LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:(ACUTE) UPPER RESP IRRIT-MAY CAUSE
COUGHING/THROAT IRRIT. (CHRONIC) INHAL OF DUST IN EXCESS OF TLV
RECOM BY ACGIH/IN EXCESS OF PEL RECOM BY OSHA OVER EXTENDED NUMBER
OF YRS MAY CAUSE SILICOSIS, PROGRE SSIVE SOMETIMES FATAL LUNG
DISEASE.
Explanation of Carcinogenicity:SILICA, CRYSTALLINE (CRISTOBALITE):
GROUP 2A (IARC), GROUP 2 (NTP).
Effects of Overexposure:INHALATION: ACUTE OVEREXPOSURE CAN CAUSE
DRYNESS OF NASAL PASSAGES AND CONGESTION OF UPPER RESPIRATORY
SYSTEM. SKIN: MAY CAUSE DRYNESS; NOT ABSORBED BY SKIN. INGESTION:
NOT INTENDED FOR INGESTION-EART HY TASTE AND TEXTURE. EYES:
TEMPORARY IRRITATION OR INFLAMMATION.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.
======================= First Aid Measures =======================
First Aid:INHALATION: REMOVE TO FRESH AIR. SKIN: NONE NECESSARY-IF
DRYNESS OCCURS, USE MOISTURE RENEWING LOTIONS. INGESTION: SHORT
TERM EXPOSURES NOT CONSIDERED HARMFUL-DRINK WATER TO REDUCE BULK
AND DRYING EFF ECTS. EYES: WASH WITH GENEROUS QUANTITIES OF WATER
FOR AT LEAST 15 MINUTES. CONSULT PHYSICIAN IF IRRITATION PERSISTS.
===================== Fire Fighting Measures =====================
Flash Point:NONFLAMMABLE
Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING CONDITIONS .
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONFLAMMABLE.
Respiratory Protection:NIOSH/MSHA APPRVD RESP FOR PROT AGAINST
PNEUMOCONIOSIS PRDCG DUSTS RECOM WHEN DUST IS PRESENT. IF DUST CONC
IS <10 TIMES PEL USE NIOSH/MSHA APPRVD QUARTER/HALF MASK RESP
W/REPLACEMENT DUST FILTER/SING LE USE NIOSH/MSHA APPRVD DUST(SUPP
DATA)
Ventilation:LOCAL-CONTROL WITHIN RECOMMENDED TLV.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:NOT NORMALLY NECESSARY.
Work Hygienic Practices:AVOID CREATING DUST, MAINTAIN GOOD HOUSEKEEPING
PRACTICES, AND SUPPLY PROPER RESPIRATORY PROTECTION.
Supplemental Safety and Health
RESP PROT: RESP W/VALVE. IF DUST CONC IS > 10 TIMES & < 100 TIMES PEL
USE NIOSH/MSHA APPRVD FULL FACEPLATE RESP W/REPLACEABLE DUST
FILTER; IF >100 & < 200 TIMES PEL USE NIOSH/MSHA APPRVD POWER
AIR-PUR IFYING (POS PRESS) RESP W/RECPLACEABLE FILTER; IF > 200
TIMES PEL USE NIOSH/MSHA APPRVD TYPE C, SUPP-AIR RESP, (ING 3)
Waste Disposal Methods:NON-BIODEGRADABLE, USE SOLID WASTE DISPOSAL
COMMON TO LANDFILL TYPE OPERATIONS OR SIMILAR DISPOSAL OR IN SLURRY
TO SUMPS. DISPOSE OF IN ACCORDANCE WITH FEDERAL, STATE AND LOCAL
REGULATIONS . NOT CONSIDERED HAZ WASTE UNDER RCRA (40CFRPART 261).
Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.