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8.2 Respiratory Protection <br />Avoid actions that caus st to become airborne. Use local or general ilation to control exposures below <br />applicable exposure limits. Use NIOSH/MSHA-approved respirators in poony ventilated areas when dust causes <br />discomfort or irritation, or where there is an applicable exposure limit (Advisory: Respirators and filters purchased <br />after July 10, 1998 must be certified under 42 CFR 84). <br />8.3 Ventilation <br />Use local exhaust or general dilution ventilation to control exposure below applicable limits. <br />8.4 Eve Protection <br />When engaged in activities where cement dust or wet cement or concrete could contact the eye, wear safety glasses <br />with side shields or goggles. In extremely dusty environments and unpredictable environments, wear unvented or <br />indirectly vented goggles to avoid eye irritation or injury. Contact lenses should not be worn when working with <br />Portland cement or fresh cement products. <br />9 PHYSICAL AND CHEMICAL PROPERTIES <br />Appearance <br />Odor <br />Physical state <br />pH (in water)(ASTM D 1293-95) <br />Solubility in water <br />Vapor pressure <br />Vapor density <br />Boiling point <br />Melting point <br />Specific gravity (1-120 = 1.0) <br />Evaporation rate <br />VOC <br />Gray or White powder <br />No distinct odor <br />Solid (powder) <br />12 to 13 <br />Slightly soluble (0.1 to 1.0%) <br />Not applicable <br />Not applicable <br />Not applicable (i.e. > 1000BC) <br />Not applicable <br />3.15 <br />Not applicable <br />None <br />10 STABILITY AND REACTIVITY <br />10.1 Stability <br />Stable when properly stored (dry). Contact with incompatible materials such as acids, ammonia salts or aluminum <br />should be avoided as flammable hydrogen can be released. <br />10.2 Conditions to Avoid <br />Unintentional contact with water. <br />10.3 Incompatibility <br />Wet Portland cement is alkaline. As such it is incompatible with acids, ammonium salts and aluminum metal. <br />10.4 Hazardous Decomposition <br />Will not spontaneously occur. Adding water results in hydration and produces (caustic) calcium hydroxide. <br />10.5 Hazardous Polymerization <br />Will not occur. <br />11 TOXICOLOGICAL INFORMATION - See Section.3 <br />12 ECOLOGICAL INFORMATION <br />12.1 Eco toxicity <br />No recognized unusual toxicity to plants or animals. <br />12.2 Relevant Physical and Chemical Properties <br />(See Sections 9 and 10). <br />13 DISPOSAL <br />Dispose of waste material, including bags, according to local, state, and federal regulations. <br />Page 4 of 5 <br />