GCMS blank analysis report for sample AE12735, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\MSDCHEM\1\DATA\06 07 02\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 7 Methylene Chloride Concentration Rank 9 R.T. EstConc Area Relative to ISTD R.T. 4.08 0.98 ug/L 679824 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 32 2 Methylene Chloride 84 CH2C12 000075-09-2 9 3 Methylene Chloride 84 CH2C12 000075-09-29 4 Methylene Chloride 84 CH2C12 000075-09-2 9 Abundance Scan 171 (4.084 min): LBA.D (-170) (-) m/z 49.10 WO. 00% 49

5000 84 36

miz-> + 0+ ■ ■ i" ■ ■ i" i ■ “11" ■ ■ i • ■" i'" • i mmmmmmmp 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Tp-rr 87 m/z 3.80 4.00 51.10 4.20 4.40 48.26% Abundance #111040: Methylene Chloride 49 84

5000 3.80 4.00 4.20 4.40 35 m/z 84.00 40.51% 88 HH1’ +2 41 miz-> 0+ .. 14... 228,32,1283 70 11' 1.1 ■■■■[" ■ 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 11 ‘1" I “ I “ " I ‘1 “ I ■ri 11"1

Abundance #111041: Methylene Chloride 49 84 3.80 4.00 4.20 4.40 5000 m/z 36.10 20.65%

Ot i‘ ■ i" " i" " i 46 2629 I . 52 59 65 41 73 77 THpt i+rTTp-rTTpTrrpTTTp^^ 88 IHT „AMMWMMAW n/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 3.80 4.00 4.20 4.40 84 m/z 86.00 18.91%

5000

88 14 18 24 2831 353841 0 ■ • i ■ * > >j > • 11!11" I'*11111 *'11‘11111" I ’*1111 ......... —P n/z-> 5 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

LBA.D 060302.M Mon Jun 10 11:27:25 2002 Page 10

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