IRWIN CO -- STRAIT-LINE MARKING CHALK (YELLOW)  -- 7510-00N026888
<pre>=====================  Product Identification  =====================

Product ID:STRAIT-LINE MARKING CHALK (YELLOW)
MSDS Date:04/11/1991
FSC:7510
NIIN:00N026888
=== Responsible Party ===
Company Name:IRWIN CO
Address:92 GRANT ST
City:WILMINGTON
State:OH
ZIP:45177
Country:US
Info Phone Num:513-382-3811
Emergency Phone Num:513-382-3811
Preparer's Name:DARYL HENRY
CAGE:1JU00
=== 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

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

Ingred Name:CALCIUM CARBONATE; (MARBLE) (LIMESTONE). LD50:(ORAL,RAT)
    6450 MG/KG
CAS:1317-65-3
RTECS #:EV9580000
Fraction by Wt: 70-80%
OSHA PEL:15MG/M3TDUST;5 RDUST
ACGIH TLV:10 MG/M3 TDUST

Ingred Name:IRON (III) OXIDE
CAS:1309-37-1
RTECS #:NO7400000
Fraction by Wt: 10-20%
OSHA PEL:10 MG/M3 (FE)
ACGIH TLV:5 MG/M3(FE),B2; 9293

Ingred Name:SILICA, CRYSTALLINE - QUARTZ
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: <2%
OSHA PEL:SEE TABLE Z3
ACGIH TLV:0.1 MG/M3 RDUST;9293

Ingred Name:ARSENIC
CAS:7440-38-2
RTECS #:CG0525000
Fraction by Wt: <1% PPM
OSHA PEL:0.5 MG/M3 (AS)
ACGIH TLV:0.01,A1 MG/M3; 9394
EPA Rpt Qty:1 LB
DOT Rpt Qty:1 LB

Ingred Name:LEAD
CAS:7439-92-1
RTECS #:OF7525000
Fraction by Wt: <1% PPM
OSHA PEL:0.05 MG/M3
ACGIH TLV:0.15 MG/M3 DUST
EPA Rpt Qty:1 LB
DOT Rpt Qty:1 LB

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

LD50 LC50 Mixture:SEE INGREDIENT 1.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:YES	 OSHA:NO
Health Hazards Acute and Chronic:(ACUTE & CHRONIC) RESPIRATORY
    IRRITATION FROM EXPOSURE TO DUST OVER RECOMMENDED LEVELS. INHAL:
    RESPIRATORY IRRITANT. EYES: IRRITANT. SKIN: NO KNOWN HAZARD.
    INGEST: NO KNOWN HAZARD.
Explanation of Carcinogenicity:SILICA, CRYSTALLINE QUARTZ: GRP 2A
    (IARC).
Effects of Overexposure:EYE IRRITATION UPON EYE CONTACT.
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:EYE: FLUSH WITH WATER FOR AT LEAST 15 MINUTES; CALL MD.
    INGEST: CALL MD IMMEDIATELY . SKIN: FLUSH WITH COPIOUS AMOUNTS OF
    WATER. CALL MD . INHAL: REMOVE TO FRESH AIR. SUPPORT BREATHING (GI
    VE O*2/ARTF RESP) .

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

Extinguishing Media:USE MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NOT APPLICABLE.

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

Spill Release Procedures:NO SPECIAL PRECAUTIONS NECESSARY; HANDLE AS
    NORMAL NON-HAZARDOUS, SOLID WASTE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:NONE
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:WEAR NIOSH/MSHA APPROVED RESPIRATOR FOR DUSTS
    WHEN EXPOSED TO DUSTS OVER RECOMMENDED LEVELS.
Ventilation:ADEQUATE TO CONTROL DUSTING.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:NONE REQUIRED.
Work Hygienic Practices:WASH CONTAMINATED SKIN WITH SOAP AND WATER.
Supplemental Safety and Health
PH: 8.6-8.8.

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

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:>1500F,>816
Spec Gravity:3.2
pH:SUPDAT
Solubility in Water:<0.0002 (TRACE)
Appearance and Odor:ODORLESS YELLOW POWDER.

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

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

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

Waste Disposal Methods:DISPOSE OF AS NON-HAZARDOUS SOLID WASTE IN
    ACCORDANCE WITH FEDERAL, STATE AND LOCAL REGULATIONS.

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