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10 0 <br /> 8. Exposure Controls / Personal Protection <br /> Engineering Use local exhaust to keep airborne level below safe exposure guidelines listed <br /> Controls: below. <br /> Personal Protective Equipment: <br /> Eyres and-Face. Wear safety glasses or chemical dust goggles to avoid accidental eye contact. <br /> Respiratory. Not required for properly ventilated areas. Otherwise use a NIOSH approved dust <br /> respirator. <br /> Hands,Arms, Not normally required. Use work glove when handling product transfers or if skin is <br /> and Body: already irritated Use rubber or neoprene gloves for handling product solutions <br /> Other Safety shower and an eyewash should be available for emergency exposures. <br /> _-. --- -- ---_._-----------..-------------__-............................ <br /> Exposure Guidelines: <br /> Ingredient ACGIH TLW ACGISTELH OSHA PEL OSHA California PEL <br /> STEL <br /> _ .....3 _-._._._____. ..__-_-..__ .._ 3 L 3 _._ <br /> Sodium carbonate 3 mg/m None 15 mg/m total None 10 mg/m'total <br /> I Handle as particulates respirable dust dust dust <br /> not otherwise regulated 10 mg/3 inhalable 5 mg/m3 5 mg/m3 <br /> L— _- dust respirable dust respirable dust _� <br /> 9. Physical and Chemical Properties <br /> Appearance&Physical State White, crystalline, ranular solid – <br /> I Odor: None <br /> i Odor Threshold: II None <br /> pH�1%solution) 11.4Ll% solution at 68 °F)— <br /> Specific Gravi _ 2.533 <br /> Bulk Density---_ 55–65 lbs-ft <br /> Initial Boiling Point& Range: — Not applicable -- — <br /> Melting Point/Freezing Point: 1563 °F {851 <br /> Evaporation Rate: Not applicable _ <br /> Percent Volatile: None <br /> Solubility in Water—__---_ 16.3% at 73 °F (22.8 °C)_—_ <br /> Vapoor Density: Not determined <br /> Vapor Pressure: Not determined <br /> I Upper/Lower Flammable Limits: None <br /> Flash Point None <br /> Auto ignition Temperature: Not flammable <br /> Flammability (solid, gas) Not flammable <br /> Octanol/water partition coefficient Not determined <br /> Decomposition temperature Not determined <br /> Viscosity Solid–Not applicable <br /> 10. Stability and Reactivity <br /> Stability: Normals stable <br /> _ -- <br /> Conditions to Avoid: Keep Soda Ash away from aluminum powder, sulfuric acid, fluorine, <br /> phosphorous pentoxide, ammoniacal silver nitrate, and molten lithium. <br /> Materials to avoid May react with strong acids. May form caustic soda in the presence of <br /> hydrated_lime and moisture__ <br /> Polymerization: Will not occur. <br /> Hazardous DecomposiGn Soda Ash decomposes at temperatures above 1000 °C, releasing carbon <br /> I Products dioxide gas (CO2). Carbon dioxide is an asphyxiant and may affect <br /> respiration rate or interfere with breathing. The sodium oxide residue <br /> SDS: THREE ELEPHANT® Dense Soda Ash–March 11, 2015 Page 3 or 5 <br />