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

MSDS NAME:S-180 LATEX UNDERLAYMENT
NIIN:01-195-4598
MSDS Number: CGDTM
=== Responsible Party ===
Company:ARMSTRONG WORLD INDUSTRIES INC
Address:313 W LIBERTY ST
Box:3001
City:LANCASTER
State:PA
ZIP:17604
Country:US
Info Phone Num:717-396-2986
Emergency Phone Num:717-296-2324
CAGE:03938
=== Contractor Identification ===
Company:ARMSTRONG WORLD INDUSTRIES,  INC.
Address:313 W. LIBERTY ST.
Box:3209
City:LANCASTER
State:PA
ZIP:17604
Country:US
Phone:717-396-2328; 717-396-2935
CAGE:03938

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

Name:POWDER PORTION CONTAINING INGREDIENTS 2-3
RTECS #:9999999ZZ
OSHA PEL:N/K 
ACGIH TLV:N/K 

Name:SILICATE, PORTLAND CEMENT
CAS:65977-15-1
RTECS #:VV8770000
Fraction by Wt: 35%
OSHA PEL:10 MG/M3 TDUST (MFR)
ACGIH TLV:10 MG/M3 (MFR)

Name:SILICA, CRYSTALLINE - QUARTZ; (SAND (SILICA))
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: 65%
OSHA PEL:N/K 
ACGIH TLV:0.1 MG/M3 RDUST

Name:LIQUID PORTION CONTAINING INGREDIENTS 5-6
RTECS #:9999999ZZ
Fraction by Wt: 100%
OSHA PEL:N/K 
ACGIH TLV:N/K 

Name:SYNTHETIC RUBBER
OSHA PEL:N/K 
ACGIH TLV:N/K 

Name:WATER
CAS:7732-18-5
RTECS #:ZC0110000
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:NO
Health Hazards Acute and Chronic:SKIN AND EYES: PROLONGED OR REPEATED
    OVEREXPOSURE TO DUST MAY CAUSE SKIN IRRITATION. CONTACT WITH EYES
    WILL CAUSE IRRITATION. INHALATION: PROLONGED OR REPEATED
    OVEREXPOSURE TO DUST MAY CAUSE NOSE AND  THROAT IRRITATION.
    LONG-TERM EXPOSURE TO FREE SILICA DUST IN CONCENTRATIONS HIGHER
    THAN THE (EFTS OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ: IARC MONO,
    VOL 68, 1997:GROUP 1. NTP 7TH ANNUAL REPORT ON CARCINS, 1994:ANTIC
    TO BE CARCIN.
Effects of Overexposure:HLTH HAZ: RECOMMENDED PEL OR TLV MAY CAUSE
    SILICOSIS. TARGET ORGANS: LUNGS, SKIN AND EYES.
Medical Cond Aggravated by Exposure:EXISTING SKIN CONDITIONS.

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

First Aid:INGEST: CALL MD IMMEDIATELY . EYES: IN CASES OF CONTACT,
    FLUSH EYES WITH PLENTY OF WATER CONTINUOUSLY FOR AT LEAST 15
    MINUTES; GET MEDICAL ATTENTION. SKIN: WASH SKIN THOROUGHLY WITH
    SOAP AND WAT ER OR HAND CLEANER. REFER TO MD IF IRRITATION
    PERSISTS. WASH CLOTHING BEFORE REUSING. INHAL: REMOVE TO FRESH AIR.

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

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.

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

Spill Release Procedures:PICK UP MATERIAL AND PLACE INTO CONTAINER.
    AVOID CREATING DUST.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:NONE.
Other Precautions:NONE.

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

Respiratory Protection:USE NIOSH APPROVED RESPIRATOR APPROPRIATE FOR
    EXPOSURE OF CONCERN .
Ventilation:INITIALLY THERE MAY BE A POTENTIAL ADVERSE IMPACT ON INDOOR
    AIR QUALITY WITHIN THE GENERAL WORK AREA DURING (SUPDAT)
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER .
Work Hygienic Practices:PERSONS WHO ARE SENSITIVE TO ODORS AND/OR
    CHEMICALS SHOULD BE ADVISED TO AVOID THE WORK AREA DURING THIS
    PROCESS.
Supplemental Safety and Health
VENT: THE INSTALLATION PROCESS. THEREFORE YOU SHOULD ADVISE THE
    BUILDING MANAGER OR OTHER APPROPRIATE PERSON THAT IT WILL BE
    NECESSARY TO ESTABLISH AND MAINTAIN ADEQUATE VENTILATION OF THE
    WORK AREA W ITHOUT CAUSING THE ENTRY OF CONTAMINANTS TO OTHER PARTS
    OF BUILDING.

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

Solubility in Water:APPRECIABLE
Appearance and Odor:POWDER PORTION IS OFF-WHITE; LIQUID PORTION IS
    WHITE.

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

Stability Indicator/Materials to Avoid:YES
NONE KNOWN.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE KNOWN.

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

Waste Disposal Methods:DO NOT REUSE CONTAINER. DISPOSE OF CONTAINER AND
    ANY UNUSED CONTENTS IN ACCORDANCE WITH FEDERAL, STATE AND LOCAL
    REGULATIONS. DO NOT FLUSH UNUSED CONTENTS OR RESIDUE DOWN DRAINS.

 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 ***