GCMS analysis results for unknown compounds, June 2002

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Data File C:\MSDCHEM\1\DATA\060702\12742.D Vial: 16 Acq On 7 Jun 2002 8:47 pm Operator: Sample 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 4 Methylene Chloride Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T.

3.84 1.72 ug/L 1128840 1,4 -dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09 2 Methylene Chloride 84 CH2C12 000075-09 3 Methylene Chloride 84 CH2C12 000075-09 4 Methylene Chloride 84 CH2C12 000075-09 Abundance Scan 130 (3,843 min): 12742.D (-129) (-) m/z 49.10 10 49 84 5000

3841 44 । ,88 3.40 3.60 3.80 4.00 4.20

miz-> 01 • ■ । ■ i < ■ ■ > । * * *' i • *" I " I" " I" ।11'" 11 • J J i ■'" i" ■ 'i" " i ■ ■ ■■ i" ■ ■ i" ■ ■ i ■ ■ H m/z 84.00 64.41% 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49 84 5000 3.40 3.60 3.80 4.00 4.20 46 m/z 47.10 63.98%

n/z-> 2629 41 | 152 59 65 73 77 88 0 TTPTTTTTTTTTTTTT |Tt. 1, | . 11 (11 F| ■ i. ■ |. 111!. I. |. I IHP

Abundance 5 10 15 20253035404550556065 70 75 80859095 #111040: Methylene Chloride Nw j"MAo 1 49 84 3.40 3.60 3.80 4.00 4.20 5000 m/z 48.05 12.71% 35 14 88 "MMalo/ 2528 32 2841 70 132 TmBpOMmmmgtungprt Ot nTHTP “ |■ ■ । ‘|1" ' 1 Ti'111 “ ।1 -mm miz-> 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 4.20 m/z 38.00 11.55% 84 5000 h . 88 n/z-> 2831 3538 43 0 TIWpum—mmtm—u—Hn ,12 57 67 71 77 “umummgagu H 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 4.20

12742.D 060302.M Mon Jun 10 11:26:26 2002 Page 7

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