GCMS blank analysis results for sample AE00327, Jan 2002

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Laboratory report documenting GCMS blank analysis to verify system cleanliness during January 10-11, 2002 testing.

NYC-WTC_000051179–000051191

Folder label: “GCMS X 1/8/02 A 1/10/02”

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NYC 9/11 Public Portal Document

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Data File : C:\MSDCHEM\1\5973N\O2 JAN10\0108B.D Vial: 1 Acq On : 10 Jan 2002 12:21 pm Operator: Sample : lab blank ext 1/8 Inst : Instrumen Mise : January 10, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\l-..\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ***************************************************** * ** * * * * * ** ** ** * * Peak Number 3 Acetic acid, 3-[1,3]dioxola... Concentration Rank 1

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

5.89 4.45 ug/L 1371000 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 $$... 174 C8H14O4 015745-87-6 33 3 Silane, tetramethyl- 88 C4H12Si 000075-76-3 32 4 Silane, tetramethyl- (CAS) $$ Te... 88 C4H12Si 000075-76-3 9 Abundance Scan 220 (5.885 min): 0108B.D (-) m/z 73.10 100.00% 70

5000

43 1 ■ ■ ■ । ■ i ■ ■ ’ ■ । 1 1 ' ■ । ■ 5.60 5.80 6.00 6.20 O-PPTTT 1155, ' ' ' 'T' ' 1 I' " ' I' , ---87 103 ■ i ''■ ■ ■ i ■ ■ ■11 m/z 43.10 24.07% 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 5.60 5.80 6.00 6.20 43 m/z 45.10 9.75% 27 55 .1 87 113 174 n/z-> 0 ......... '...... ‘I’ll " 111 Hyt THTTTUTITTTTTTTTTITTTWTTTTTTUT ■ i1i 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 1 ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i 1 ■ ' 1 । 1 1 5.60 5.80 6.00 6.20 5000 m/z 41.10 9.12% 1 43 27 55 . 87 113 174 01-TTTT i1"11ri" i111111"11 ‘r" i ■111 r "11 ■"111 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 Abundance #4814: Silane, tetramethyl- ■ * । ■ ■ ■ ■ 70 5.60 5.80 6.00 6.20 rn/z 71.10 6.43%

5000

45 15 I 53 I 88 0 PP THm losyssttyessay*s**gtdd*s****I****I****I****A****/***/ /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

3108B.D SCAN508.M Fri Jan 11 10:09:15 2002 Page 5

NYC-WTC_000051186

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NYC-WTC_000051186Source: NYC Law Department, mirrored locally

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NYC-WTC_000051088

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