=====================  Product Identification  =====================

MSDS NAME:PORTLAND CEMENT TYPE I
NIIN:00N068779
MSDS Number: CBJLC
=== Responsible Party ===
Company:COLUMBIA NORTHWEST CORP
Address:700 112 NE
Box:3506
City:BELLEVUE
State:WA
ZIP:98004
Country:US
Info Phone Num:206-455-5335
Emergency Phone Num:206-455-5335
CAGE:CLMBN
=== Contractor Identification ===
Company:COLUMBIA NORTHWEST CORP
Address:700 112 NE
Box:3506
City:BELLEVUE
State:WA
ZIP:98004
Country:US
Phone:206-455-5335
CAGE:CLMBN

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

Name:SILICA (TYPE NO SPECIFIED); (FREE SILICA)
Fraction by Wt: <1%
OSHA PEL:N/K 
ACGIH TLV:10 MG/M3

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:MAY CAUSE SKIN OR EYE IRRITATION
    WHEN MOISTURE IS PRESENT. CHRONIC:NOT APPLICABLE.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:RESPIRATORY AILMENTS; SKIN ALLERGY.

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

First Aid:CONSULT PHYSICIAN. INGEST:CALL MD IMMEDIATELY . DO NOT
    INGEST. INHAL:REMOVE TO FRESH AIR. SUPPORT BREATHING (GIVE O*2/ARTF
    RESP) . WEAR DUST RESPIRATOR. EYES:IMMEDIATELY FLUSH W/POTABLE WA
    TER FOR A MINIMUM OF 15 MINUTES, SEEK ASSISTANCE FROM MD . KEEP OUT
    OF EYES; DO NOT RUB EYES. SKIN:WASH OFF WITH WATER.

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

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NOT APPLICABLE.

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

Spill Release Procedures:SWEEP OR VACUUM UP.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN SEALED SILOS AND MEMBRANE
    SACKS. MAINTENANCE PERSONNEL:NORMAL MAINTENANCE.
Other Precautions:NOT APPLICABLE.

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

Respiratory Protection:NIOSH/MSHA APPROVED FACE MASK TYPE DUST
    RESPIRATOR (DISPOSABLE).
Ventilation:LOCAL EXHAUST.
Protective Gloves:CLOTH, RUBBER OR VINYL GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:ANSI APPROVED EMERGENCY EYE WASH AND DELUGE
    SHOWER .
Work Hygienic Practices:WORK PRACTICES:GOOD HOUSEKEEPING. HYGIENIC
    PRACTICES:NORMAL PRACTICES.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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

Spec Gravity:3.15 (H*2O=1)
Appearance and Odor:GRAY POWDER, LITTLE DEFINABLE ODOR.

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

Stability Indicator/Materials to Avoid:YES
ACIDS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NOT APPLICABLE.

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

Waste Disposal Methods:DISPOSAL MUST BE I/A/W FEDERAL, STATE & LOCAL
    REGULATIONS . NORMAL DISPOSAL.

 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.

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