JAMES RIVER LIMESTONE CO INC -- LIMESTONE  -- 6810-00N050595
<pre>=====================  Product Identification  =====================

Product ID:LIMESTONE
MSDS Date:05/01/1993
FSC:6810
NIIN:00N050595
=== Responsible Party ===
Company Name:JAMES RIVER LIMESTONE CO INC
Address:US 11 SOUTH
Box:617
City:BUCHANAN
State:VA
ZIP:24066-0617
Country:US
Info Phone Num:703-254-1241
Emergency Phone Num:703-254-1241
CAGE:4L187
=== Contractor Identification ===
Company Name:JAMES RIVER LIMESTONE CO INC
Address:US 11 SOUTH
Box:City:BUCHANAN
State:VA
ZIP:24066-0617
Country:US
Phone:703-254-1241
CAGE:4L187

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

Ingred Name:DOLOMITE
CAS:16389-88-1
Fraction by Wt: >99%
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:SILICA, CRYSTALLINE - QUARTZ; (CRYSTALLINE SILICA)
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: <1%
OSHA PEL:0.1 MG/M3 RDUST
ACGIH TLV:0.1 MG/M3 RDUST

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

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:INHAL:CAN BE IRRITATING TO RESPIRATORY
    TRACT. EYE CONTACT:MILD IRRITATION. INGEST:MINIMAL EFFECT. THIS
    PRODUCT CONTAINS VARIABLE QUANTITIES OF CRYSTALLINE SILICA
    (QUARTZ), WHICH IS CONSIDERED A HAZARD  BY INHALATION. CRYSTALLINE
    SILICA IS ALSO A KNOWN CAUSE OF SILICOSIS, A NONCANCEROUS LUNG
    DISEASE.
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ:IARC
    MONOGRAPHS, SUPP, VOL 7, PG 341, 1987:GRP 2A. NTP 6TH ANNUAL RPT ON
    CARCINS, (SUPP DATA)
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:INGEST:CALL MD IMMEDIATELY . INHAL:REMOVE FROM AREA OF
    EXPOSURE & TO FRESH AIR. EYE:FLUSH W/WATER FOR AT LEAST 15 MINUTES.
    IF IRRITATION PERSISTS, OBTAIN MEDICAL ATTENTION. SKIN:WASH FROM
    SKIN W /MILD SOAP & WATER.

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

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:NIOSH/MSHA APPROVED RESPIRATORY PROTECTION
    SHOULD BE WORN DURING CLEAN UP TO PROTECT FROM AIRBORNE DUST.
    MEASURES SHOULD BE TAKEN TO REDUCE AIRBORNE DUST DURING CLEAN UP.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:NONE SPECIFIED BY MANUFACTURER.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:NIOSH/MSHA APPROVED DUST RESPIRATOR IF TLV IS
    EXCEEDED.
Ventilation:LOCAL EXHAUST: AS REQUIRED FOR DUST TO MAINTAIN AIRBORNE
    DUST BELOW TLV. MECHANICAL: AS REQUIRED FOR DUST.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI BAPPRVD SAFTY GLASSES .
Other Protective Equipment:NONE REQUIRED.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EXPLAN OF CARCIN:1991:ANTICIPATED TO BE CARCINOGEN.

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

Spec Gravity:2.84
Solubility in Water:NON SOLUBLE
Appearance and Odor:BUFF OR WHITE COLOR POWDER, GRANULES OR CHIPS; NO
    ODOR.

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

Stability Indicator/Materials to Avoid:YES
REACTS W/STRONG ACIDS TO LIBERATE CARBON DIOXIDE.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE.

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

Waste Disposal Methods:SHOVEL UP MATERIAL & DISPOSE OF IN LANDFILL.
    COMPLY W/APPLICABLE FEDERAL, STATE & LOCAL REGULATIONS.

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