GCMS blank analysis results, June 11 2002

NYC 9/11 Public Portal Document Llbrary searen compound Report

Data File : C:\MSDCHEM\1\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 13 Methylene Chloride Concentration Rank 6

R.T. EstConc Area Relative to ISTD R.T. 4.52 2.17 ug/L 1625050 1,4-dichlorobenzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 59, 2 Chloromethyl propanoate 122 C4H7C102 1000143-86-8/4 3 Ethyl Chloride 64 C2H5C1 000075-00-3 4 4 Oxirane, (chloromethyl)- 92 C3H5C10 000106-89-8 4 Abundance Scan 246 (4.525 min): LB.D (-243) (-) m/z 49.10 0.00% 40 57 41

88 5000 101 35 69 83

miz-> 0! ' ' i ' ' ' ' i ' ■ ‘ ' I 10 20 30 ■ ■ I 40 ■ ' r* ' 50 60 ■ । 70 * I. 80 90 i ■ 1 ' 1

100 i ■ ■ ■ ■ t m/z 4.20 4.40 57.10 4.60 4.80 98.31% Abundance #111040: Methylene Chloride 49 84

5000 MAAAMAAA—AMMAAAAMAAApNL 4.20 4.40 4.60 4.80 35 m/z 41.10 76.95%

m/z-> Abundance 01 14 • > I i'l > i ) i i 10 20 =281141., 411,1111111979—011 -PPP 30 40 50 60 70 #16726: Chloromethyl propanoate 80 90 100 "VMMM4.M"M_nAip, 57 ‘ ‘ ' I ' ' ‘ ' I ' ' ' ' I ‘ ‘ ‘ I ‘ ' I 4.20 4.40 4.60 4.80 5000 m/z 88.00 51.17% 49

01 00* 42 I ! i ■ ■ ■ ■ i ■ ■ ■ • i ————————PT 86 "PAMAR... niz-> 10 20 30 40 50 60 70 80 90 100 Abundance #107943: Ethyl Chloride 1 ' I 1 1 1 ' i ■ • ■ ■ i 23 4.20 4.40 4.60 4.80 m/z 59.00 39.58% 64 5000

49 15 35 0 0* 1 'I1'1 1 ' . jih1. ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ' I • ■ ' ' i ■ ■ ■ ■ i —T n/z-> 10 20 30 40. 50 60 70 80 90 100 4.20 4.40 4.60 4.80

LB.D 060302.M Tue Jun 11 08:26:12 2002 Page 16

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