TRENWYTH INDUSTRIES INC -- TRENDSTONE PLUS CONCRETE MASONRY UNIT  -- 8030-00F045076
<pre>=====================  Product Identification  =====================

Product ID:TRENDSTONE PLUS CONCRETE MASONRY UNIT
MSDS Date:08/20/1992
FSC:8030
NIIN:00F045076
MSDS Number: BYQBJ
=== Responsible Party ===
Company Name:TRENWYTH INDUSTRIES INC
Address:1 CONNELLY RD
Box:438
City:EMIGSVILLE
State:PA
ZIP:17318-5000
Country:US
Info Phone Num:717-767-6868/800-233-1924
Emergency Phone Num:800-233-1924/717-757-3635/755-3788
CAGE:GO462
=== Contractor Identification ===
Company Name:TRENWYTH INDUSTRIES INC
Address:1 CONNELLY RD
Box:438
City:EMIGSVILLE
State:PA
ZIP:17318-5000
Country:US
Phone:717-767-6868/800-233-1924
CAGE:GO462

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

Ingred Name:SILICON DIOXIDE, CRYSTALLINE QUARTZ, SAND (ANIMAL CARC,
    SUSPECTED HUMAN CARC IARC-GROUP 2A; SUSPECTED CARC NTP) *95-3*
CAS:14808-60-7
RTECS #:VV7330000
Other REC Limits:0.05 MG/CUM NIOSH
OSHA PEL:0.1 MG/CUM RESP DUST
ACGIH TLV:0.1 MG/CUM RESP DUST

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

Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:NO
Health Hazards Acute and Chronic:SAWING/GRINDING MAY RESULT IN RELEASE
    OF DUST PARTICLES WHICH MAY CAUSE IRRITATION OF THE EYES/NOSE. IF
    EXPOSED TO EXCESSIVE AMOUNTS FOR PROLONGED PERIODS MAY RESULT IN
    LUNG DISEASE (SILICOSIS).
Explanation of Carcinogenicity:SEE INGREDIENTS.
Effects of Overexposure:IRRITATION, SHORTNESS OF BREATH
Medical Cond Aggravated by Exposure:PREEXISTING LUNG DISEASE SUCH AS
    EMPHYSEMA/ASTHMA.

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

First Aid:EYES: FLUSH GENEROUSLY W/WATER FOR 15 MINS. OBTAINMEDICAL
    ATTENTION IN ALL CASES.

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

Fire Fighting Procedures:NONE
Unusual Fire/Explosion Hazard:NONE

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

Spill Release Procedures:SWEEP UP & DISCARD.

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

Handling and Storage Precautions:WEAR NIOSH APPROVED RESPIRATOR & TIGHT
    FITTING GOGGLES WHEN SAWING/GRINDING.

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

Respiratory Protection:USE NIOSH APPROVED HIGH EFFICIENCY PARTICULATE
    RESPIRATOR.
Ventilation:MECHANICAL (GENERAL): IN CONFINED AREA.
Protective Gloves:WHEN REQUIRED
Eye Protection:TIGHT FITTING GOGGLES
Other Protective Equipment:NONE
Supplemental Safety and Health

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

Appearance and Odor:ODORLESS SOLID

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

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

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

Waste Disposal Methods:DISPOSE OF AS COMMON WASTE IN ACCORDANCE
    W/LOCAL, STATE & FEDERAL REGULATIONS.

 Disclaimer (provided with this information by the compiling agencies):
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 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
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 particular situation.