1. VOC Alternatives Barton Solvents, Inc. March 2009

2. Exempt Products  EPA Definition – 40CFR 51.100  Coatings VOC’s  Low Vapor Pressure (LVP) Exemption  Maximum Incremental Reactivity (MIR)

3. EPA Definition Exempt  Acetone  Fast evaporating (V.P. = 185 mmHg)  High solvency  Oil/Water Solubility  Flammable (- 4 F Flash Pt.)  Comparatively Low Odor

4. EPA Exempt (Cont.)  Methyl Acetate  Fast Evaporating (V.P. = 178 mmHg)  Good Solvency  Oil Soluble  Flammable (5 F Flash Point)

5. EPA Exempt (Cont.)  t-Butyl Acetate  Moderate Evaporation  Good Solvency  Oil Soluble  Flammable (40 F Flash Point)  Sweet, Synthetic Odor

6. EPA Exempt (Cont.)  Propylene Carbonate  Slow Evaporation  Good Solvency  Oil Soluble  Combustible (180 F Flash)

7. Low Vapor Pressure  Petroleum Distillates –Flash Points –Evaporation Rates  Exxsol D-80  Exxsol D-110

8. MIR Values  Acetone - 0.43  Methyl Ethyl Ketone - 1.49  Methyl Isobutyl Ketone - 4.31  Methyl Acetate - 0.07  Ethyl Acetate - 0.64  T-Butyl Acetate - 0.20  Propylene Carbonate - 0.25  Glycol Ether PM - 2.62  Glycol Ether EB - 2.90  Isopropyl Alcohol - 0.71  Ethyl Alcohol - 1.69  Toluene - 3.97  Xylene - 7.49  CARB Title 17, COR, Subchapter 8.6

9. Other Alternatives  Dibasic Ester Products – Low V.P. (IRIS)  NMP-Based Blends  New Chemistries – Palm Oil, 2-EH (Eco- Surf)  Water / Water-Based Blends

10. Contact Info. Tom Berkheimer Barton Solvents, Inc. tomb@barsol.com Ph: (515) 265-7998