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 X

Data File C: \HPCHEM\ 1 \DATA\02feb08\20 8 9D. D Vial: 3 — Acq On 8 Feb 2002 7:21 pm Operator: 201-wb m Sample nyc 524 dup Inst : GC/MS Tns. 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 4 2,4-Imidazolidinedione, 3-meth Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T.

15.79 0.04 ug/L 46642 1,4-DIFLUOROBENZENE 15.13 amidit

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

1 2,4-Imidazolidinedione, 3-methyl- 114 C4H6N2O2 006843-45-4 3 2 1-(Propenylthio)prop-1-ene 114 C6H10S 000000-00-0 3 3 3-Cyclobutene-1,2-dione, 3,4-dihydr 114 C4H204 002892-51-5 2 tn 4 Ethyl diazoacetate 114 C4H6N2O2 000623-73-4 2 — Abundance Scan 684 (15.792 min): 2089D.D (-) m/z 114.05 100.00% 1 4 7

5000 63 88 ■ ■ i • ' ' ■ i ■ ■

... 38 44 I 1 1 1 1 I ' 1 ■ ' i ■ 1 1 50 57 । ■ ■ ■ ■ । ■ ■ ■ ■ । ■ ' 120 ' 15.40 15.60 15.80 16.00 16.20 m/z 63.05 26.16% nz-> 20 30 40 50 60 70 80 90 100 110 Abundance #64088:2,4-Imidazolidinedione, 3-methyl- 1 4

58 5000 15.40 15.60 15.80 16.00 16.20 86 m/z 88.00 24.39% — 42 71 - I ‘ • i ■ ■ ' ■ i ■ ■ 1 ' i ' ‘ ri ■ ■ ■ 1 i ■ ■ • ‘ i ' ' ■ i ■ ' • ■ i ■ ' ‘ ■ i ■ • ■ i ■ » /z—> 20 30 40 50 60 70 80 90 100 110 120 Abundance #2940: 1-(Propenylthio)prop-1-ene 41 1 4 99 15.40 15.60 15.80 16.00 16.20 5000 m/z 56.95 12.57% —hs 85 irtiii 47 59 73 — .1 ■ ’ ■ ■ il|l, ■ i.... 1 ■ ' i ■ ■ ‘ ■ i ■ ■ ‘ ■ I ■ ‘ ■ i • n/z—> i ■ • ■ ■ 20 i ■ ■ ■ ■ 30 i ' 40 50 60 70 80 90 100 110 ' 120 Abundance #64087: 3-Cyclobutene-1,2-dione, 3,4-dihydroxy- ■ i ■ ' ■ ■ i ‘ ■ ■ ■ i ■ ■ 29 58 1540 15.60 15.80 16.00 16.20 m/z 49.95 12.52%

5000 114

....... 41....... 68 86................... I ' ■ ’ ’ I ’ ' 1 ' 1 1 ‘ 1 ' I • ’ ‘ ’ I ‘ ‘ ‘ ’ I ’ m/z—> 20 30 40 50 60 70 80 90 100 110 ' 120 ' 15.40 15.60 15.80 16.00 16.20

-f - 2089D.D HP020502.M Fri Feb 08 20:02:44 2002 Page 4 —

NYC-WTC_000019598

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NYC-WTC_000019598Source: NYC Law Department, mirrored locally

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