GCMS blank analysis results, June 11 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\0610022\LB.D Vial: 7 Acq On : 10 Jun 2002 3:54 pm Operator: Sample : gc/ms scan 6/7 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98. L Peak Number 12 Methylene Chloride Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 4.18 3.59 ug/L 2681240 1,4-dichlorobenzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 7 2 2H-1,2-Oxazine, 3,6-dihydro-3-me... 99 C5H9NO 107468-64-4 8 3 2-Chloroethanol 80 C2H5C1O 000107-07-3 4 4 Borane, trifluoro- 68 BF3 007637-0742 2 Abundance Scan 188 (4.184 min): LB.D (-186) (-) m/z 84.00 '00.00% 49 84

5000 41 35 98 ... 3.80 4.00 4.20 4.40 4.60

mz-> Of -1 10 20 30 40 - 50 60 70 80 * * I ' 90 100 m/z 49.10 85.37% Abundance #111040: Methylene Chloride 49 84

5000 3.80 4.00 4.20 4.40 4.60 35 m/z 41.00 34.86%

miz-> Abundance Of 14 28 ' 1 1111 1 ■ I ■ ■ ■ । i ' 10 20 30 40 i 70 1 I 1 ■ * * । ' । * > । * * * ' । । 50 60 70 #33744:2H-1,2-Oxazine, 3,6-dihydro-3-methyl- 80 I................. 90 100 MoWrwMWMaly 8|4

3.80 4.00 4.20 4.40 4.60 67 m/z 48.00 28.15% 5000

01 37 i ) I । ' 1 1* 42 53

1158,. 1173.. 1" 1 ■ ' I ' 99

—— 1 1 ■ ■ ' i "Aytd...... m/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #108328:2-Chloroethanol 31 3.80 4.00 4.20 4.40 4.60 m/z 35.10 26.32%

5000 44 *Mpmu—_. 49 _ 80 n/z-> 0 ' ' i ' ' ■ 1 I ' ' ' 1 I 10 20 30 26, ,111,1/1/1,157/63., 40 50 60 'I 1 1 1 ''I'1 1 1 1 । * 1 1 1 । 1 1 1 * । 70 80 90 100 3.80 4.00 4.20 4.40 4.60

LB.D 060302.M Tue Jun 11 08:26:06 2002 Page 15

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