MANVILLE SALES CORP -- CELITE 545  -- 9390-01-280-8621
<pre>=====================  Product Identification  =====================

Product ID:CELITE 545
MSDS Date:05/07/1991
FSC:9390
NIIN:01-280-8621
=== Responsible Party ===
Company Name:MANVILLE SALES CORP
Address:717 17TH ST
Box:5108
City:DENVER
State:CO
ZIP:80127-5108
Country:US
Info Phone Num:303-978-2000
Emergency Phone Num:303-978-4900
Preparer's Name:RICHARD A. VERSEN
CAGE:75165
=== Contractor Identification ===
Company Name:SCHULLER INTERNATIONAL INC.
Box:5108
City:DENVER
State:CO
ZIP:80217-5108
Country:US
Phone:303-978-4900
CAGE:75165

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

Ingred Name:FLUX CALCINED DIATOMACEOUS EARTH (DE)
CAS:68855-54-9
Fraction by Wt: 100%
OSHA PEL:10 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST

Ingred Name:SILICA, CRYSTALLINE - CRISTOBALITE
CAS:14464-46-1
RTECS #:VV7325000
Fraction by Wt: <60%
OSHA PEL:SEE TABLE Z3
ACGIH TLV:0.05 MG/M3 RDUST9293

Ingred Name:SILICA, CRYSTALLINE - QUARTZ
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: <3%
OSHA PEL:SEE TABLE Z3
ACGIH TLV:0.1 MG/M3 RDUST;9293

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:NO
Health Hazards Acute and Chronic:ACUTE: UPPER RESPIRATORY AND MINOR EYE
    IRRITATION. CHRONIC: IS A KNOWN CAUSE OF SILICOSIS, A NONCANCEROUS
    LUNG DISEASE CAUSED BY EXCESSIVE EXPOSURE TO CRYSTALLINE SILICA.
Explanation of Carcinogenicity:CRYSTALLINE SILICA/CRYSTALLINE SILICA
    (CRISTOBALITE): GROUP 2A (IARC), ANTICIPATED TO BE A CARCINOGEN
    (NTP).
Effects of Overexposure:INHALATION: IRRITATION OR SORENESS IN THROAT &
    NOSE. IN EXTREME EXPOSURES SOME CONGESTION MAY OCCUR. EYES:
    TEMPORARY MECHANICAL IRRITATION OR REDNESS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:INHALATION: REMOVE TO FRESH AIR. DRINK WATER TO CLEAR THROAT
    AND BLOW NOSE TO EVACUATE DUST. SKIN: FLUSH WITH COPIOUS AMOUNTS OF
    WATER . INGESTION: CALL MD IMMEDIATELY . EYES: FLUSH EYES W ITH
    LARGE AMOUNTS OF WATER FOR AT LEAST15 MINUTES. IF IRRITATION
    PERSISTS, CONSULT PHYSICIAN.

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

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

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

Spill Release Procedures:SHOVEL OR SWEEP UP (WITH AID OF DUST
    SUPPRESSANT SUCH AS WATER.) VACUUM CLEAN REMAINING FINE PARTICLES.
    UNCONTAMINATED MATERIAL MAY BE REUSED.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:AVOID CREATING DUSTS. MAINTAIN GOOD
    HOUSEKEEPING PRACTICES AND REPAIR BROKEN BAGS IMMEDIATELY.
Other Precautions:ADEQUATE VENTILATION TO KEEP DUST EXPOSURE LEVELS
    BELOW PEL/TLV.

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

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATORY PROTECTION
    AS INDICATED: <10X PEL NIOSH/MSHA APPROVED HALF MASK; <100X PEL
    NIOSH/MSHA APPROVED FULL-FACE; <200X PEL NIOSH/MSHA APPROVED TYPE C
    SUPPLIED AIR (CONTINU OUS FLOW MODE).
Ventilation:LOCAL EXHAUST VENTILATION MAY BE REQUIRED IN DUST
    GENERATING OPERATIONS TO KEEP DUST CONCENTRATIONS BELOW PEL/TLV.
Protective Gloves:COTTON GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:NOT APPLICABLE.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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

Spec Gravity:2.3 (H*2O=1)
Solubility in Water:NEGLIGIBLE
Appearance and Odor:FINE WHITE POWDER, NO ODOR.
Percent Volatiles by Volume:NIL

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

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

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

Waste Disposal Methods:NON-HAZARDOUS AS DEFINED BY RCRA (40 CFR 261).
    DISPOSE OF IN ACCORDANCE WITH FEDERAL, STATE AND LOCAL REGULATIONS
    .

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