UNITED STATES GYPSUM COMPANY -- USG NO. 1 POTTERY PLASTER -- 5610-01-131-9228 
=====================  Product Identification  =====================

Product ID:USG NO. 1 POTTERY PLASTER
MSDS Date:12/20/1993
FSC:5610
NIIN:01-131-9228
=== Responsible Party ===
Company Name:UNITED STATES GYPSUM COMPANY
Address:101 S WACKER DR
City:CHICAGO
State:IL
ZIP:60606-4678
Country:US
Info Phone Num:312-321-4383
Emergency Phone Num:312-321-4383/312-606-4542
CAGE:61357
=== Contractor Identification ===
Company Name:UNITED STATES GYPSUM CO
Address:101 S WACKER DR
Box:City:CHICAGO
State:IL
ZIP:60606-4302
Country:US
Phone:312-606-4000 (EMERG /4542)
CAGE:61357

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

Ingred Name:CALCIUM SULFATE
CAS:7778-18-9
RTECS #:WS6920000
Fraction by Wt: 80-100%
Other REC Limits:5 MG/CUM (DUST)
OSHA PEL:15 MG/CUM
ACGIH TLV:10 MG/CUM

Ingred Name:CALCIUM CARBONATE, DOMOLITE, LIMESTONE, WHITING
CAS:1317-65-3
RTECS #:EV9580000
Fraction by Wt: 0-5%
ACGIH TLV:10 MG/CUM (DUST)

Ingred Name:PORTLAND CEMENT, CONTAINS: TRICALCIUM SILICATE, DICALCIUM
    SILICATE, TRICALCIUM ALUMINATE, TETRACALCIUM ALUMINOFERRATE
CAS:65997-15-1
RTECS #:VV8770000
Fraction by Wt: 0-5%
Other REC Limits:50 MPPCF (MSHA)
ACGIH TLV:10 MG/CUM (DUST)

Ingred Name:CALCIUM HYDROXIDE, LIME, CALCIUM HYDRATE
CAS:1305-62-0
RTECS #:EW2800000
Fraction by Wt: 0-3%
OSHA PEL:5 MG/CUM
ACGIH TLV:5 MG/CUM

Ingred Name:HYDROXYETHYL CELLULOSE, 2-HYDROXYETHYL ETHER CELLULOSE,
    NATROSOL
CAS:9004-62-0
RTECS #:FJ5958000
Fraction by Wt: 0-2%

Ingred Name:POLYVINYL ALCOHOL
CAS:9002-89-5
RTECS #:TR8100000
Fraction by Wt: 0-2%

Ingred Name:STARCH
CAS:9005-25-8
RTECS #:GM5090000
Fraction by Wt: 0-2%
Other REC Limits:NUISANCE PARTICULATE
ACGIH TLV:10 MG/CUM TOTAL DUST

Ingred Name:WOOD FIBER FROM U.S. SOFTWOOD TREES
Fraction by Wt: 0-2%

Ingred Name:NAPTHALENESULFONIC ACID, POLYMER W/FORMALDEHYDE, POTASSIUM
    SALT
CAS:9069-79-8
Fraction by Wt: 0-0.8%

Ingred Name:ALUMINUM SULFATE
CAS:10043-01-3
RTECS #:BD1700000
Fraction by Wt: 0-0.5%
ACGIH TLV:2 MG/CUM
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

Ingred Name:SODIUM CITRATE
CAS:144-33-2
RTECS #:GE7580000
Fraction by Wt: 0-0.5%

Ingred Name:TARTARIC ACID
CAS:87-69-4
RTECS #:WW7875000
Fraction by Wt: 0-0.3%

Ingred Name:HYDROLYZED PROTEIN
Fraction by Wt: 0-0.3%

Ingred Name:SODIUM PHOSPHATE MONOBASIC, MONOSODIUM PHOSPHATE
CAS:7558-80-7
RTECS #:WA1900000
Fraction by Wt: 0-0.2%

