MOUNTAIN CEMENT CO -- MOUNTAIN PORTLAND CEMENT-CLASS G  -- 8030-00F040725
<pre>=====================  Product Identification  =====================

Product ID:MOUNTAIN PORTLAND CEMENT-CLASS G
MSDS Date:05/15/1995
FSC:8030
NIIN:00F040725
MSDS Number: BXPLY
=== Responsible Party ===
Company Name:MOUNTAIN CEMENT CO
Address:5 SAND CREEK RD
Box:339
City:LARAMIE
State:WY
ZIP:82070-5000
Country:US
Info Phone Num:307-745-4879
Emergency Phone Num:307-745-4879
CAGE:MTCEM
=== Contractor Identification ===
Company Name:MOUNTAIN CEMENT CO
Address:5 SAND CREEK RD
Box:339
City:LARAMIE
State:WY
ZIP:82070-5000
Country:US
Phone:307-745-4879
CAGE:MTCEM

=============  Composition/Information on Ingredients  =============

Ingred Name:PORTLAND CEMENT, CONTAINS: TRICALCIUM SILICATE, DICALCIUM
    SILICATE, TRICALCIUM ALUMINATE, TETRACALCIUM ALUMINOFERRATE
CAS:65997-15-1
RTECS #:VV8770000
Other REC Limits:50 MPPCF (MSHA)
ACGIH TLV:10 MG/CUM (DUST)

=====================  Hazards Identification  =====================

Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:WET CEMENT CAN DRY THE SKIN & CAUSE
    ALKLALI BURNS. EYES/INHALATION: CEMENT DUST CAN IRRITATE THE EYES &
    UPPER RESPIRATORY SYSTEM. CAN CAUSE INFLAMMATION OF THE LINING
    TISSUE OF THE INTERIOR OF THE NOS E & OF THE CORNEA. HYPERSENSITIVE
    INDIVIDUALS MAY DEVELOP AN ALLERGIC DERMATITIS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:WET CEMENT CAN DRY THE SKIN & CAUSE ALKALI
    BURNS. CEMENT DUST CAN IRRITATE THE EYES & UPPER RESPIRATORY
    SYSTEM. CAN CAUSE INFLAMMATION OF THE LINING TISSUE OF THE INTERIOR
    OF THE NOSE & OF THE CORNEA.  HYPERSENSITIVE INDIVIDUALS MAY
    DEVELOPAN ALLERGIC DERMATITIS.

=======================  First Aid Measures  =======================

First Aid:EYES: IRRIGATE IMMEDIATELY & REPEATEDLY W/WATER. SKIN: WASH
    W/SOAP & WATER. OBTAIN MEDICAL ATTENTION IN ALL CASES.

=====================  Fire Fighting Measures  =====================

Unusual Fire/Explosion Hazard:NON COMBUSTIBLE/EXPLOSIVE.

==================  Accidental Release Measures  ==================

Spill Release Procedures:USE DRY CLEANUP METHODS THAT DON'T DISPERSE
    THE DUST INTO THE AIR. AVOID BREATHING THE DUST.

======================	Handling and Storage  ======================

Handling and Storage Precautions:KEEP PRODUCT DRY UNTIL USED.
Other Precautions:AVOID BREATHING DUST & AVOID PROLONGED CONTACT W/WET
    CEMENT. PRECAUTIONS MUST BE OBSERVED BECAUSE CEMENT BURNS W/LITTLE
    WARNING-LITTLE HEAT IS SENSED.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:IN DUSTY ENVIRONMENTS, USE A NIOSH APPROVED
    RESPIRATOR.
Ventilation:LOCAL EXHAUST CAN BE USED TO CONTROL AIRBORNE DUST LEVELS
Protective Gloves:REQUIRED
Eye Protection:TIGHT FITTING GOGGLES
Other Protective Equipment:BARRIER CREAMS, BOOTS, PROTECTIVE CLOTHING
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

==================  Physical/Chemical Properties  ==================

Spec Gravity:3-3.2
Solubility in Water:SLIGHT
Appearance and Odor:GREY POWDER W/NO ODOR
Percent Volatiles by Volume:0

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
NONE
Hazardous Decomposition Products:NONE

====================  Disposal Considerations  ====================

Waste Disposal Methods:MATERIAL CAN BE DISPOSED OF AS COMMON
    WASTE/RETURNED TO THE CONTAINER FOR LATER USE IF IT IS NOT
    CONTAMINATED. DISPOSE OF IN ACCORDANCE W/LOCAL, STATE & FEDERAL
    REGULATIONS.

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