GCMS surrogate recovery report, sample AE12763, June 2002

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Data File : C:\MSDCHEM\l\DATA\061102\12763 .D Vial: 7 Acq On : 11 Jun 2002 2:46 pm Operator: Sample : re-ext. 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 3 Methylene Chloride Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 3.80 2.42 ug/L 1979140 1,4-dichlorobenzene-d4 9.90 Hit# of 5 /Tentative ID MW MolForm CAS# Qual

1 Methylene/Chloride 84 CH2C12 000075-09-2 4 2 Methylene Chloride 84 CH2C12 000075-09-2 2 3 Methylene Chloride 84 CH2C12 000075-09-2 2 4 Methylene Chloride 84 CH2C12 000075-09-2 2 Abundance 7 Scan 123 (3.802 min): 12763.D (-122) (-) m/z 49.10 100.00% - 49

35 5000-

70 84 88 3.40 3.60 3.80 4.00 4.20 0 “ i'1 ■11 ■ • ■ ■ i"' ■ i “ • ■ i" ■ ■ i - m/z 35.10 55.87% miz-> Abundance 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #111040: Methylene Chloride 49 84 A _/Mpa 5000 ■ i ■ ■ ■ ■ 1 1 1 1 1 I 1 1 1 1 1 1 1 1 1 1 1 3.40 3.60 3.80 4.00 4.20 35 m/z 70.00 18.37%

iz-> 14 2528 32 3841 0 ■ 111 ■' ■ 111 tip ■ “ | " 111111111 । (ITr11111 + $52 ‘ i • ■ ■ ■ i1 ■ ■ • i “ • 70 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 + ‘ 1 ■ । •' i ■"' i' ■1 88

Abundance #111039: Methylene Chloride 49 84 44 3.40 3.60 3.80 4.00 4.20 5000 m/z 42.05 12.25%

0 T—0I"uu—m—u———m—e—mup]n——g—um 2831 3538 43 11,52 57 67 71 77 88 "hr miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride ■ i ■ ' ' ■ i ■ 1 ■ ■ i 1 1 ' ' i ' ■ ‘ ■ i ■ 1 49 3 40 3.60 3.80 4.00 4.20 84 m/z 88.00 — 8.22% 5000

14 18 24 2831 353841 88

m/z—> 0- TIIHmmPPHHg 2 Hmm 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

12763.D 060302.M Tue Jun 11 15:53:48 2002 Page 6

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