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Page 5 of 11 <br /> Safety Data Sheet <br /> occupational hygiene: stored and processed.Workers should wash hands and face before eating,drinking and <br /> smoking. <br /> Conditions for safe storage: Store and handle in accordance with all current regulations and standards.Keep separated <br /> from incompatible substances. <br /> ExposureSection 8. <br /> Occupational Exposure Limits <br /> Ingredient name Exposure limits <br /> ACGIH TLV(United States,3/2012). <br /> TWA: 1 mg/m3 8 hours.Form: Respirable <br /> NIOSH REL(United States,6/2009). <br /> Portland Cement Clinker TWA:5 mg/m310 hours. Form: Respirable <br /> TWA: 10 mg/m3 10 hours. Form:Total <br /> OSHA PEL(United States,6/2010). <br /> TWA:5 mg/m3 8 hours.Form: Respirable <br /> TWA: 15 m /m3 8 hours. Form:Total <br /> ACGIH TLV(United States,3/2012). <br /> TWA:0.025 mg/m3 8 hours.Form: Respirable <br /> NIOSH REL United States,6/2009). <br /> Quartz(crystalline silica) TWA:0.05 mg/m 8 hours. Form: Respirable <br /> OSHA PEL Z-3(United States,9/2005). <br /> TWA: 10mg/m3 divided by%Si02+2:Respirable <br /> TWA:30m /m3 divided b %Si02+2:Total <br /> ACGIH TLV(United States,3/2012). <br /> TWA: 10 mg/m3 8 hours. Form:Total <br /> NIOSH REL(United States,6/2009). <br /> Limestone TWA:5 mg/m310 hours. Form: Respirable <br /> TWA: 10 mg/m310 hours. Form:Total Dust <br /> OSHA PEL(United States,6/2010). <br /> TWA:5 mg/m3 8 hours.Form: Respirable <br /> TWA: 15 m /m38 hours.Form:Total dust <br /> ACGIH TLV(United States,3/2012) <br /> TWA: 10 mg/m3 8 hours. Form: Respirable <br /> NIOSH REL(United States,6/2009) <br /> TWA 5 mg/m3 8 hours.Form: Respirable <br /> Gypsum TWA 10 mg/m3 8 hours. Form:Total <br /> OSHA PEL Z-1 (United States,2/2006) <br /> TWA 5 mg/m3 8 hours.Form: Respirable <br /> TWA 15 mg/m3 8 hours. Form:Total <br /> ACGIH TLV(United States,3/2012) <br /> TWA:3 mg/m3 8 hours.Form: Respirable <br /> TWA: 10 mg/m3 8 hours. Form:Total dust <br /> Particulates Not Otherwise Regulated(Total Dust) <br /> OSHA PEL(United States,6/2010). <br /> TWA:5mg/m3 8 hours.Form: Respirable <br /> TWA: 15 m /m3 8 hours. Form:Total dust <br /> Controls <br /> Appropriate engineering controls: Use only with adequate ventilation. If user operations generate dust, use process enclosures, <br /> local exhaust ventilation or other engineering controls to keep worker exposure to airborne <br /> contaminants below any recommended or statutory limits. <br />