GCMS analysis results for sample AE07978, Apr 2002

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Laboratory report documenting the GCMS analysis of sample AE07978 including surrogate recovery data and unknown compound screening on April 18, 2002.

NYC-WTC_000046707–000046721

Folder label: “GCMS X 4/5/02 A 4/16/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\MSDCHEM\l\DATA\020415\07978.D Vial: 18 Acq On 16 Apr 2002 12:44 am Operator: Nefliu Sample sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\041202SCAN.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 4 Acetic acid, 3 -[1,3]dioxola... Concentration Rank 3

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

5.97 0.36 ug/L 307967 1,4-Dichlorobenzene-d4 9.99

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Acetic acid, 3-[1,3]dioxolan-2-y. .. 174 C8H14O4 1000186-02-3 28 2 N-Ethylformamide 73 C3H7NO 000627-45-2 9 3 1-Propene-l-thiol 74 C3H6S 000925-89-3 9 4 Silane, tetramethyl-88 C4H12Si 000075-76-3 9 Abundance Scan 492 (5 970 min): 07978.D (-481) (-) m/z 73.30 100.00% 73

5000 43 5 60 5 80 6 00 6 20 6 40 87 103 0- .................. ................. . t ■ i ■(i'1' ■ i■ i1 ■ ■' I I'" ‘ I'' m/ z 43.30 26.13% n/z—> Abundance 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 4 #25344 Acetic acid, 3-[1,3]dioxolan-2-ylpropyl ester 73

5000 --- 1 1 I I- I N II—mIrIii -r 5 60 5 80 6 00 6 20 6 40 43 m/z 41.30 10.57% 27 55 . 87 113 131 174 0- " i1 ■ " i ■ *111 ■ ■ i'1 । > । > ■ 111 ■ ■ ।''I >' । *' ■' । ।। । । • >>> । ■ n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 Abundance #857 N-Ethylformamide 30 73 41 5 60 5 80 6 00 6 20 6.40 5000- m/z 45.3 0 9.81% 44 58 18

n/z-> 0- ir# ">1..... r ''111 > 11' । ' 11। > >■ ■ ।> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 ।

Abundance #25348' 1-Propene-1-thiol . ....... I 73 5 60 5 80 6 00 6.20 6.40 m/z 71.20 5.65%

5000- 43

1 55 65 , " 80 0 TPWPTTTTTTTTTTTTTT 90 100 110 120 130 140 150 160 170 180 ............... ...... ...................... ..... n/z—> 10 20 30 40 50 60 70 5.60 5.80 6 00 6.20 6.40

07978.D 041202SCAN.M Tue Apr 16 13:47:47 2002 Page 7

NYC-WTC_000046717

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NYC-WTC_000046717Source: NYC Law Department, mirrored locally

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NYC-WTC_000046841

Laboratory report documenting GCMS analysis of sample AE08069 including surrogate recovery and unknown compounds on April 18, 2002.

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