*  Exposure Controls/Personal Protection  *
Respiratory Protection:WHEN EXPOSURE TO DUST FROM PRODUCT EXCEED
    EXPOSURE LIMITS USE MSHA/NIOSH APPROVED DUST RESPIRATOR FOR THE
    DUST SHOULD BE USED.
Ventilation:LOCAL EXHAUST TO KEEP EXPOSURES BELOW LIMITS FOR SILICA,
    PORTLAND CEMENT & NUISANCE DUST.
Other Protective Equipment:EYEWASH & SAFETY SHOWERS
Supplemental Safety and Health
NK
*  Product Identification  *
Product ID:THORO SYSTEM PRODUCTS
Preparer's Name:LAWRENCE TEMPLIN
*  Composition/Information on Ingredients  *
Ingred Name:SILICA, CRYSTALLINE QUARTZ
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:0.1 MG/M3
Ingred Name:PORTLAND CEMENT
Other REC Limits:NONE RECOMMENDED
Ingred Name:CALCIUM HYDROXIDE
Fraction by Wt: 1-5%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:5 MG/M3
ACGIH TLV:5 MG/M3
*  Hazards Identification  *
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NOOSHA:NO
Health Hazards Acute and Chronic:EYE: IRRITATION, BURN, CORNEAL
    ABRASIONS. SKIN: DRYNESS, ITCHING, RASH, BURNS, DERMATITIS,
    SENSITIZATION. INHAL: FIBROSIS OF THE LUNGS, RESPIRATORY TRACT
    IRRITATION, MUCOUS MEMBRANE DAMAGE. INGEST: DI GESTIVE TRACT
    IRRITATION.
*  First Aid Measures  *
    AIR. OXYGEN IF NEEDED. INGEST: DRI 1-2 GLASSES OF WATER. IN ALL
    CASES,  GET MED AID.
*  Fire Fighting Measures  *
Flash Point:NONE
Lower Limits:NA
Upper Limits:NA
Extinguishing Media:NA
Fire Fighting Procedures:NA
*  Accidental Release Measures  *
Spill Release Procedures:COLLECT SPILLED POWDER BY DUSTLESS METHODS AND
    PLACE IN A CONTAINER. DIKE SPILL OF MIXED MATERIALS. MIX
    W/ABSORBENT MATERIAL AND SHOVEL INTO WASTE CONTAINER. AVOID
    GENERATING DUST. WET MATERIAL MAY BE  SLIPPERY.
*Handling and Storage  *
Handling and Storage Precautions:STORE IN A COOL DRY AREA OFF THE
    GROUND. MINIMIZE GENERATION OF DUST.
*  Physical/Chemical Properties  *
Vapor Pres:NA
Vapor Density:NA
Solubility in Water:SLIGHT
Appearance and Odor:GRAY POWDERED SOLID, NO ODOR.
Percent Volatiles by Volume:NIL
*  Stability and Reactivity Data  *
Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS SUCH AS ORGANIC & INORGANIC ACIDS. ACIDS WILL
    REACT W/CEMENT, LIME & CARBONATE.
Stability Condition to Avoid:PRODUCT HYDRATES AT A SLOW CONTROLLED RATE
    WHEN MIXED W/WATER RELEASING MINIMAL HEAT.
*  Disposal Considerations  *
Waste Disposal Methods:REUSE POWDER/MIXED MATERIAL IF UNCONTAMINATED.
    DISCARDED PRODUCT AND HARDENER MORTAR ARE NON-HAZARDOUS UNDER RCRA.
    EMPTY CONTAINERS MAY RETAIN SMALL AMOUNTS OF RESIDUE PRODUCT.
    DISPOSE OF IN ACCORDANC E W/LOCAL, STATE & FEDERAL REGULATIONS.
