W R GRACE & CO -- ZONOLITE STABILIZED CONCRETE AGGREGATE  -- 8720-00F026509
<pre>=====================  Product Identification  =====================

Product ID:ZONOLITE STABILIZED CONCRETE AGGREGATE
MSDS Date:02/16/1989
FSC:8720
NIIN:00F026509
MSDS Number: BQJKP
=== Responsible Party ===
Company Name:W R GRACE & CO
Address:62 WHITTEMORE AVE
City:CAMBRIDGE
State:MA
ZIP:02140-1623
Country:US
Info Phone Num:617-876-1400 EXT 3140
Emergency Phone Num:617-876-1400 EXT 3140
CAGE:1BX64
=== Contractor Identification ===
Company Name:GRACE W R AND CO DEWEY AND ALMY CHEMICAL DIV
Address:62 WHITTEMORE AVE
Box:City:CAMBRIDGE
State:MA
ZIP:02140-1623
Country:US
Phone:617-876-1400
CAGE:17486
Company Name:W R GRACE & CO
Address:55 HAYDEN AVE
City:LEXINGTON
State:MA
ZIP:02173
Country:US
Phone:713-479-7348
CAGE:1BX64

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

Ingred Name:VERMICULITE *94-4*
CAS:1318-00-9
Other REC Limits:5 MG/CUM TOTAL DUST
OSHA PEL:15 MG/CUM TOTAL DUST
ACGIH TLV:10 MG/CUM TOTAL 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:EYES: MINOR PHYSICAL/MECHANICAL
    IRRITATION. INHALATION: MINOR UPPER RESPIRATORY IRRITATION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, COUGHING, SNEEZING, BLINKING,
    TEARING.

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

First Aid:EYES: DON'T RUB. FLUSH W/PLENTY OF WATER. INHALATION: REMOVE
    TO FRESH AIR. OBTAIN MEDICAL ATTENTION IN ALL CASES.

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

Flash Point:NONE
Fire Fighting Procedures:NONE
Unusual Fire/Explosion Hazard:CONTACT W/WATER REACTIVE CHEMICALS MAY
    RESULT IN EXPLOSION/HAZARDOUS REACTION.

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

Spill Release Procedures:SWEEP UP/SHOVEL MATERIAL & PLACE IN SUITABLE
    CONTAINERS FOR ECYCLE/DISPOSAL. DAMPEN W/WATER SPRAY/USE OTHER
    METHODS TO CLEAN AREA WHICHH AVOID CREATING DUST. DISCARD EMPTY
    PACKING PROMPTLY.

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

Handling and Storage Precautions:USE W/ADEQUATE VENTILATION.
Other Precautions:AVOID CREATING DUST & CONTACT W/EYES. DON'T USE IN
    MOISTURE SENSITIVE APLLICATIONS/W/WATER REACTIVE CHEMICALS.

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

Respiratory Protection:NOT GENERALLY REQUIRED. WEAR A NIOSH APPROVED
    DUST RESPIRATOR IF DUST IS CREATED IN HANDLING.
Ventilation:LOCAL EXHAUST/MECHANICAL: NOT GENERALLY REQUIRED, BUT
    SHOULD BE USED WHERE AVAILABLE.
Protective Gloves:NOT GENERALLY REQUIRED.
Eye Protection:GOGGLES
Other Protective Equipment:NORMAL WORK CLOTHES.
Supplemental Safety and Health

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

Vapor Pres:AS WATER
Vapor Density:AS WATER
Evaporation Rate &amp; Reference:SAME AS WATER
Solubility in Water:NEGLIGIBLE
Appearance and Odor:BROWN/GRAY FREE FLOWING AGGREGATE, SLIGHTLY MOIST
    TO TOUCH W/SLIGHT MUSTY ODOR.
Percent Volatiles by Volume:10-40

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

Stability Indicator/Materials to Avoid:YES
WATER REACTIVE MATERIALS.
Stability Condition to Avoid:MOISTURE.

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

Waste Disposal Methods:AVOID EXCESSIVE HANDLING OF EMPTY PACKAGING, MAY
    RESULT IN UNNECESSARY RELEASE OF AIRBORNE PARTICULATES. DISPOSE OF
    IAW/FEDERAL, STATE & LOCAL REGULATIONS.

 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.