GCMS blank analysis results for sample AE11417, May 2002

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Library Search Compound Report Data File : C : \MSDCHEM\ 1 \DATA\ 052002\516LBL. D Vial: 4 Acq On : 20 May 2002 3:44 pm Operator: Mclean Sample : 5/16 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 2-Pentene, 2,3-dimethyl- Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 5.02 0.20 ug/L 148757 1,4-Dichlorobenzene-d4 9.93

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentene, 2,3-dimethyl- 98 C7H14 010574-37-5 72 2 2-Pentene, 4,4-dimethyl-, (E) - 98 C7H14 000690-08-4/72 3 2-Pentene, 3,4-dimethyl-, (E) - 98 C7H14 004914-92-5 72 4 2-Pentene, 3,4-dimethyl-, (Z) - 98 C7H14 004914-91-4 72 Abundance Scan 330 (5.018 min): 516LBL.D (-321) (-) m/ z 83.10 00.00% 55 83

5000 43 98 50 1 38 4.60 4.80 5.00 5.20 5.40

m/z-> Ot i 1 1 1 ■ i ' ' ■ ' i 10 20 30 40 50 60 70 m80 90 100 m/z 55.10 87.52%

Abundance #32863: 2-Pentene, 2,3-dimethyl- 55 83 41

5000 k................. ■ ■ i ■ ' 1 1 । ■ 27 98 4.60 4.80 5.00 5.20 5.40 69 m/z 43.10 42.95% 15 Ot — 111.36,1 |, , 504 463441- 771 —91 wwttwasaw m/z-> 10 20 30 40 50 60 70 80 90 100 Abundance #111632: 2-Pentene, 4,4-dimethyl-, (E)- 55 83

4.60 4.80 5.00 5.20 5.40 5000 41 m/z 98.10 36.97% 98 27

m/z-> Ot 11 10 20 15 I 501 30 40 50 111 67 111 . । 77, । 'i 11 i ' 1 1 1 I ' ■ 1 ■ i 1 60 70 80 +ot 90 l ' 1 100 Abundance #32908: 2-Pentene, 3,4-dimethyl-, (E)- 55 83 4.60 4.80 5.00 5.20 5.40 m/z 39.20 24.17% 41 5000 27 98 15 69 0 — 10 20 — 30 36440+544 50 63 | TI— 60 70 77 t 80 91 1 i 1 1 90 100 4.60 II 4.80 5.00 5.20 5.40

516LBL.D 050102.M Wed May 22 15:57:25 2002 Page 3

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