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 4 Methylene Chloride Concentration Rank 3

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

3.84 3.59 ug/L 2686060 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 9 2 Methylene Chloride 84 CH2C12 000075-09-2 2 3 Methylene Chloride 84 CH2C12 000075-09-22 4 Methylene Chloride 84 CH2C12 000075-0942 1 Abundance Scan 130 (3.843 min): LB.D (-127) (-) m/z 49,. 10 00.00% 49

5000 88 42 38 83 3.40 3.60 3.80 4.00 4.20

n/z-> ol mmTT11‘ lmAaHH 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 “i1" m/z 47.10 /. 46.47% Abundance #111041: Methylene Chloride 49 MMyks/ 84 5000 3.40 3.60 3.80 4.00 4.20

/z-> 2629 41 46 | ,52 59 65 73 77 88 0 TTIPPTTTTTTTTTTTTNTTTTTH 111.. ],,,. ।..,. ।,,., ।..., ।..., ।. i IHTp

Abundance . 5 10 15 20 25 3035404550556065 70 75 80859095 #12327: Methylene Chloride m/ z

"Www/ /erwh 88.00 29.60%

49 84 3.40 3.60 3.80 4.00 4.20 5000 m/z 86.00 27.61%

88

miz-> 14 18 24 2831 353841 0 TIPTTIHTTTTPTTTTTHT +2 70 ■ i ■ ■ ■' i ■ ■ • ■ i ■ “ ■ i ‘1 ■ ■ i" ■ ■ i ■11 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 - Abundance #111040: Methylene Chloride 49 3.40 3.60 3.80 4.00 4.20 84 m/z 51.10 19.17% 5000

35 88

m/z-> 14 2528 32 384 0 TTHHTT—mmg——ut 11. 12 70 t - 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 i ■ ■ ' * i ' • ■ • i * ■ ■ ' i ‘ 3.40 3.60 3.80 4.00 ‘ 1 i ■ ‘ 4.20

LB.D 060302.M Tue Jun 11 08:25:27 2002 Page 7

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