VOC analysis results, sample AE02575, Feb 8 2002

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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 z ocalci toupound Report ■

—ant Data File C:\HPCHEM\l\DATA\02feb08\2575.D Vial: 5 Acq On 8 Feb 2002 8:47 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 Butanoic acid, methyl ester Concentration Rank 3 -iso - -il R.T. EstConc Area Relative to ISTD R.T. -is

16.54 0.04 ug/L 44578 1,4-DIFLUOROBENZENE 15.13 Hit# of 5 Tentative ID MW MolForm CAS# Qual —

1 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 83 2 Butane, 2,2-dimethyl- 86 C6H14 000075-83-2 9 3 3-Pyrrolidinol 87 C4H9NO 040499-83-0 5 — 4 N-Nitrosodimethylamine 74 C2H6N20 _____ 000062-75-9 4 = Abundance Scan 727 (16.540 min): 2575.D (-) m/z 43.05 100.00%| — 43 74

5000 59 87 16.20 16.40 16.60 16.80 1 ‘ I ' ■ 1 I ’ 1 1 ■ I 1 • ■ 1 i 1 ■ 1 i ■ 1 ■ ■ I ‘ ‘ i ■ ' ‘ i 1 ■ 1 ■ i 1 ■ ■ 1 । 1 ■ ■ ■ । m/z 74.05 79.49? nz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #63493: Butanoic acid, methyl ester 43 74 ouldns % lih

5000 27 16.20 16,40 16.60 16.80 15 59 m/z 41.05 47.04? 87 ...... 1........ 33 ■ 1 i ' ■ ' ' I 1 1 1 ' I ‘ ■ 1 1 i I' > < । < i ‘. i ।11+ | 102 ■ ' I ■ ' ■ ■ i • ■ ■ ■ i ' ■ ‘ 1 i nz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62862: Butane, 2,2-dimethyl- 43 57 T 1il 16.20 16.40 16.60 16.80 | 5000 m/z 71.05 43.65% 71

n/z-> । 1 i 1 ■ ■ TIT T 10 20 37 r1 T r 1 i + 30 40 +51 50 FIT*"* 1 C1 60 70 80 90 100 110 Abundance #752: 3-Pyrrolidinol ....................................................... 1 ■ i > • * ‘ । ■ ■' ■ r'11 ■ ।111111 43 16.20 16.40 16.60 16.80 m/z 58.95 24.80 5000

87 57 68 • 1 i 1 ■ ■ * । • ■ ■ * । * 1 * । ‘ — ■ I * t • • • i j » » ! ............. ■ * 1' * i 1................ i > ■ 1 1 11■ ■ i ■ ■ । ■ ■ 1 miz—> 10 20 30 40 50 60 70 80 90 100 110 16.20 16.40 16.60 16.80

2575.D HP020502.M Fri Feb 08 21:27:49 2002 Page 5

NYC-WTC_000019615

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NYC-WTC_000019615Source: NYC Law Department, mirrored locally

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