GC/MS blank analysis results, Jan 25 2002

NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\HPCHEM\1\DATA\DEC3101\LBE.D Vial: 40 Acq On 2 Jan 2002 2:43 am Operator: 209 GALOS Sample gems scan 12/19a Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 1,3-Dioxolane, 2-methyl- Concentration Rank 1

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

7.61 3.26 ug/1 1067610 1,4-Dichlorobenzene-d4 11.67

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 1,3-Dioxolane, ethyl- 88 C4H802 000497-26-7 9 2 Pentane, 3-methoxy- 102 C6H140 036839-67-5 9 3 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 4 3-Pentangl, 3-methyl - 102 C6H140 000077-74-7 9 Abundance Scan 280 (7.612 min): LBE.D (-) m/ z 73.0,0 100.00% 73

5000 43 i ■ • ' • i ■ 4 ■ ■ i ■ 1 1 1 I " 1 1 1 1 1

381, | 50 55 61 67, । , 7.20 7.40 7.60 7.80 8.00 ‘ * I ‘ * ‘ M ‘ ‘ I ' • * | I I i 4 | . . . . ( , 87 IQ3 m/z 43.05 32.37% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902:1,3-Dioxolane, 2-methyl- 73

5000 43 7.20 7.40 7.60 7.80 8.00 58 m/z 44.9.5 11.86% 27 87 ... I,.. J ....... m/z-> Abundance 10 20 30 40 *’s" 60 i 1 ' 1 ■ i • 1 ■ ■ i 1 1 ■ ■ i • ■ • ■ i ■ 1 ' 1 1 1 1

#1793; Pentane, 3-methoxy- 70 80 90 100 110 73 —rrinp. 1 pre 1 11 I 1 7.20 7.40 7.60 7.80 8.00 5000 m/z 41.00 11.72% 45

27 . 30 55 1 33 1 1 i ■ ■ ■ ‘ i • ■ ■ ■ i > • ■ • r' • ■ । । ■ । ■ । । । । । i 11 ■ • । ■ ■ ■ ■ । • • • ■ । •11 ।1 1 miz-> 10 20 30 40 50 60 70। 80 90 100 110 Abundance #62932: Silane, tetramethyl- 73 7.20 7.40 7.60 7.80 8.00 m/z 71.0.0 6.97% 5000

45 15 , J 53 59 1 88 1 ■ i ' • i ■ • ■ • I ' 1 1 1 I । Pror l ■ > । । । । 1 ‘ ‘ i ‘ ■ i ‘ ' I 1 1 1 1 1 1 1 f r i l TI ! i*I ij i n l | r? I TT’I m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00

LBE.D GCMS1126.M Fri Jan 25 12:07:21 2002 Page 1

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