GCMS blank analysis results for sample AE00275, Jan 2002

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Laboratory report documenting GCMS blank analysis to verify system cleanliness during January 8-10, 2002 testing.

NYC-WTC_000051024–000051039

Folder label: “GCMS X 1/7/02 A 1/8/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02JAN08\00275.D Vial: 1 Acq On : 8 Jan 2002 3:24 pm Operator: Sample : 508scan Inst : Instrumen Mise : January 8, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\l-..\SCAN508.M (RTE Integrator) Title Library : 508 scan method : C:\DATABASE\WILEY7N.L See I A 0 C A ********************************************************************* Peak Number 4 Acetic acid, 3-[1,3]dioxola... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

5.89 5.77 ug/L 1773330 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Acetic acid, 3-[1,3]dioxolan-2-y... 174 C8H14O4 000000-00-0 33 23-(CYCLOHEX-3'-EN-YL)PROPANOL $$... 174 C8H14O4 015745-87-6 33 3 N-Ethylformamide $$ N-Formylethy... 73 C3H7NO 000627-45-2 9 4 Butane, 2-methoxy-2-methyl- $$ E... 102 C6H14O 000994-05-8 9 Abundance Scan 220 (5.886 min): 00275.D (-) m/ z 73.10 100.00% 70

5000 43 5.60 5.80 6 00 6.20 01 —ll 55 11 . 11'''' i■ ■' ' T' ‘ • ■ i ■' 87 i ■ " ' 103 i''' ■ ‘ i ■''11 TT m/z 43.10 23.82% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 Abundance #78238: Acetic acid, 3-[1,3]dioxolan-2-ylpropyl ester 70

5000 > ■ - ' i 1 > 1 > i ■ ■ 1 * I > < 'i , . . । > 5.60 5.80 6.00 6.20 43 m/z 45.10 9.30% 27 55 87 113 174 n/z-> 01mmPP TTTT ■ r ■ " i " ■ ■ i' I-peet 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 $$ 2-Cyclohexene-1-p... 70 —————————— 5.60 5.80 6.00 6.20 5000 m/z 41.10 8.84% 43 27 55 .। . 87 113 174 01 ' 111' ■ i11111' THTp T’II TTmmnumuOUTPTOuTi i ■' ■' i' m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 Abundance #1794: N-Ethylformamide $$ N-Formylethylamine $$ Formamide... 1/* 30 5.60 5 80 6.00 6.20 73 m/z 71.10 6.33%

5000 44 58

15 - 0 i" " i'1" i ’"11"'1 r1111" " r " 11111' i" " i11" i" " i1" ' r --A-PPP /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

00275.D SCAN508.M Wed Jan 09 15:11:00 2002 Page 6

NYC-WTC_000051033

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NYC-WTC_000051033Source: NYC Law Department, mirrored locally

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