GCMS surrogate recovery results, sample AE12326, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052902\12326.D Vial: 17 Acq On : 29 May 2002 11:07 pm Operator: McLean Sample : gc/ms scan 5/28 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library- : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 6 Methylene Chloride Concentration Rank 9

R.T. EstConc Area Relative to ISTD R.T. 4.04 0.62 ug/L 396785 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 45 2 Methylene Chloride 84 CH2C12 000075-09-2/39 3 Methylene Chloride 84 CH2C12 000075-092 9 4 Acetaldehyde, dimethylhydrazone 86 C4H10N2 007422-90-4 5 Abundance Scan 163 (4.037 min): 12326.D (-162) (-) m/z 86.00 100.00% 49 85 /

5000 41 35 83 3.60 3.80 4.00 4.20 4.40 01 —pmTTH WTppmkr m/z 49.10 92.79% 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 84

5000 3.60 3.80 4.00 4.20 4.40 35 m/z 51.10 31.82% 88

miz-> 14 2528 32 3841 Ot mpHHp-rr j i. 11 j 111 > jTTrrprt i j)11. । > 5 10 15 20253035404550556065 70 75 80859095 70 TIWUIWTTmTTTTTTpT +2 4 Abundance #12327: Methylene Chloride 49 84 3.60 3.80 4.00 4.20 4.40 5000 m/z 41.10 29.15%

miz-> 14 18 24 2831 353841 2________ 70 TmnTmmpmptt 0! I I ] I I 1 ip H I | I I I I | 1 I ■ 1 | ! I > | | I I 11 I I | I I I I | I

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 t 88 - w"HWAWipa/ Abundance #111039: Methylene Chloride 49 3.60 3.80 4.00 4.20 4.40 m/z 85.00 23.67% 84 5000

88 2831 3538 43 ,52 57 67 71 77 . 0 nptnpEmmRmof Hmm n/z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20 4.40

12326.D 052202.M Mon Jun 03 11:32:49 2002 Page 9

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