Ingred Name:SODIUM SALT OF SULFONATED NAPHTHALENEFORMALDEHYDE
    CONDENSATE
CAS:9084-06-4
RTECS #:EC4850000
Fraction by Wt: 0-0.2%

Ingred Name:POTASSIUM SULFATE
CAS:7778-80-5
RTECS #:TT5900000
Fraction by Wt: 0-0.5%

Ingred Name:HYDROXYPROPYL METHYCELLULOSE
CAS:9004-65-3
RTECS #:NF9125000
Fraction by Wt: 0-0.07%

Ingred Name:CALCIUM LIGNOSULFONATE	*93-4*
CAS:8061-52-7
Fraction by Wt: 0%-TRACE

Ingred Name:POTASSIUM SODIUM TARTRATE	  *93-4*
CAS:304-59-6
Fraction by Wt: 0%-TRACE

Ingred Name:TRIBUTYL PHOSPHATE
CAS:126-73-8
RTECS #:TC7700000
Fraction by Wt: 0%-TRACE
Other REC Limits:0.2 PPM
OSHA PEL:5 MG/CUM
ACGIH TLV:2.2 MG/CUM

Ingred Name:POLY(OXY-1,2-ETHANEDIYL),
    ALPHA-SULFO-OMEGA-HYDROXY-,C10-12-ALKYL ETHERS, AMMONIUM SALTS     
    *93-4*
CAS:68890-88-0
Fraction by Wt: 0%-TRACE

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:SKIN: SEVERE BURNS THAT MAY REQUIRE
    SURGICAL REMOVAL OF AFFECTED TISSUE. MAY DRY SKIN. EYES:
    IRRITATION. INHALATION: IRRITATION TO THE EYES/NOSE THROAT/UPPER
    RESPIRATORY SYSTEM.
Explanation of Carcinogenicity:NONE
Medical Cond Aggravated by Exposure:PRE-EXISTING UPPER RESPIRATORY &
    LUNG DISEASE SUCH AS, BUT NOT LIMITED TO, BRONCHITIS, EMPHYSEMA &
    ASTHMA.

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

First Aid:EYES: FLUSH W/WATER TO REMOVE PARTICLES. SKIN: WASH W/ WATER
    . INGESTION: SEE PHYSICIAN. INHALATION: REMOVE TO FRESH AIR. OBTAIN
    MEDICAL ATTENTION IN ALL CASES.

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

Flash Point:NONE
Extinguishing Media:NOT COMBUSTIBLE
Fire Fighting Procedures:NONE
Unusual Fire/Explosion Hazard:NONE

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

Spill Release Procedures:SWEEP OR VACUUM MATERIAL FROM SPILLAGE INTO A
    WASTE CONTAINER FOR DISPOSAL. AVOID DUSTING CONDITIONS. SLURRY MAY
    PLUG DRAINS.

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

Handling and Storage Precautions:DEW POINT CONDITIONS, OR OTHER
    CONDITIONS CAUSING THE PRESENCE OF LIQUID WATER WILL HARDEN PLASTER
    DURING STORAGE.

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

Respiratory Protection:APPROVED DUST MASK.
Ventilation:LOCAL EXHAUST.
Protective Gloves:DESIRABLE
Eye Protection:GOGGLES
Supplemental Safety and Health

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

Melt/Freeze Pt:M.P/F.P Text:1450C
Spec Gravity:2.68-3.2
Solubility in Water:SLIGHT
Appearance and Odor:WHITE POWDER, LOW ODOR.

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

Stability Indicator/Materials to Avoid:YES
ACIDS
Stability Condition to Avoid:TEMPS >1450C - DECOMPOSES
Hazardous Decomposition Products:SULFUR DIOXIDE, CALCIUM OXIDE

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

Waste Disposal Methods:THIS MATERIAL CAN BE DISPOSED OF AS INERT SOLID
    IN A LANDFILL OR BY OTHER PROCEDURES WHICH ARE ACCEPTED UNDER
    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.