VOC analysis results, sample AE02575, Feb 8 2002

Machine-extracted title · confidence 95%

Laboratory results for volatile organic compounds in sample AE02575 analyzed on February 8, 2002.

NYC-WTC_000019571–000019729

Folder label: “524 2/8/02 - 2/9/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\HPCHEM\1\DATA\02feb08\2579.D Vial: 8 Acq On 8 Feb 2002 10:58 pm Operator: 201-wb Sample nyc 524 Inst : GC/MS Ins— Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\HP020502.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L

Peak Number 5 Propanoic acid Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. ir

- 16.54 0.05 ug/L 48481 1,4-DIFLUOROBENZENE 15.11 - -sin

Hit# of 5 Tentative ID MW MolForm CAS# Qual _

1 Propanoic acid 74 C3H602 000079-09-4 5 2 Azetidine, 1-methyl- 71 C4H9N 004923-79-9 5 - 3 Acetic acid, methyl ester 74 C3H602 000079-20-9 4 4 Azetidine, 2-methyl- 71 C4H9N _____ 019812-49-8 4 -t Abundance Scan 726 (16.539 min): 2579.D (-) m/z 43.05 100.00% dl 43 —= 74 — 71 5000 3941 59 55 ' ■ i ■ ■ ■ ' i ■ ■■ ■ i■ ' 1 ' 1 1 ' 1 ' I ' 16.20 16.40 16.60 16.80 1 ■ i ■ ■ ■ ■ i ■ ■ • ■ i ■ ■ ■11 ■ ■ ■ i ■ • ‘11 ‘ ■ i ■ ■ ■' i ■ ■ • ■ i i ■ ■ ■ ■ i ■ ■ m/z 74.05 76.89% n/z-> 202530354045 50556065 70 75 80 Abundance #322: Propanoic acid 23 74 27 45

5000 • • i ■ • * • l * • ‘ * i • » ' * I * * ' 1 1 ' - 57 16.20 16.40 16.60 16.80 | ini

55 m/z 71.05 55.74%|

niz-> 37124 ■ ■ i ■' ‘ ■ i 20 25 47 Iiyin 30 35 40 45i 50 55 6065 70 75 80 i ■ • • ■ i ■ ■

Abundance #246: Azetidine, 1-methyl- 32 42 < ■ i > ■ ■ ■ i ■ • • • । i ■ » • I * । i i I > 16.20 16.40 16.60 16.80 5000 56 m/z 41.05 45.45? 71 27 44

' I 11111 ''111 1 ■ ■ i ■ ■ • ■ । ■ ■ I 1' ■ i ■ • • ■ i ■ ■ niz-> 20 25 3035 40 45 50 55 60 65 70 75 80 ........................ Abundance #62548: Acetic acid, methyl ester 43 16.20 16.40 16.60 16.80 m/z 59.05 40.31%|

5000

45........... 59 ........................ 41 11 ■ • • ■ i ■ ■ ■ ■ i ■ ■'11 ■ ■ •' i • ■'' i ■' ‘ I ■ •11 i' ■ ■ i ■ ■ ■ ‘ i ■ ■ ■ ‘ i1 ■ ■ ■ i' ■ ■' i1' 1 ■ i ■ ■ 1 ■ i 1 ■ 1 ■ i ■ ■ ■ ■ i ‘ ‘ 1 1 r1 n/z—> 20 25 30 35 40 45 50 55 60 65 70 75 80 16.20 16.40 16.60 16.80 - • -a. wds- 2579.D HP020502.M Fri Feb 08 23:38:04 2002 Page 5

NYC-WTC_000019639

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NYC-WTC_000019639Source: NYC Law Department, mirrored locally

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