GCMS blank analysis report for sample AE12735, June 2002

NYC 9/11 Public Portal Document ulbrary searen compound Keporc

Data File C:\MSDCHEM\1\DATA\060702\LBA.D Vial:. 10 Acq On 7 Jun 2002 3:55 pm Operator: Sample gc/ms scan 6/3 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 10 Methylene Chloride Concentration Rank 11 R.T. EstConc Area Relative to ISTD R.T.

5.36 0.32 ug/L 219325 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 58 2 Methylene Chloride 84 CH2C12 000075-09-2 53 3 Methylene Chloride 84 CH2C12 000075-09-2 53 4 Methylene Chloride 84 CH2C12 000075-09/2 30 Abundance Scan 387 (5.353 min): LBA.D (-385) (-) m/z 49.10 100.00% 43 207

5000 84 96 191 35 5.00 5.20 5.40 5.60 5.80

mJz-> 0- —ll 20 40 i 1 1 i 1 1 1 1 1 60 80 100 120 140 160 180 200 m/z 206.95 99.13% Abundance #12327: Methylene Chloride 43

84 5000- 500 5.20 5.40 5.60 5.80 m/z 84.00 43.69% 0- 14 24 36,1 70 niz-> 20 40 ■ r1 60 ' r1 80 1100 "120/1140/"1480 1480 1200 Abundance #111041: Methylene Chloride 43

84 500 5.20 5.40 5.60 5.80 5000 m/z 86.00 31.56%

0- 29 lli 59 73 IIP—1 ' ■ i ■ ■ 1 ■ i' 1 ioo 1 120 ' 140 niz-> 20 40 60 80 ' 160 ' 180 200” Abundance #111039: Methylene Chloride 43 5.00 5.20 5.40 5.60 5.80 m/z 87.90 26.36% 84 5000 MWnikoy miz—> 0 -35, 20 40 71 • r l • > ■ ■ I -I 60 80 1 ’ 100 120 ' 140 ' 160 180 200 5.00 5.20 5.40 5.60 5.80

LBA.D 060302.M Mon Jun 10 11:27:31 2002 Page 13

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