WASHINGTON MILLS ELECTRO MINERALS CORP -- SILCARIDE TYPE P D/C FINES  -- 5350-00N050369
<pre>=====================  Product Identification  =====================

Product ID:SILCARIDE TYPE P D/C FINES
MSDS Date:09/01/1993
FSC:5350
NIIN:00N050369
=== Responsible Party ===
Company Name:WASHINGTON MILLS ELECTRO MINERALS CORP
Address:1801 BUFFALO AVE
Box:423
City:NIAGARA FALLS
State:NY
ZIP:14302
Country:US
Info Phone Num:716-278-8763
Emergency Phone Num:716-278-8763;800-424-9300(CHEMTREC)
CAGE:27715
=== Contractor Identification ===
Company Name:WASHINGTON MILLS ELECTRO MINERALS CORP
Address:1801 BUFFALO AVE
Box:423
City:NIAGARA FALLS
State:NY
ZIP:14302-0423
Country:US
Phone:716-278-6600
CAGE:27715

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

Ingred Name:SILICA, CRYSTALLINE - QUARTZ
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: 1-4%
OSHA PEL:N/K 
ACGIH TLV:0.1 MG/M3 RDUST

Ingred Name:IRON
CAS:7439-89-6
RTECS #:NO4565500
Fraction by Wt: 0.5-1%
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:SILICON CARBIDE
CAS:409-21-2
RTECS #:VW0450000
Fraction by Wt: 90%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST

Ingred Name:AMORPHOUS SILICA; (SILICA DIOXIDE)
CAS:112945-52-5
RTECS #:VV7310000
Fraction by Wt: 4-5%
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:CARBON; (FREE CARBON)
CAS:7440-44-0
RTECS #:FF5250100
Fraction by Wt: 3%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:2 MG/M3 TDUST

Ingred Name:SILICON; (FREE SILICON)
CAS:7440-21-3
RTECS #:VW0400000
Fraction by Wt: 0.5-1%
OSHA PEL:10 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:NO
Health Hazards Acute and Chronic:ACUTE/CHRONIC: INHAL: PRLNGD EXPOSURE
    CAN CAUSE LUNG SCARRING WHICH MAY LEAD TO PROGRESSIVE MASSIVE
    FIBROSIS AND CHRONIC LUNG INJURY (SILICOSIS). INGEST: NO KNOWN
    ADVERSE, BUT INGESTION NOT RECOMMENDE D. SKIN CONT & ABSORP: NOT
    ABSORBED THRU SKIN. MAY CAUSE ABRASIONS. EYE: MAY IRRITATE. OTHER
    POTNTL (EFTS OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ:IARC MONO,
    SUPP. VOL 7, PG 341, 1987: GRP 2A. NTP 6TH ANNUAL REPORT ON
    CARCINS, 1991:(SUPDAT)
Effects of Overexposure:HLTH HAZ: RISKS: IARC MONO ON EVAL OF CARCIN
    RISK OF CHEM TO HUMANS (VOL 42, 1987 CONCLUDES THAT THERE IS SUFF
    EVIDENCE FOR CARCIN OF CRYSTALLINE SILICA TO EXPERIMENTAL ANIMALS,
    & THERE IS LIM EVIDENC E OF CARCIN OF CRYSTALLINE SILICA TO HUMANS,
    IARC CLASS 2A.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:INHAL: REMOVE TO FRESH AIR; APPLY ARTF RESP AS NEEDED. OBTAIN
    FIRST AID MED ASSIST. INGEST: OBTAIN FIRST AID/MED ASSIST, IF
    NEEDED. SKIN: OBTAIN FIRST AID/MED ASSIST, IF NEEDED. EYE: WASH
    W/LARGE AMOU NTS OF WATER FOR AT LEAST 15 MINUTES, OBTAIN FIRST AID
    OR MED ASSISTANCE IF NEEDED.

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

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

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

Spill Release Procedures:NORMAL CLEANUP PROCEDURES. RESPIRATORS MAY BE
    REQUIRED.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:HANDLE W/ADEQ VENT FOR NUISANCE DUST.
    SEE OSHA 29CFR 1910.94(VENTILATION).
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:AS NEEDED, NIOSH/MSHA APPROVED DUST RESPIRATOR.
    SEE OSHA 29CFR1910.134.
Ventilation:LOCAL/MECHANICAL(GEN): RECOMMENDED.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKS GOGGS .
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EXPLAN OF CARCIN: ANTIC TO BE CARCIN.

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

Boiling Pt:B.P. Text:SUBLIMES
Melt/Freeze Pt:M.P/F.P Text:4172F,2300C
Spec Gravity:3.2
Solubility in Water:INSOLUBLE
Appearance and Odor:GRANULAR BLACK/GREEN, ODORLESS

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

Stability Indicator/Materials to Avoid:YES

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

Waste Disposal Methods:STANDARD LANDFILL METHODS CONSISTENT WITH
    APPLICABLE FEDERAL, STATE AND LOCAL LAWS.

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