Volatile organic compounds blank results, Feb 28 2002

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\02FEB27\3918.D Vial: 4 Acq On : 27 Feb 2002 7:31 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\HP022702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Library : C:\DATABASE\NBS75K.L

Peak Number 2 3-Cyclobutene-l,2-dione, 3,4-d Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T.

15.82 0.07 ug/L 71204 1,4-DIFLUOROBENZENE 15.17

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Cyclobutene-l,2-dione, 3,4-dihydr 114 C4H204 002892-51-5 4 2 2-Oxepanone 114 C6H10O2 000502-44-3 3 3 2H-Pyran-2-one, tetrahydro-4-methyl 114 C6H10O2 001121-84-2 3 4 2,4-Imidazolidinedione, 3-methyl- 114 C4H6N2O21 006843-45-4 3 Abundance . Scan 696 (15.817 min): 3918.D (-) m/z 114.10 100.00% 1 4

5000 50 57 63 88 My m/z-> 20 .... 43 I ■ i • ■ ■ ■ i ‘ ‘ ■ ■ i ■ 1 •

30 40 50 ■ ■ 1 ■ i ■ ■ •

60 70 75 i ■ • • ■ i 1 ■

80 4 110 90 95

100 120 m/z 15.60 15.80 16.00 16.20 63.05 28.18%

Abundance #64087:3-Cyclobutene-1,2-dione, 3,4-dihydroxy- 29 58

5000 11 ' ' r P ■ < । * 1 * i • ■ 114 15.60 15.80 16.00 16.20 m/z 88.00 25.82% 41 ■ i ' ■ ■ ■ i ■ — i ■ ■ ■68 86 ■ i ■ ' ■ ■ i ■ ■ 1 ■ i ■ ■ ■ ■ i ■ ‘ ' ■ i ' ■ ■ i ■ 1 m/z—> 20 30 40 50 60 70 80 90 100 110 120 Abundance #64123:2-Oxepanone 42 55

Issifi T T 15.60 15.80 16.00 16.20 5000 m/z 49.95 23.64%

27 84 70 114 ' i ■1 ■ ■ i ■' ■ ■ i1 • • i • ■ ■ ■ i ' •»i > * • • i * ■ • ■ l * m/z-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #2880:2H-Pyran-2-one, tetrahydro-4-methyl- 42 55 15.60 15.80 16.00 16.20 m/z 57.05 22.18%

5000

70 114 1TL ‘ 1 1 l t I 184 i1 —4+ "d.T I 1 » ! I I t I | I I 1 I | I

m/z--> 20 30 40 50 60 70 80 90 100 110 120 15.60 15.80 16.00 16.20

3918.D HP022702.M Thu Mar 07 17:26:18 2002 Page 2

NYC-WTC_000020716