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

MSDS NAME:SENECA CHIEF 60
NIIN:00N085092
MSDS Number: CGZYM
=== Responsible Party ===
Company:NORTH AMERICAN REFRACTORIES
Address:1228 EUCLID AVE
City:CLEVELAND
State:OH
ZIP:44115-1809
Country:US
Info Phone Num:216-621-5200
Emergency Phone Num:814-234-7981
CAGE:86653
=== Contractor Identification ===
Company:NORTH AMERICAN REFRACTORIES COMPANY
Address:500 HALLE BUILDING 1228 EUCLID AVENUE
Box:City:CLEVELAND
State:OH
ZIP:44115-1809
Country:US
Phone:814-234-7981/814-234-3890
CAGE:86653

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

Name:SILICA, CRYSTALLINE - QUARTZ INCLUDING INGS 2 & 3
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: 10-30%
OSHA PEL:SEE TABLE Z-3
ACGIH TLV:0.1 MG/M3 RDUST

Name:SILICA, CRYSTALLINE - CRISTOBALITE
CAS:14464-46-1
RTECS #:VV7325000
OSHA PEL:SEE TABLE Z-3
ACGIH TLV:0.05 MG/M3 RDUST

Name:SILICA, CRYSTALLINE - TRIDYMITE
CAS:15468-32-3
RTECS #:VV7335000
OSHA PEL:SEE TABLE Z-3
ACGIH TLV:0.05 MG/M3 RDUST

Name:ALUMINA SILICATE; (HYDROUS ALUMINA SILICATE)
CAS:1302-87-0
Fraction by Wt: 10-30%
OSHA PEL:SEE TABLE Z-3
ACGIH TLV:0.05 MG/M3 RDUST

Name:ALUMINUM OXIDE (2:3) (SARA 313)
CAS:1344-28-1
RTECS #:BD1200000
Fraction by Wt: 30-60%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST

Name:SILICIC ACID (N2SIO3), DISODIUM SALT; (SODIUM METASILICATE)
CAS:6834-92-0
RTECS #:VV9275000
Fraction by Wt: 10-30%
OSHA PEL:N/K 
ACGIH TLV:N/K 

Name:ALUMINUM SILICATE
CAS:1302-93-8
Fraction by Wt: 10-20%
OSHA PEL:N/K 
ACGIH TLV:N/K 

=====================  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:CRYSTALLINE SILICA: CHRONIC OVEREXP TO
    DUST CONTAINING RESPIRABLE SIZED CRYSTALLINE SILICA (QUARTZ,
    CRISTOBALITE, AND TRIDYMITE) CAN CAUSE DELAYED LUNG INJURY
    (SILICOSIS). POINTS OF ATTACK: RESPIRATOR Y SYSTEM & LUNGS.
    INHALATION OF DUST CONTAINING CRYSTALLINE SILICA MAY CONTRIBUTE TO
    PRE-EXISTING (EFTS OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ-, SILICA,
    CRYSTALLINE-CRISTOBALITE-, AND SILICA, CRYSTALLINE-TRIDYMITE: IARC
    MONO, (SUPDAT)
Effects of Overexposure:HLTH HAZ: PULM DISEASES SUCH AS ASTHMA & LUNG
    DISORDERS ASSOC W/SMKNG OF TOBACCO. SOME RECENT ANIMAL STUDIES HAVE
    CAUSED IARC TO CATEGORIZE CRYSTALLINE SILICA AS 2A CARCIN. A 2A
    CARCIN IS ONE WHICH: ( 1) THERE IS SUFFICIENT EVID FOR CARCIN TO
    EXPERIMENTAL ANIMALS. (2) THERE IS LIMITED EVID OF CARCIN TO
    HUMANS. (SUPDAT)
Medical Cond Aggravated by Exposure:PRE-EXISTING PULMONARY DISEASES
    SUCH AS ASTHMA AND LUNG DISORDERS ASSOCIATED WITH SMOKING OF
    TOBACCO.

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

First Aid:INGEST: CALL MD IMMEDIATELY . SKIN: WASH THOROUGHLY WITH SOAP
    AND WATER. INHALATION: REMOVE TO FRESH AIR. EYES: FLUSH WITH WATER
    FOR AT LEAST 15 MINUTES AND GET MEDICAL HELP.

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

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:THIS PRODUCT IS NON-FLAMMABLE AND WILL
    NOT SUPPORT COMBUSTION.

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

Spill Release Procedures:AVOID GENERATING DUST EXPOSURE DURING CLEANUP.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:AVOID DUST GENERATION.
Other Precautions:PRODUCT CONTAINS CRYSTALLINE SILICA AND SODIUM
    SILICATE. WARNING: PROLONGED INHALATION OF PRODUCT DUST MAY CAUSE
    DELAYED LUNG INJURY (SILICOSIS). CONTACT MAY CAUSE IRRITATION TO
    EYES AND SKIN.

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

Respiratory Protection:NIOSH APPROVED DUST TYPE FOR EXPOSURES ABOVE
    TLV.
Ventilation:SUFFICIENT VENTILATION SHOULD BE USED TO INSURE EXPOSURES
    BELOW THE TLV/PEL.
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER .
Work Hygienic Practices:HYGIENE MONITORING SHOULD BE DONE TO INSURE THE
    PROPER EMPLOYEE PROTECTION DURING TEAROUT.
Supplemental Safety and Health
EXPLAN OF CARCIN: VOL 68, 1997: GROUP 1. NTP 7TH ANNUAL RPT ON
    CARCINOGENS, 1994: ANTIC TO BE CARCINOGEN. EFTS OF OVEREXP:
    CRYSTALLINE SILICA HAS BEEN LISTED IN MOST RECENT NTP RPT ON
    CARCINS. SODIUM  SILICATE: SODIUM SILICATE USED IN THIS PROD MAY
    CAUSE SKIN & EYE IRRITATION.

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

pH:9-10.9
Evaporation Rate & Reference:NOT KNOWN
Solubility in Water:NOT KNOWN
Appearance and Odor:GRAY, FINE-GRAINED, WT MIXTURE, ODORLESS.

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

Stability Indicator/Materials to Avoid:YES
NONE SPECIFIED BY MANUFACTURER.
Stability Condition to Avoid:THIS PRODUCT IS STABLE AND NON-REACTIVE.
Hazardous Decomposition Products:CRYSTALLINE SILICA LEVELS IN USED
    REFRACTORIES MAY BE HIGHER/LOWER THAN AS-SHIPPED DEPENDING ON
    SERVICE CONDITIONS.

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

Waste Disposal Methods:DISPOSE OF MATERIAL ACCORDING TO LOCAL, STATE OR
    FEDERAL REGULATIONS AND AS FINAL USED CONDITION OF THE PRODUCT
    DICTATES.

 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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