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:PRODUCT CONTAINS CRYSTALLINE
SILICA(CS), WHICH IS CONSIDERED A HAZ BY INHAL. ACUTE: INHAL: IRRIT
& SORENESS IN THROAT & NOSE. IN EXTREME EXPOS, CONGESTION MAY
OCCUR. EYES: TEMPORARY IRRITATION/INFLAMM ATION. CHRONIC:
CRYSTALLINE SILICA HAS BEEN CLASSIFIED AS PROBABLY CARCINOGENIC FOR
HUMANS. (EFTS OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ: IARC
MONOGRAPHS, SUPP. VOL 7, PG 341, 1987: GROUP 2A. NTP 7TH ANNUAL
REPORT ON (SUPDAT)
Effects of Overexposure:HLTH HAZ: CRYSTALLINE SILICA IS ALSO A KNOWN
CAUSE OF SILICOSIS, A NON-CANCEROUS LUNG DISEASE CAUSED BY EXCESS
EXPOSURE TO CRYSTALLINE SILICA. TARGET ORGANS: LUNGS, EYES.
Medical Cond Aggravated by Exposure:PRE-EXISTING UPPER RESPIRATORY &
LUNG DISEASE SUCH AS, BUT NOT LIMITED TO BRONCHITIS, EMPHYSEMA &
ASTHMA.
======================= First Aid Measures =======================
First Aid:INHAL: REMOVE TO FRESH AIR. DRINK WATER TO CLEAR THROAT &
BLOW NOSE TO EVACUATE DUST. SKIN: FLUSH W/COPIOUS AMOUNTS OF WATER.
CALL MD. INGEST: CALL MD IMMEDIATELY. EYES: FLUSH EYES W/LARGE
QUANT ITIES OF WATER FOR AT LEAST 15 MINUTES.IF IRRIT PERSISTS
CONSULT MD.
===================== Fire Fighting Measures =====================
Flash Point:NONFLAMMABLE
Extinguishing Media:USE 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 WITH EQUIPMENT FITTED WITH
HEPA FILTER. USE A DUST SUPPRESSANT SUCH AS WATER IF SWEEPING IS
NECESSARY.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
====================== Handling and Storage ======================
Handling and Storage Precautions:REPAIR ALL BROKEN BAGS IMMEDIATELY.
ALWAYS SEGREGATE MATERIALS BY MAJOR HAZARD CLASS.
Other Precautions:INSURE PROPER RESPIRATORY PROTECTION FOR REPAIR OR
MAINTENANCE OF CONTAMINATED EQUIPMENT.
Respiratory Protection:<10X PEL, USE 3M 9900; <100X PEL, USE MSA
ULTRA-TWIN WITH H FILTER; <200X PEL, USE MSA 01-00-06 W/TYPE C
SUPPLIED AIR UNIT(CONT.FLOW MODE); OR EQUIVALENT. ALL RESPIRATORS
MUST BE NIOSH/MSHA APPROVED(F P N).
Ventilation:USE SUFFICIENT NATURAL/MECH VENTILATION TO KEEP DUST LEVEL
BELOW LEL.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEM SAFETY GOGGLES
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EXPLAN OF CARCIN: CARCINOGENS, 1994: ANTICIPATED TO BE CARCINOGEN.
SILICA, CRYSTALLINE-CRISTOBALITE: IARC MONOGRAPHS, SUPP, VOL 7, PG
341, 1987: GROUP 2A. NTP 7TH ANNUAL REPORT ON CARCINOGENS, 1994: A
NTICIPATED TO BE CARCINOGEN.
Spec Gravity:2.3 (H*2O=1)
Solubility in Water:NEGLIGIBLE
Appearance and Odor:FINE WHITE POWDER, NO ODOR.
Percent Volatiles by Volume:NIL
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
HYDROFLOURIC ACID.
Stability Condition to Avoid:NONE IN DESIGNED USE.
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.
Waste Disposal Methods:WASTES ARE NOT HAZARDOUS AS DEFINED BY
RCRA(40CFR PART 261). COMPLY WITH LOCAL, STATE & FEDERAL
REGULATIONS. METHOD OF DISPOSAL- LANDFILL. REPORTABLE QUANTITY-
N/A.
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.