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• <br />• <br />• <br />(COMPLEX MIXTURE) <br />CALCIUM OXIDE <br />CRYSTALLINE SILICA, QUARTZ <br />CRYSTALLINE SILICA, QUARTZ <br />HAZARDOUS <br />INGREDIENTS OSHA PEL <br />(COMPLEX (TWA) <br />MIXTURE) 8/40H <br />CALCIUM 5 <br />OXIDE <br />High Calcium QuickLime.txt <br />(% BY WEIGHT) <br />90 TO 100 <br />0.1 TO 1 <br />0 TO 0.1 (NOTE 1) <br />2 2 5 2 <br />(NOTE 2): <br />ACGIH TLV VERSION 1973 HAS BEEN ADOPTED BY THE MINE SAFETY HEALTH <br />ADMINISTRATION (MSHA) AS THE REGULATORY EXPOSURE STANDARD. <br />SECTION III - PHYSICAL AND CHEMICAL DATA <br />NUMBER <br />1305 -78 -8 <br />14808 -60 -7 <br />14808 -60 -7 <br />EXPOSURE LIMITS (MG /M3) <br />ACGIH TLV RSST VEMP MSHA PEL NIOSH REL NIOSH <br />(TWA) (TWA) (TWA) (TWA) IDLH <br />8/40H 8/40H 8/40H 10 /40H <br />25 <br />CRYSTALLINE 10 /( %SiO2) 0.025 0.1 10 /( %SiO2) 0.05 50 <br />SILICA, +2 RESPIRABLE RESPIRABLE +2 RESPIRABLE <br />QUARTZ RESPIRABLE SILICA SILICA RESPIRABLE SILICA <br />SILICA DUST DUST SILICA DUST <br />DUST DUST <br />CRYSTALLINE 10 /( %SiO2) 0.025 0.1 10 /( %SiO2) 0.05 50 <br />SILICA, +2 RESPIRABLE RESPIRABLE +2 RESPIRABLE <br />QUARTZ RESPIRABLE SILICA SILICA RESPIRABLE SILICA <br />SILICA DUST DUST SILICA DUST <br />DUST DUST <br />(NOTE 1): <br />CONCENTRATION OF CRYSTALLINE SILICA IN A SERIES OF LIME PRODUCTS WILL VARY <br />FROM SOURCE TO SOURCE. IT WAS NOT DETECTED ON SOME SAMPLES ( <0.1% W /W). <br />THEREFORE TWO RANGES ARE BEING DISCLOSED. <br />PHYSICAL STATE: <br />GAS ( ) <br />LIQUID ( ) <br />SOLID (X) <br />ODOR AND APPEARANCE: SLIGHT EARTHY ODOR - WHITE CRYSTALLINE SUBSTANCE <br />ODOR THRESHOLD (P.P.M.): NOT APPLICABLE <br />SPECIFIC GRAVITY: 3.25 - 3.38 <br />VAPOR PRESSURE (MM): NOT APPLICABLE <br />VAPOR DENSITY (AIR =1): NOT APPLICABLE <br />EVAPORATION RATE: NOT APPLICABLE <br />BOILING POINT (DEG. C): 2850 <br />MELTING POINT (DEG. C): 2570 - 2625 <br />SOLUBILITY IN WATER (20 DEG. C): 0.125G/100G SOLUTION <br />Page 2 <br />