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SIGNIFICANT MATERIAL SUMMARY <br />YANKEE GULCH SODIUM MINERALS PROJECT <br />AMERICAN SODA, L.L.P. <br />Significant Material Significant Ingredients Significant Ingredient Information Other Information <br /> CAS Name SARA/EPCRA CERCLA SARA/EPCRA <br /> Number EHS Hazardous Toxic Chemcial <br /> and TPQ Substance (313) <br /> and RQ <br />Diesel Fuel' 91-20-3 Naphthalene No Yes, 100 Ib Yes Flash point = 110°F <br /> 1330-20-7 Xylenes No Yes, 100 lb Yes Extinguish with CO„ foam, dry chemical, or fog. <br /> Maximum storage quantity = 660 gal, each site <br /> CERCLA reportable quantity (RQ) =unknown <br /> (dependent on the percentage of naphthalene and <br /> xylenes - conservative estimate is 290 gallons <br /> assumin 5% na h[halene and x lenes) <br />Unleaded Gasoline ' 71'13-2 Benzene No Yes, 10 lb Yes Flash point = -45°F <br /> 100-41-4 Ethylbenzene No Yes, 1,00016 Yes Extinguish with CO„dry chemical, halogenated <br /> 108-88-3 Toluene No 1'es, 1,000 Ib 1'es agents, foam, steam, or water fog. <br /> 1330-20-7 Xylenes No Yes, 10016 Ye< Maximum storage quantity = 660 gal, each site <br /> 110-82-7 Cyclohexane No t'es, 1,000 Ib Yes CERCLA reportable quantity (RQ) =approximately <br /> 1634-04-I t\•[i'BE No Yes, 1,000 Ib 1'es 40 gallons (due to the benzene content) <br /> 106-97-8 Butane No Yes, 10,000 Ib No <br /> 192-82-5 N-heptane No No No <br /> 110-54-3 Hexane No Yes, 5,000 Ib n-Hexane only <br /> 109-66-0 Pentane No Yes, 10,000 Ib No <br /> 25551-13-7 Trimeth I benzene No No No <br />Boiler Feed Water 110-91-8 Morpholine No No No Flash point = 133°F <br />Treatment -Corrosion 108-91-8 Cyclohexylamine Yes, 10,000 lb Yes, 1 Ib or No Extinguish with dry chemical, CO„ foam (only use <br />Inhibitor' -1,055 gal of water to cool and disperse fumes) <br /> product Undiluted product is a 0002 Haz. Waste <br /> Health=3, Flammability=2, Reactivity=0 <br /> Maximum story a uantit = 560 al, each site <br />Boiler Feed Water 5064-31-3 Nitrolotriacetic acid, No No No Flash point >200°F <br />Treatment -Scale trisodium salt Extinguish with dry chemical, CO„ foam, or water <br />Inhibitor' 6-t-02-8 Ethylenediamine No No No Undiluted product is a Haz. Waste <br /> tetraacetic acid Health=l, Flammability=l, Reactivity=0 <br /> (EDTA), Maximum storage quantity = 560 gal, each site <br /> tetrasodium salt <br /> <br />= material will be used at Piceance and Parachute Site <br />•= material wJl be used at Parachute Site <br />The rating system for health, Oatrunability, and reactiaity is established by the National Fire Protection Association (NFPA). Ratings range from 0 to 4. <br />