Volatile organic compounds analysis results, March 25, 2002

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\l\DATA\02MAR25\6981F.D Vial: 16 Acg On : 26 Mar 2002 3:00 am Operator: 201-wb Sample : nyc; fb Inst : GC/MS Ins Mise : ‘ Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\HP031802.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L Peak Number 1 2,4-Imidazolidinedione, 3-meth Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

15.70 0.03 ug/L 20110 1,4-DIFLUOROBENZENE 15.05

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2,4-Imidazolidinedione, 3-methyl- 114 C4H6N202! 006843-45-4 3 2 1-(Propenylthio)prop-l-ene 114 C6H10S 000000-00-0 3 - 3 2,4,5-Trioxoimidazolidine 114 C3H2N203 000120-89-8 2 ■ 4 3-Cyclobutene-1,2-dione, 3,4-dihydr 114 C4H204 _______ 002892-51-5 2 Abundance Scan 688 (15.698 min): 6981 F.D (-) m/z 114.15 100.00% 1 4

5000 63 88 i ■ 1 ' 1 i ' ' / 15.40 15.60 15.80 16.00 ■ ■ i ■ 44■ ■ ' i 1 ' ■ 1 ■ i ■ 1 ■ i ■ ■ ■ ■ i ■ 1 m/z 63.05 39.19% Ti/Z-“> 40 50 60 70 80 90 100 110 120 Abundance #64088: 2,4-lmidazolidinedione, 3-methyl- 1 4

58 5000 i । । । । i । । । । ii । • > r**i [ । r । ।

15.40 15.60 15.80 16.00 86 m/z 87.90 22.34%

42 । ■ । ■ । ■ । 71 । ■ ■ ■ ’ ■ । ■ r i ' 1 ■ 1 i 1 /z--> 40 50 60 70 80 90 100 110 120 Abundance #2940: 1 -(Propenylthio)prop-I -ene' 1 4 41 99 15.40 15.60 15.80 16.00 5000 m/z 43.95 2.53%

47 59 ,1 1I... l | 73 85 JMMM ’ll 1’4 1 1 1 1 1 1 r ■ i ■ ■ ■ . । , "Tni TT"r m/z-> 40 50 60 70 80 90 100 110 120 Abundance #2824: 2,4,5-Trioxoimidazolidine 43 15.40 15.60 15.80 16.00

114 5000- 86

70 54 1 1 1 1 1 1 |11 1 1 1 1 1 n/z--> 50 60 70 80 90 100 110 120

6981F.D HP031802.M Tue Mar 26 08:21:12 2002 Page 1

NYC-WTC_000022396