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 11 Methylene Chloride Concentration Rank 11 R.T. EstConc Area Relative to ISTD R.T.

4.15 1.70 ug/L 1268920 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2(80 2 Methylene Chloride 84 CH2C12 000075-09-272 3 Methylene Chloride 84 CH2C12 000075-09-2 72 4 Methylene Chloride 84 CH2C12 000075-09-2 72 Abundance Scan 182 (4.149 min): LB.D (-180) (-) m/z 49.10 00.00% 49 84 88 5000

42 70 56 ‘ • i ■ ' ■ ■ i ■ ■ ■ ■ i ■

36 3.80 4.00 4.20 4.40 4.60 0 nTTTTTTTTTTTHTTTT ■ ■ • i ■ ■' i ■ ■' ■ i1 ■' m/Z 84.00 68.55% /z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 84 5000- 3.80 4.00 4.20 4.40 4.60

miz-> 14 18 24 2831 353841 || Impmmammgmu 0!TTTTHTTH Abundance J 52________ 70 88 - 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #111041: Methylene Chloride 49 PperWRpAs 84 3.80 4.00 4.20 4.40 4.60 5000 m/z 86.00 44.35% 46 2629 | .52 59 65 41 73 77 88 01TIITTWTTTTTTTTPTTH TTTTTpt —TT miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 49 3.80 4.00 4.20 4.40 4.60 84 /Z 51.05 29.33% 5000

35 88

/z—> 0 ’’i’3 5 14 2528 32 ,38441 TTTTTTHPTTIH —p +2 70 - 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.80 4.00 4.20 4.40 4.60

LB.D 060302.M Tue Jun 11 08:26:03 2002 Page 14

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