GCMS analysis comments for sample AE10205, May 21 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\051602\10205.D Vial: 6 Acq On : 16 May 2002 6:36 pm Operator: Mclean Sample : 5/10 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 1 Methylene Chloride Concentration Rank 5

R.T. EstConc Area Relative to ISTD R.T. 3.73 0.26 ug/L 209562 1,4-Dichlorobenzene-d4 9.93 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 64 2 Methylene Chloride 84 CH2C12 000075-09-2 10 3 Methylene Chloride 84 CH2C12 000075-09-2 9 4 Methylene Chloride 84 CH2C12 000075-09-2 9 Abundance Scan 111 (3.731 min): 10205.D (-94) (-) m/z 84.00 1 00.00% 49 84

MyMasin*""Apwo 5000

l+ 35 41 I 88 3.40 3.60 3.80 m/z 49.10 4.00 99.93%

"Mw/"a 0 1111’1111771131111111 i " '' i' ‘ " i" " i " " r ‘ " I “ mlz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 49 84

5000 3.40 3.60 3.80 4.00 35 m/z 51.05 36.60%

m/z-> 14 2528 32 384 Ot mTHHT TTTTTTHTTTHT Abundance 11. +2 70 TIUINIBTWTMTgt 88 11" " i ■ ■ ■ 5 10 15 20 25 30 35 40 45 50 55 60 - 65 70 75 80 85 90 95 #12327: Methylene Chloride W MaaMMMMywwdd 49 84 3.40 3.60 3.80 4.00 5000 m/z 86.00 25.30%

88 "Mrsu„p”MMpotoon miz-> 14 18 24 2831 353841 O+ TTPTTTTHTTTTTTTTTTTTNTTTTTHTTTT || +2 70 ■ r ■" i" " i" “ r "11 ■1 ■ ‘ i ■11 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 - Abundance #111039: Methylene Chloride 49 3.40 3.60 3.80 4.00 m/z 50.10 19.16% 84 5000 A

88 ol I" " I " " 11"1111" I'2831 3538 43 ,52 57 67 71 77 1'' 11'1' I" 111" 111111 TO—uMTTTDf HP iz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00

10205.D 050102.M Fri May 17 15:01:30 2002 Page 4

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