GCMS blank analysis results for sample AD29931, Jan 2002

NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\1\DATA\DEC31O1\LBC.D Vial: 15 Acq On 1 Jan 2002 12:35 am Operator: 209 GALOS Sample gems scan 12/14a 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 4.79 ug/1 1175610 1,4-Dichlorobenzene-d4 11.68

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 9 2 N-Ethylformamide 73 C3H7NO 000627-45-2 9 3 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 4 Pentane, 3-methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 280 (7.612 min): LBC.D (-) m/z 73.00 100.00% 73

5000 43

m/z~> Abundance 50 55, 60 67, । , 38 |, |e TILBRn——0————T— 10 20 30 j > • । 40 50 60 70 80 90 #62902:1,3-Dioxolane, 2-methyl- 87 103 ■1 * । • • • > i >- 100 । • 110 m/z TT 7.20 7.40 ' 7.60 ' 7.80 8.00

73

5000 43 TTmmave 7.20 7.40 7.60 7.80 8.00 58 m/z 45.05 11.69% 27 87 ! I > | < i i "I I > 1 I 11 | ' I 1 1 1 | 1 1 » • । • 1**1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292; N-Ethyifornamide 30 73 7.20 7.40 7.60 7.80 8.00 5000 44 58

i 15 9mm—m-m---Ir m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- I FFiiji 1* I'pl 11177 "T . 1 : 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.84% 5000

45 : 1,5 , ,| 53 59 88 1 ' i 1 ''' 1 i 1 ■ • ■ I 1 1 1 1 I । । 1 ' i ‘‘‘‘'’i'i • * 1 ■ i i • • • i j * i i i ) i - m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7,80 8.00

LBC.D GCMS1126.M Tue Jan 15 14:52:51 2002 Page 1

NYC-WTC_000017048