GCMS blank analysis results, Jan 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\DEC1301\LB.D Vial: 4 Acq On : 13 Dec 2001 12:47 pm Operator: 209 GALOS Sample : gems scan 12/6 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 Silane, tetramethyl- Concentration Rank 1

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

7.60 3.51 ug/1 1020400 1,4-Dichlorobenzene-d4 11.68

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Silane, tetramethyl - 88 C4H12Si 000075-76-3 9 2 N-Ethylformamid 73 C3H7NO 000627-45-2 9 3 1,3-Dioxolane,/ 2-(3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 4 Pentane, 3 -methoxy- 102 C6H140 036839-67-5 9 Abundance t Scan 278 (7,599 min): LB.D (-) m/z 73.00 100.00% i I 73

5000 43 7.20 7.40 7.60 7.80 8.00 0 ■ . । । । ■ ■ ■ < । ■ 38,11 . 55 ... . 671 |..........87 ............. 103.................... ■ i ■ ■ ■ ■ i ■ m/z 43.00 27.63% 'm/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #62932: Silane, tetramethyl- 73 I i 5000 । 7.20 7.40 7.60 7.80 8.00 45 m/z 41.05 10.20% 15 i ' ■ ' ' i ■ 1 ■ 1 1 1 | 53 59 1 | I l'i ' | i’i*i-i‘| i 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #292: N-Ethylfonnaniiae 30 73 7.20 7.40 7.60 7.80 8.00 5000 m/z 44.95 10.02% 44 58

15 ■ i ■ ■ • : 4 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #49423: 1,3-Dioxolane. 2-(3-bromo-5,5,5-trichloro-2,2-dimet 1 । 1 1 ‘ 1 । 1 T 1 1 । 1 "i "IIDnT 1 1i 73 7.20 7.40 7.60 7.80 8.00

| m/z 71.00 6.45% 5000- I I 45 I

''m/z- .................36 11 55 ' ' I ' ' ' 1 1 1 ' 1 ‘ I ' 1 1 ' i ' ' ' ' I ' 67, ' i 1 1 ' 1 i ' ..................... 109115 TTmfmumm 10 20 30 40 50 60 70 80 90 100 110 120 7.20 7.40 7.60 7.80 8.00

LB.D GCMS1126.M Fri Dec 21 13:17:38 2001 Page 1

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