ' i ■ " ' r " ■ i' + 87 55 Tpn 113 ,i 174 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 I ■11 P ■1 ■ i ′′′ * ।।। i”"r

Abundance #78238: Acetic acid, 3-(1,3]dioxolan-2-ylpropyl ester 70 5.60 5.80 6 00 6.20 m/z 71.10 6.78% 5000 43 27 87 0 r ■•■ r "■i Tr 55 . ....... . 113 11' " ■ r u ■ i' 174 " i111' r " ' i" " i ■ ’" r ■ ‘11 ■1 ■ ■ r n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 5.60 5.80 6.00 6.20

280.D SCAN508.M Thu Jan 10 11:51:55 2002 Page 9

NYC-WTC_000050906

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NYC-WTC_000050906Source: NYC Law Department, mirrored locally

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