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

MSDS NAME:TOWER TREATMENT 447
NIIN:00N010094
MSDS Number: BHNPG
=== Responsible Party ===
Company:SKASOL INCORPORATED
Address:40 CLEVELAND STREET
City:SAN FRANCISCO
State:CA
ZIP:94103-4082
Info Phone Num:415-431-5000
Emergency Phone Num:415-826-1119
Preparer's Name:DAVID MARCHMAN
CAGE:SKASO
=== Contractor Identification ===
Company:SKASOL INCORPORATED
Address:40 CLEVELAND STREET
Box:City:SAN FRANCISCO
State:CA
ZIP:94103-4082
Phone:415-431-5000
CAGE:SKASO

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

Name:ZINC  (SARA III)
CAS:7440-66-6
RTECS #:ZG8600000
Other REC Limits:N/K 
OSHA PEL:10 MG ZNO/M3
ACGIH TLV:10 MG ZNO/M3; 9192
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

Name:POLYACRYLIC ACID
CAS:9003-01-4
RTECS #:AT4680000
Other REC Limits:N/K 
OSHA PEL:N/K 
ACGIH TLV:N/K 

Name:HEDP (HYDROXYETHANEDIPHOSPHONIC ACID)
CAS:2809-21-4
RTECS #:SZ8562100
Other REC Limits:N/K 
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:N/K 
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE & CHRONIC:ON THE BASIS OF
    AVAILABLE INFORMATION,EXPOSURE IS NOT EXPECTED TO CAUSE SIGNIFICANT
    HEALTH EFFECTS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:EYES:CAUSES BURNING TO EYES.SKIN:PROLONGED
    EXPOSURE CAN CAUSE SOME IRRITATION.INGESTION:CAN CAUSE SEVERE
    HEARTBURN-LIKE SYMPTOMS AND MAY LEAD TO NAUSEA.INHALATION:MIST OR
    LIQUID COULD CAUSE SOME MINOR  IRRITATION OF THE RESPIRATORY TRACT.
Medical Cond Aggravated by Exposure:N/K 

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

Eyes:IMMED FLUSH W/ PLENTY OF WATER,RAISING EYELIDS OFTEN TO
    HELP IRRIGATION & CONT FOR AT LEAST 15 MIN.GET MED ATTN.SKIN:FLUSH
    W/ PLENTY OF WATER.REMOVE CONTAM CLTHG.WASH W/ SOAP & WATER TO NEUT
    ACID .INGEST:IF CONSCIOUS DRINK LGE AMTS OF WATER OR SODIUM BICARB
    SOLN.DO NT INDUCE VOMIT.GET MED ATTENTION IMMED.INHAL:REMOVE TO
    FRESH AIR.GIVE ARTIF RESP IF INDICATED.CALL MD OR POISON CONTROL
    CENTER.

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

Flash Point:NONE
Lower Limits:NONE
Upper Limits:NONE
Extinguishing Media:WATER SPRAY,CARBON DIOXIDE,FOAM,DRY CHEMICAL.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA AND FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE

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

Spill Release Procedures:DIKE AREA TO CONTAIN THE SPILL.SMALL SPILLS
    MAY BE FLUSHED AND DILUTED WITH LOTS OF WATER AND WASHED TO A SEWER
    CONNECTED TO A WASTE TREATMENT PLANT.LARGE SPILLS SHOULD BE
    CONTAINED AND NEUTRALIZED W/  A DILUTE SODA ASH SOLUTION TO A
    NEUTRAL (SEE SUP)
Neutralizing Agent:DILUTE SODA ASH SOLUTION.

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

Handling and Storage Precautions:PROVIDE EMERGENCY EYEWASH STATIONS AND
    EMERGENCY SHOWER FACILITIES NEAR USE AND HANDLING AREAS.
Other Precautions:N/K 

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

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE FOR
    EXPOSURE OF CONCERN .
Ventilation:LOCAL AND GENERAL VENTILATION NECESSARY TO KEEP AIR
    CONCENTRATION BELOW LEVEL OF CONCERN .
Protective Gloves:NITRILE,NEOPRENE,OR NATURAL RUBBER.
Eye Protection:CHEM WORK GOGG W/ FACESHIELD IF NEEDED.
Other Protective Equipment:RUBBER BOOTS WITH SAFETY TOES,RUBBER
    APRONS,PLASTIC HARD HATS SHOULD BE USED TO PREVENT SKIN CONTACT.EYE
    WASH & SHOWERS.
Work Hygienic Practices:PROT CLTHG & USE OF EQUIP MUST BE IN ACCORDANCE
    WITH TITLE 29 CODE OF FED REGS SECTIONS 1910.132 AND 1910.133.CFR
Supplemental Safety and Health
SPILL PROC:PH (6.0-9.0) BEFORE WASHING WITH PLENTY OF WATER TO A SEWER
    CONNECTED TO A WASTE WATER TREATMENT PLANT.ANY DOT CONTAINER IS
    SUITABLE FOR TEMPORARILY HOLDING NEUTRALIZED WASTE.

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

Boiling Pt:B.P. Text:215F,101.7C
Decomp Temp:Decomp Text:N/K 
Spec Gravity:1.14 (WATER=1)
Solubility in Water:COMPLETE
Appearance and Odor:CLEAR RED LIQUID WITH AN ORGANIC ODOR.

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

Stability Indicator/Materials to Avoid:YES
DO NOT MIX WITH STRONG BASES.
Stability Condition to Avoid:N/K 
Hazardous Decomposition Products:NONE
Conditions to Avoid Polymerization:WILL NOT OCCUR.

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

Waste Disposal Methods:DISPOSAL MUST BE IN ACCORDANCE WITH
    FEDERAL,STATE AND 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.

*** END OF RECORD ***