CALAVERAS CEMENT CO -- PORTLAND CEMENT  -- 5610-00N010286
<pre>=====================  Product Identification  =====================

Product ID:PORTLAND CEMENT
MSDS Date:11/20/1989
FSC:5610
NIIN:00N010286
MSDS Number: BXRFQ
=== Responsible Party ===
Company Name:CALAVERAS CEMENT CO
Address:KERN COUNTY
City:MONOLITH
State:CA
ZIP:93548
Country:US
Info Phone Num:805-872-4445
Emergency Phone Num:415-256-8837
Preparer's Name:C TRUSTY
CAGE:OOO50
=== Contractor Identification ===
Company Name:CALAVERAS CEMENT COMPANY
Address:7677 OAKPORT STREET, SUITE 400
Box:City:OAKLAND
State:CA
ZIP:94621
Phone:(916)275-1581 (STAN CRAMER)
CAGE:OOO50

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

Ingred Name:POTASSIUM BISULFATE; (K2SO4)
CAS:7646-93-7
RTECS #:TS7200000
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:SODIUM SULFATE; (NA2SO4)
CAS:7757-82-6
RTECS #:WE1650000
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:SILICA(TYPE NOT SPECIFIED); (75% INSOL RESIDUE, FRACTION OF
    RESIDUES MAY BE FREE CRYSTALLINE SILICA). % (WT):FRACTION
Fraction by Wt: SEE ING
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:TRICALCIUM SILICATE; (3CAO.SIO2); ACGIH TLV:TOTAL DUST
    CNTNG NO ASBESTOS & LESS THAN 1% SILICA-10 MG/M3. OSHA (ING 2)
CAS:12168-85-3
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:ING 1:PEL (TRANSITIONAL) TOTAL DUST-50 MILLION
    PARTICLE/FT3; (FINAL) TOTAL DUST-10 MG/M3 RESPIRABLE DUST 5 MG/M3.
RTECS #:9999999ZZ

Ingred Name:DICALCIUM SILICATE; (2CAO.SIO2)
CAS:10034-77-2
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:TRICALCIUM ALUMINATE; (3CAO.AL2O3)
CAS:12042-78-3
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:TETRACALCIUM ALUMINOFERRATE; (4CAO.AL2O3.FE2O3)
CAS:12068-35-8
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:GYPSUM; (CASO4.XH2O)
CAS:13397-24-5
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:CALCIUM OXIDE; (CA*O)
CAS:1305-78-8
RTECS #:EW3100000
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:MAGNESIUM OXIDE; (MG*O)
CAS:1309-48-4
RTECS #:OM3850000
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:WET CEMENT, ESPECIALLY AS
    INGREDIENT IN PLASTIC (UNHARDENED) CONCRETE, MORTAR/SLURRIES CAN
    DRY SKIN & CAUSE CAUSTIC BURNS. DIRECT CONT W/EYES CAN CAUSE IRRIT.
    INHALATION CAN IRRITATE UPPER RESP	SYS. CHRONIC:CEMENT DUST CAN
    CAUSE INFLAM OF LINING TISSUE OF INTERIOR OF NOSE & INFLAM OF
    CORNEA. (EFFECTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:HYPERSENSITIVE INDIVIDUALS MAY DEVELOP
    AN ALLERGIC DERMATITIS. (CEMENT MAY CONTAIN TRACE (LESS/0.05%)
    AMOUNTS OR CHROMIUM SALTS/CMPDS INCLDG HEXAVALENT CHROMIUM/OTHER
    METALS FOUND TO BE HAZ/T OX IN SOME CHEM FORMS. (OTHER METALS ARE
    MOSTLY PRESENT AS TRACE SUBSTITUTIONS W/IN PRINCIPLE MINERALS.)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:INGEST:CALL MD IMMEDIATELY . INHAL:REMOVE TO FRESH AIR.
    SUPPORT BREATHING (GIVE O*2/ARTF RESP) . EYES:IMMEDIATELY FLUSH
    W/POTABLE WATER FOR MINIMUM OF 15 MINUTES, SEEK ASSISTANCE FROM MD
    ( ). SKIN:FLUSH W/COPIOUS AMOUNTS OF WATER. CALL MD .

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

Flash Point:SUPDAT
Extinguishing Media:NOT APPLICABLE. MEDIA SUITABLE FOR SURROUNDING FIRE
    .
Fire Fighting Procedures:NOT APPLICABLE. USE NIOSH/MSHA APPROVED SCBA &
    FULL PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:USE DRY CLEANUP METHODS THAT DO NOT DISPERSE
    DUST INTO AIR. AVOID BREATHING DUST. EMERGENCY PROCEDURES ARE NOT
    REQUIRED.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:PRECAUTIONS MUST BE TAKEN. CEMENT
    BURNS WITH LITTLE WARNING-LITTLE HEAT IS SENSED.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE FOR
    EXPOSURE OF CONCERN .
Ventilation:LOCAL EXHAUST CAN BE USED TO CONTROL AIRBORNE DUST LEVELS.
Protective Gloves:IMPERVIOUS, ABRASION- & ALKALI-(SUPDAT)
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EMERGENCY EYE WASH & DELUGE
    SHOWER . USE BARRIER CREAMS, BOOTS & PROT CLTHG.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
FL PT:NONCOMBUSTIBLE AND NOT EXPLOSIVE. PROT GLOVES:RESIST GLOVES.

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

Spec Gravity:3.15 (H*2O=1)
pH:12.4
Solubility in Water:SLIGHT (0.1-1.0%)
Appearance and Odor:GRAY OR WHITE POWDER; NO ODOR.

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

Stability Indicator/Materials to Avoid:YES
ALUMINUM POWDER & OTHER ALKALI & ALKALINE EARTH ELEMENTS WILL REACT IN
    WET MORTAR/CONCRETE, LIBERATING HYDROGEN GAS.
Stability Condition to Avoid:KEEP DRY UNTIL USED.
Hazardous Decomposition Products:NONE.

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

Waste Disposal Methods:SM AMTS OF MATL CAN BE DISPOSED OF AS COMMON
    WASTE/RETURNED TO CNTNR FOR LATER USE IF IT IS NOT CONTAMD. LG
    VOLUMES MAY REQ SPECIAL HANDLING. DISPOSAL MUST BE I/A/W FEDERAL,
    STATE & LOCAL REGULATIONS  .

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