IRWIN CO THE -- STRAIT-LINE MARKING CHALK WHITE  -- 5210-00F019792
<pre>=====================  Product Identification  =====================

Product ID:STRAIT-LINE MARKING CHALK WHITE
MSDS Date:04/11/1991
FSC:5210
NIIN:00F019792
=== Responsible Party ===
Company Name:IRWIN CO THE
Address:92 GRANT ST
City:WILMINGTON
State:OH
ZIP:45177-5000
Country:US
Info Phone Num:513-382-3811
Emergency Phone Num:513-382-3811
Preparer's Name:DARYL HENRY
CAGE:FO992
=== Contractor Identification ===
Company Name:IRWIN CO
Address:92 GRANT ST
Box:City:WILMINGTON
State:OH
ZIP:45177
Country:US
Phone:513-382-3811
CAGE:1JU00
Company Name:IRWIN CO THE
Address:92 GRANT ST
City:WILMINGTON
State:OH
ZIP:45177-5000
Country:US
Phone:513-382-3811
CAGE:FO992

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

Ingred Name:CALCIUM CARBONATE, DOMOLITE, LIMESTONE, WHITING
CAS:1317-65-3
RTECS #:EV9580000
Fraction by Wt: >98%
OSHA PEL:15 MG/CUM (DUST)
ACGIH TLV:10 MG/CUM (DUST)

Ingred Name:SILICON DIOXIDE, CRYSTALLINE QUARTZ, SAND (ANIMAL
    SUFFICIENT/HUMAN LIMITED EVIDENCE BY IARC, NTP). GROUP 2A - *94-4*
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: <2%
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  =====================

LD50 LC50 Mixture:ORAL LD50(RAT): 6450 MG/KG (SEE SUPP)
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:NO
Health Hazards Acute and Chronic:INHALATION: RESPIRATORY IRRITATION
    FORM EXPOSURE TO DUST OVER RECOMMENDED LEVELS. EYES: IRRITATION.
Explanation of Carcinogenicity:SEE INGREDIENTS
Effects of Overexposure:IRRITATION.
Medical Cond Aggravated by Exposure:PERSONS SUFFERING FROM CHRONIC
    RESPIRATORY DISEASES MAY BE AT INCREASED RISK WHEN EXPOSED TO DUST
    OVER RECOMMENDED LEVELS.

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

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

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

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

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

Spill Release Procedures:HANDLE AS NORMAL NON-HAZARDOUS, SOLID WASTE.

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

Handling and Storage Precautions:NONE
Other Precautions:NONE

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

Respiratory Protection:WEAR NIOSH APPROVED RESPIRATOR FOR DUSTS WHEN
    EXPOSED TO DUSTS OVER RECOMMENDED LEVELS.
Ventilation:ADEQUATE: TO CONTROL DUSTING.
Protective Gloves:NOT USUALLY REQUIRED
Eye Protection:GLASSES/GOGGLES
Other Protective Equipment:NONE REQUIRED
Work Hygienic Practices:WASH CONTAMINATED SKIN W/SOAP & WATER.
Supplemental Safety and Health
PH: 8.6-8.8 (SATURATED SOLUTION). THIS MSDS INFO. IS FOR STRAIT-LINE
    MARKING CHALK (WHITE).

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

Melt/Freeze Pt:M.P/F.P Text:>1500F
Spec Gravity:2.7-2.71
pH:(SUPP)
Solubility in Water:<0.0002 TRACE
Appearance and Odor:SOLID ODORLESS WHITE POWDER

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

Stability Indicator/Materials to Avoid:YES
FLUORINE
Stability Condition to Avoid:NONE
Hazardous Decomposition Products:CO2

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

Waste Disposal Methods:DISPOSE OF IAW/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.