GENERAL MOTORS CORPORATION-CENTRAL FOUNDRY DIV -- CAST IRON CASTINGS  -- 2520-00-999-6465
<pre>=====================  Product Identification  =====================

Product ID:CAST IRON CASTINGS
MSDS Date:11/22/1985
FSC:2520
NIIN:00-999-6465
Kit Part:Y
=== Responsible Party ===
Company Name:GENERAL MOTORS CORPORATION-CENTRAL FOUNDRY DIV
Box:1629
City:SAGINAW
State:MI
ZIP:48605
Country:US
Info Phone Num:313-556-1597/6200
Emergency Phone Num:313-556-1597/6200
CAGE:1T998
=== Contractor Identification ===
Company Name:EXXON COMPANY, U.S.A.
Address:ROOM 2344
Box:2180
City:HOUSTON
State:TX
ZIP:77252-2180
Country:US
Phone:713-656-5949
CAGE:72447
Company Name:GENERAL MOTORS CORP, GM SERVICE PARTS OPNS
Address:6060 W BRISTOL RD
City:FLINT
State:MI
ZIP:48554
Country:US
Phone:313-635-5905
CAGE:1T998

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

Ingred Name:PHOSPHOROUS (YELLOW)  (SARA III)
CAS:7723-14-0
RTECS #:TH3500000
Fraction by Wt: 0.20%
Other REC Limits:NOT KNOWN
OSHA PEL:0.1 MG/M3
ACGIH TLV:0.1 MG/M3
EPA Rpt Qty:1 LB
DOT Rpt Qty:1 LB

Ingred Name:COPPER.OSHA PEL AND ACGIH TLV 1 MG(CU)/M3 FOR DUST AND
    MIST.  (SARA III)
CAS:7440-50-8
RTECS #:GL5325000
Fraction by Wt: <0.40%
Other REC Limits:NOT KNOWN
OSHA PEL:0.1MG/M3 FUME
ACGIH TLV:0.2MG/M3 FUME
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

Ingred Name:CHROMIUM  (SARA III)
CAS:7440-47-3
RTECS #:GB4200000
Fraction by Wt: <0.60%
Other REC Limits:NOT KNOWN
OSHA PEL:1 MG(CR)/M3
ACGIH TLV:0.5 MG(CR)/M3
EPA Rpt Qty:1 LB
DOT Rpt Qty:1 LB

Ingred Name:MANGANESE.OSHA PEL IS FOR MANGANESE COMPOUNDS.(SARA III)
CAS:7439-96-5
RTECS #:OO9275000
Fraction by Wt: <1.2%
Other REC Limits:NOT KNOWN
OSHA PEL:(C) 5 MG/M3 DUST
ACGIH TLV:5 MG/M3 DUST 9293

Ingred Name:IRON.OSHA PEL FOR IRON OXIDE DUST & FUME TOTAL
    PARTICULATE.ACGIH TLV FOR IRON OXIDE FUME.
CAS:7439-89-6
RTECS #:NO4565500
Fraction by Wt: 91-96%
Other REC Limits:NOT KNOWN
OSHA PEL:10 MG(FE)/M3
ACGIH TLV:5 MG(FE)/M3 FUME

Ingred Name:MAGNESIUM.OSHA PEL 5 MG/M3 RESPIRABLE FRACTION FOR MG OXIDE
    FUME.ACGIH TLV FOR MG OXIDE FUME.
CAS:7439-95-4
RTECS #:OM2100000
Fraction by Wt: 0.07%
Other REC Limits:NOT KNOWN
OSHA PEL:10 MG/M3 TOTAL DUST
ACGIH TLV:10 MG/M3

Ingred Name:SILICON.OSHA PEL 5 MG/M3 RESPIRABLE FRACTION.ACGIH TLV FOR
    TOTAL DUST CONTAINING NO ASBESTOS & <1% CRYSTALLINE SILICA.
CAS:7440-21-3
RTECS #:VW0400000
Fraction by Wt: 1.0-2.7%
Other REC Limits:NOT KNOWN
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST; 9293

Ingred Name:CARBON.OSHA PELS FOR SYNTHETIC GRAPHITE.OSHA PEL 5 MG/M3
    RESP FRACTION.ACGIH TLV FOR GRAPHITE (ALL FORMS EXCEPT FIBERS).
CAS:7440-44-0
RTECS #:FF5250100
Fraction by Wt: 2.0-3.9%
Other REC Limits:NOT KNOWN
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:2 MG/M3 TDUST; 9293

Ingred Name:SULFUR
CAS:7704-34-9
RTECS #:WS4250000
Fraction by Wt: <0.15%
Other REC Limits:NOT KNOWN
OSHA PEL:NOT KNOWN
ACGIH TLV:NOT KNOWN

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

LD50 LC50 Mixture:NOT KNOWN
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:YES    IARC:NO	 OSHA:NO
Health Hazards Acute and Chronic:SEE SIGNS AND SYMPTOMS OF
    OVEREXPOSURE.
Explanation of Carcinogenicity:CHROMIUM & CERTAIN CHROMIUM
    COMPOUNDS:KNOWN HUMAN CARCINOGEN (NTP,1991).
Effects of Overexposure:DATA SUGGEST THAT NO OVEREXPOSURE TO CASTING
    DECOMPOSITION MATERIALS OCCUR UNDER NORMAL CONDITIONS OF
    USE.WELDING/GRINDING ON CASTINGS:CONDUCT AIR SAMPLING TO CONFIRM
    CONTROL OF DUST/FUMES BELOW APPLI CABLE LIMITS.
Medical Cond Aggravated by Exposure:NOT KNOWN

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

First Aid:EYES:FLUSH WITH LARGE AMOUNTS OF WATER FOR AT LEAST 15
    MINUTES .

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

Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS (SCBA)
    AND FULL TURNOUT GEAR .

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

Neutralizing Agent:NOT KNOWN

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

Other Precautions:CONTROL DUST/FUMES BELOW APPLICABLE LIMITS DURING
    WELDING/GRINDING.

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

Respiratory Protection:IF DUST/FUMES ARE GENERATED ABOVE THE PEL,USE A
    NIOSH APPROVED DUST/FUME RESPIRATOR.
Ventilation:LOCAL EXHAUST RECOMMENDED FOR WELDING OR GRINDING.
Protective Gloves:LEATHER
Eye Protection:SAFETY GOGGLES WITH SIDE SHIELDS.
Other Protective Equipment:NONE
Work Hygienic Practices:NOT KNOWN
Supplemental Safety and Health
CONTRACT #:DAA307-87-Y-1838,THIS ITEM PART OF DRIVESHAFT ASSEMBLY.%
    SOLID BY WEIGHT:100.

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

Boiling Pt:B.P. Text:NOT KNOWN
Melt/Freeze Pt:M.P/F.P Text:2050F,1121C
Decomp Temp:Decomp Text:NOT KNOWN
Spec Gravity:7.2 (WATER=1)
Appearance and Odor:SOLID METALLIC CASTING.
Percent Volatiles by Volume:0

=================  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:DISPOSAL MUST BE IN ACCORDANCE WITH
    FEDERAL,STATE,AND LOCAL REGULATIONS.COORDINATE WITH SUPPORTING
    INSTALLATION AND/OR MACOM ENVIRONMENTAL OFFICE PRIOR TO DISPOSAL .

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 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
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