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Parachute Site Significant Materials • Diesel fuel • Unleaded gasoline • Boiler feed water treatment chemicals Corrosion Inhibitor Scale Inhibitor Oxygen Scavenger • Sodium bicarbonate and sodium carbonate (solutions and solids) • MVR Crystallizer Chemicals 2 Defoamers Crystal Habit Modifier • Chlorinator Solution • Lime • Sulfuric Acid • Miscellaneous maintenance and janitorial materials - TBD OSHA Hazard information on these significant materials is provided on their respective MSDSs. Copies of typical MSDSs for these materials are included in Appendix D. More specific MSDSs will be provided once the manufacturer/supplier of each material has been chosen. MSDSs for maintenance and janitorial materials are not provided because the materials have not been specified. Maintenance materials will probably include small containers of paint, vehicle maintenance fluids, lubricants, and cleanup solvents. Janitorial materials will include various common cleaning supplies. More information on maintenance and janitorial materials will be provided in the final Response Plan. All of the significant materials will be stored indoors, with the exception of unleaded gasoline and diesel fuel. All significant materials will be stored on concrete or other impermeable surfaces. Boiler feed water treatment chemicals will be delivered to each site in 280-gallon steel ur polyethylene totes. One tote will be stored near the boiler system and the spare tote will be stored in the maintenance building at each site. The MVR crystallizer chemicals will be stored near the MVR crystallizer in the Parachute Site processing building. The MVR crystallizer is part of the sodium carbonate (soda ash) processing line, which is located in the northern portion of the process building. Approximately two 55-gallon drums of each of the MVR crystallizer chemicals will be stored on site at any given time. Chlorinator solution, lime, and sulfuric acid will be stored either in the process building or the maintenance building at the Parachute Site. Approximately two 55-gallon drums of each chemical will be on site at any given time. Unleaded gasoline and diesel fuel will be stored outdoors on bermed concrete pads. The volume of the bermed area will be sufficient to contain the volume of the largest container. At the Piceance Site, the gasoline and diesel tanks will be located just south 19 Prelimuiarv Response Plan Yankee Gulch Sudium Minerals Project American Soda, L.L.P.