GCMS blank analysis results, sample AE11799, May 2002

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\l\DATA\052202\521LB.D Vial: 3 Acq On : 22 May 2002 3:27 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen. Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 6 2-Butyne-1,4-diol, diformate Concentration Rank 9

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

3.92 0.66 ug/L 407455 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butyne-1,4-diol, diformate 142 C6H604 036677-73-3 4 2 Ethanol, 2,2-dichloro- 114 C2H4C120 000598-38-9/4 3 Methane, chloro- 50 CH3C1 000074-87-3 3 4 Methane, chloro- 50 CH3C1 000074-87-3 3 m/z 48.00 100.00%

.MMmw Abundance Scan 143 (3.920 min): 521 LB.D (-142) (-) 48 41 85 5000

' ■ ■ i • ■ ■ ■ i ■ ' ■ ■ i ■ ■ ■ ‘ i ■ ■ ■ ■ i 3.60 3.80 4.00 4.20 58 01 ---------------- " 11 " 1***1 * ■ ‘ ‘ i ■ ' ' ' i • ■ • ‘ i ■ ‘ ‘ ' i • ■ ' ' i ' • m/z 50.00 57.91% miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #381:2-Butyne-1,4-diol, diformate 29 39

5000 51 ■ ■ 1 i • ■ • • i ■ ■ ■ ‘ i • • • ■ i ■ ' ‘ • i 3.60 3.80 4.00 4.20 68 m/z 41.10 53.23%

m/z-> of ... r • 11MC . 11 76 86, 97 105 113 . 125, 10 18 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #1082: Ethanol, 2,2-dichloro- 31 ‘ [*‘‘‘I‘**‘I***‘I*‘*‘I 3.60 3.80 4.00 4.20 5000 rn/z 85.00 51.67%

25 . of ■ ■ i - ■■ ■ l rrt" 37 43 49 55 61 70 77, 83 96 103 114 niz-> 10 20 30I 40 50 60 70 80 90 100 110 120 130 Abundance #111051: Methane, chioro- 50 3,60 3.80 4.00 4.20 m/z 47.00 51.45% 5000

15 u./PMnu, 24 35 11 , 0 11— ‘ ' I ‘ ‘ ‘ ■ I ' ‘ ‘ 1 ‘ ‘ ' I ‘ ‘ ‘ ‘ I ■ ' ' ‘ I ‘ ‘ ' I ' ' 1 ' I ‘ ‘ ■11 ■ • ■' । ‘ 11 • ■ ■ ■ । ■ i m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 3.60 3.80 4.00 4.20

521LB.D 052202.M Tue May 28 11:57:58 2002 Page 9

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