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Attachment B, Technical Revision to the May Day Mine Permit, September 12, 2009. 26 of 35 <br />AEROFLOAT® 208 Promoter. Aqueous USDS: 0000414 teats: o1A7=4 ? Pepe 3of 7 <br />- li <br />i <br />,I <br />7. HANDLING AND STORAGE <br />HANDLING <br />Precautionary Measures: Oa not get in eyes, an skin or on clothing. Wash thoroughly after handling. <br />HandfIng Statements: This product should not be mixed with acids since evolution of toxic and explosive hydrogen <br />sulfide gas could result. This precaution does not, of course, apply to addition of this reagent to flotation pulps in <br />amounts customarily used in flotation. <br />STORAGE <br />None <br />8. EXPOSURE CONTROLSIPERSONAL PROTECTION <br />Engineering Measures: <br />Utilize a closed system process where feasible. Where this material Is not used in a dosed system, good enclosure <br />and local exhaust ventilation should be provided to control exposure. <br />Respiratory Protection: <br />Where exposures are below the established exposure limit, no respiratory protection is required. Where exposures <br />exceed the established exposure limit, use respiratory protection recommended for the material and level of <br />exposure. <br />Eye Protection: <br />Prevent eye and skin contact. Provide eye wash fountain and safety shower in dose proximity to points of potential <br />exposure. Wear eye/face protection such as chemical splash proof goggles or face shield. <br />Skin Protection: <br />Prevent contamination of skin or clothing when removing protective equipment. Wear impermeable gloves and <br />suitable protective clothing. <br />Additional Advice: <br />Food, beverages, and tobacco products should not be carried, stoned, or consumed where this material is in use. <br />Before eating, drinking, or smoking, wash face and hands thoroughly with soap and water. <br />9. PHYSICAL AND CHEMICAL PROPERTIES <br />Color: yellow to amber <br />Appearance: liquid <br />Odor noticeable <br />Boiling Point: Not available <br />Melting Point: -21 °C -5 °F <br />Vapor Pressure: Similar to water <br />Specific Gravity. 1.1175 (g 25 °C <br />Vapor Density: Similar to water <br />Percent Volatile (By wt.): -50(w2ter) <br />pH: 11.0(minimum) <br />Saturation In Air (9b ey Vot.): Similar to water <br />Evaporation Rate: Similar to water <br />solubility in Water. Complete <br />Volatile Organic content: <br />Flash Point: >93 °C 200 °F <br />(freezing point) <br />Closed Cup