supp data: if >100 & <200 times the pel use niosh/msha ing 3:w/replaceable filter; if >200 times the pel use ing 4: continuous flow type (pos press), w/full facepiece, silica, crystalline - cristobalite silicone dioxide; (diatomaceous earth, flux-calcined)
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:EXPOS TO QUANTITIES OF CRYSTALLINE
SILICA IN EXCESS OF PEL/TLV LISTED IS A KNOWN CAUSE OF SILICOSIS, A
PROGRESSIVE SOMETIMES FATAL LUNG DISEASE. ACUTE: UPPER RESP
IRRITANT - MAY CAUSE COUGHING/THROAT IRRIT. CHRONIC:INHAL OF DUST
IN EXCESS OF THE THRESHOLD LIMIT VALUE (TLV) RECD BY ACGIH OR IN
EXCESS OF THE (SUPP DATA)
Explanation of Carcinogenicity:CRYSTALLINE SILICA: GROUP 2A
(IARC),GROUP 2(NTP).
Effects of Overexposure:INHAL: ACUTE OVEREXPOSURE CAN CAUSE DRYNESS OF
NASAL PASSAGES & CONGESTION OF THE UPPER RESPIRATORY SYSEM. SKIN:
MAY CAUSE DRYNESS; NOT ABSORBED BY SKIN. INGEST: NOT INTENDED FOR
INGESTION - EARTHY TA STE AND TEXTURE. EYES: TEMPORARY IRRITATION
OR INFLAMMATION.
Medical Cond Aggravated by Exposure:PREEXISTING DISEASES OF THE UPPER
RESPIRATORY TRACT AND LUNG SUCH AS BRONCHITIS, EMPHYSEMA, AND
ASTHMA.
======================= First Aid Measures =======================
First Aid:INHAL: REMOVE TO FRESH AIR. SKIN: NONE NECESSARY - IF DRYNESS
OCCURS, USE MOISTURE RENEWING LOTIONS. INGEST: SHORT TERM EXPOSURES
NOT CONSIDERED HARMFUL - DRINK WATER TO REDUCE BULK AND DRYING
EFFECTS . EYES: WASH WITH GENEROUS QUANTITIES OF WATER FOR AT LEAST
15 MINUTES. CONSULT MD IF IRRITATION PERSISTS.
===================== Fire Fighting Measures =====================
Flash Point:NONFLAMMABLE
Extinguishing Media:NONFLAMMABLE. USE MEDIA SUITABLE FOR SURROUNDING
FIRE .
Fire Fighting Procedures:NONFLAMMABLE. WEAR NIOSH/MSHA APPROVED SCBA
AND FULL PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONFLAMMABLE.
Spill Release Procedures:VACUUM CLEAN SPILLAGE, WET SWEEP OR WASH AWAY.
AVOID CREATING DUST.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
====================== Handling and Storage ======================
Handling and Storage Precautions:AVOID CREATING DUST, REPAIR OR
PROPERLY DISPOSE OF BROKEN BAGS.
Other Precautions:AVOID CREATING DUST, MAINTAIN GOOD HOUSEKEEPING
PRACTICES, AND SUPPLY PROPER RESPIRATORY PROTECTION.
Respiratory Protection:NIOSH/MSHA APPRVD RESPIRATORS FOR PROT AGAINST
PNEUMOCONIOSIS PRODUCING DUSTS RECD WHEN DUST IS PRESENT. IF DUST
CONC IS <10 TIMES THE PEL USE NIOSH/MSHA APPROVED QUARTER/HALF MASK
RESPIRATOR W/ REPLA CEMENT DUST FILTER/SINGLE (SUPP DATA)
Ventilation:LOCAL - CONTROL W/IN RECD TLV. REFER TO ACGIH PUBLICATION
"INDUST VENT" OR SIMILAR PUBLICATIONS FOR DESIGN OF VENT SYS.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:NOT NORMALLY NECESSARY.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
HLTH HAZ:PERMISSIBLE EXPOS LIM (PEL) RECD BY OSHA AN EXTENEDED NUMBER
OF YEARS MAY CAUSE SILICOSIS, A PROGRESSIVE SOMETIMES FATAL LUNG
DISEASE. RESP PROT:USE DUST RESPIRATOR W/VALVE. IF DUST CONC IS >
10 TIMES & <100 TIMES THE PEL USE NIOSH/MSHA APPROVED FULL
FACEPLATE RESPIRATOR W/REPLACEABLE DUST FILTER; (ING 3)
HCC:N1
Spec Gravity:2.3 (H2O=1)
Solubility in Water:<2%
Appearance and Odor:ODORLESS, LIGHT PINK TO WHITE POWDER
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
HYDROFLUORIC ACID - SILICA MAY REACT VIOLENTLY WITH HYDROFLUORIC ACID.
Stability Condition to Avoid:NONE KNOWN.
Hazardous Decomposition Products:NONE KNOWN
Waste Disposal Methods:NON-BIODEGRADABLE, USE SOLID WASTE DISPOSAL
COMMON TO LANDFILL TYPE OPERATIONS OR SIMILAR DISPOSAL OR IN SLURRY
TO SUMPS. NOT CONSIDERED A HAZARDOUS WASTE UNDER RCRA (40CFR PART
261.). DISPOSE OF I/A/ W FED, STATE, AND LOCAL REGULATIONS
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.