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:PROD IS MECH IRRIT TO SKIN, EYES
& UPPER RESP SYS. CHRONIC:CRYSTALLINE SILICA HAS BEEN CLASSIFIED AS
PROBABLY CARCINOGENIC FOR HUMANS, BASED ON FINDINGS OF LAB ANIMAL
STUDIES THAT WERE CONSIDERE D SUFFICIENT & DATA FROM
EPIDEMIOLOGICAL STUDIES THAT WERE CONSIDERED LTD. CRYSTALLINE
SILICA CAN CAUSE(EFTS OF OVEREXP)
Explanation of Carcinogenicity:CRYSTALLINE SILICA:IARC GROUP 2A,VOL 7,
P.341, 1987; ANTIC TO BE CARCIN, NTP 6TH ANNUAL RPT ON CARCINOGENS,
1991.
Effects of Overexposure:HLTH HAZ:SILICOSIS, A NON-CANCEROUS LUNG
DISEASE CAUSED BY EXCESS EXPOS TO CRYSTALLINE SILICA. TARGET
ORGANS:LUNGS, SKIN & EYES. SIGNS & SYMPS OF
OVEREXP:INHAL:IRRIT/SORENESS IN THROAT & NOSE. IN EXTR EME EXPOS
SOME CONGESTION MAY OCCUR. SKIN:POSS IRRIT/DRYNESS. INGEST:NOT HAZ
WHEN INGESTED. MAY CAUSE TEMPORARY (SUPDAT)
Medical Cond Aggravated by Exposure:AS WITH ANY DUST, PRE-EXISTING
UPPER RESPIRATORY & LUNG DISEASES MAY BE AGGRAVATED.
======================= First Aid Measures =======================
First Aid:INGEST:CALL MD IMMEDIATELY . SKIN:FLUSH W/COPIOUS AMOUNTS OF
WATER. CALL MD . INHAL:REMOVE TO FRESH AIR. DRINK WATER TO CLEAR
THROAT & BLOW NOSE TO EVACUATE DUST. EYES:FLUSH W/LARGE QUANTI TIES
OF WATER FOR AT LEAST 15 MINUTES. IF IRRITATION PERSISTS CONSULT
MD.
===================== Fire Fighting Measures =====================
Flash Point:NONFLAMMABLE
Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE
Spill Release Procedures:VACUUM CLEAN DUST CREATED DURING FABRICATION.
IF SWEEPING IS NECESSARY USE A DUST SUPPRESSANT (WATER).
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
====================== Handling and Storage ======================
Handling and Storage Precautions:KEEP MATERIAL DRY. ALWAYS SEGREGATE
MATERIALS BY MAJOR HAZARD CLASS. POWER CUTTING EQUIPMENT SHOULD BE
EQUIPPED W/DUST ABATEMENT DEVICE.
Other Precautions:SPECIAL CONSIDERATIONS FOR REPAIR/MAINT OF CONTAM
EQUIP:USE NIOSH/MSHA APPROVED RESP PROT IF IT IS NECESSARY TO CUT
OR ABRADE MATERIAL.
Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR:<10 X PEL, USE 3M
9900; <100 X PEL, USE MSA ULTRA-TWIN W/H FILTER; <200 X PEL, USE
MSA 01-00-06 W/TYPE C SUPPLIED AIR UNIT (CONT FLOW MODE); OR
EQUIVALENTS.
Ventilation:USE ADEQUATE EXHAUST VENTILATION OR DUST COLLECTION.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:MAINTAIN SUFFICIENT HOUSEKEEPING PRACTICES TO
INSURE MINIMUM DUST LEVELS.
Supplemental Safety and Health
APPEAR/ODOR:VISUAL MARKER TO INDICATE ASBESTOS-FREE PROD. EFTS OF
OVEREXP:IRRIT OF GI TRACT. EYES:TEMPORARY IRRIT/INFLAMM.
Waste Disposal Methods:WASTES GENERATED DURING APPLICATION, DEMOLITION,
BREAKAGE OR FABRICATION ARE NOT HAZ WASTES AS DEFINED BY RCRA (40
CFR PART 261). COMPLY W/FEDERAL, STATE & LOCAL REGULATIONS. METHOD
OF DISPOSAL:LANDFI LL.
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.