Volatile organic compounds analysis results, March 26, 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\HPCHEM\1\DATA\02MAR26\7110.D Vial: 6 Acq On : 26 Mar 2002 5:54 pm Operator: 201-wb Sample : nyc 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 3-Cyclobutene-l,2-dione, 3,4-d Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

15.75 0.03 ug/L 10512 1,4-DIFLUOROBENZENE 15.09

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 3-Hexanone, 2-methyl- 114 C7H14O 007379-12-6 4 3 4-Heptanone 114 C7H14O 000123-19-3 3 4 1,4-Dioxin, 2,3-dihydro-5,6-dimethy 114 C6H10O2 _______ 025465-18-3 3 Abundance Scan 692 (15.750 min): 7110.D (-) m/z 114.05 100.00% 1 4

5000 63 > i ■ ■ ■ ■ । > ■ ' 1 1 1 1 ■ ' i ' 15.40 15.60 15.80 16.00 44 m/z 63.05 40.45% m/z-> ‘ i ' 1 1 ' i ' ' ■ ‘ i ‘ 10 20 30 ' 1 i ■ ' ' ' i ' 40 50 ■ i ■ ■ । > i • ■ ■ ■ । 60 70 80 • i • । 90 ■ i ■ > • ■ । ■ 100 110 120 A Abundance #2826: 3-Cyclobutene-1,2-dione, 3,4-dihydroxy- 29 58

5000- i ' ' ' 1 I 1 1 ' 1 I 1 114 15.40 15.60 15.80 16.00 m/z 43.95 15.62% 86

m/z-> Abundance - 17 10 20 —30PPP 40 68 WWWAAN i ' 1 1 1 i 1 1 ' 1 i ' 40 50 60 70 80 90 100 110 120 #64192: 3-Hexanone, 2-methyl- 1 । । । ■ i ■ ' 11 ■ 1

43 71 TT T1 15.40 15.60 15.80 16.00 5000-

114

m/z->10 20 30 + 55 -PPPT 40 50 60 ■,। 86 99 'I1''■i''11i'11'11‘'1i1 1'l'1 70 80 90 100 110 120 Abundance #64151: 4-Heptanone 43 71

5000 27

114 58 /z--> 15 1 1 I 1 ''' 1 I 1 ' 1 10 20 mPP +—PP TTT 30 40 50 60 70 86 99 ' i ' ' ' ' I 1 ' ' ' i ' ■ ' ' i ' 80 90 100 110 120

7110.D HP031802.M Wed Mar 27 09:35:11 2002 Page 1

NYC-WTC_000022448