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\2580.D Vial: 9 Acq On 8 Feb 2002 11:41 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) wm Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 5 Butanoic acid, methyl ester Concentration Rank 3 - - R.T. EstConc Area Relative to ISTD R.T. -ill

16.54 0.05 ug/L 52843 1,4-DIFLUOROBENZENE 15.11 oauntiss Hit# of 5 Tentative ID MW MolForm CAS# Qual — -- 1 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 42 2 Acetic acid, methyl ester 74 C3H602 000079-20-9 9 3 3-Pyrrolidinol 87 C4H9NO 040499-83-0 9 — 4 Furan, tetrahydro-2-methyl- 86 C5H10O 000096-47-9 9 Abundance Scan 727 (16.540 min): 2580. D (-) m/z 43.05 100.00% - 43 74

5000 59 87 38 ' ‘ i ' ‘ 1 ' i ' ' ‘ ' i 1 ■ ■ 1 i ' ■ ■ ■ i ' 16.20 16.40 16.60 16.80 ■ ' i ■ ‘ • i ■ ' ‘ ' i ‘ ■ ■ i 1 ‘ ‘ ■ i ■ ■ ' • i ' ■ ■ i ■ ■ ' ‘ i ■ ' ■ ■ i • ■ ' ■ i m/z 74.05 80.61% -tte z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #63493: Butanoic acid, methyl ester 40 74 sdm h 5000- itan 27 16.20 16.40 16.60 16.80 —4 15 59 m/z 71.05 60.81% 87 33 4T 102 1 i 1 ' ' ' 1 1 ■ 1 i ■ ■ ■ ‘ i 1 • ■ ■ i 1 • ■ ■ i iz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62546: Acetic acid, methyl ester 43 1 ‘ i ■ ‘ • I ' 1 1 ' I ' 1 1 1 I 1 ' 1 ' I 1 16.20 16.40 16.60 16.80 5000- m/z 41.05 43.93% 74 59 niz—> ' 10 20 444 30 40 ’bil 50 1 ___ ' i ■ ■ ‘ ' i ' 60 70 80 90 100 110 Abundance #752:3-Pyrrolidinol i • • • ’ i r1 43 16.20 16.40 16.60 16.80 m/z 42.05 36.58%

5000

57 87 68 .............................................. ■ ■ i ■ ■ ' 1 1 1 1 1 1 I'1 1 1 ''I1 Bugs ' 1 i ■ ■ ■ ■ 1 1 1 1 1 1 1 1 ,-l"' 1 1 1 m/z—> 10 20 30 40 50 60 70 80 90 100 110 16.20 16.40 16.60 16.80 .ls.

2580.D HP020502.M Sat Feb 09 00:21:24 2002 Page 5

NYC-WTC_0000 19647

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NYC-WTC_000019647Source: NYC Law Department, mirrored locally

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