Product ID:CELATOM
MSDS Date:07/01/1993
FSC:9390
NIIN:00N069446
MSDS Number: CBKLD

EAGLE-PICHER MINERALS INC

1765 E PLUMB LANE SUITE 161
RENO, NV 89502
US

Emergency Phone: 702-333-7600

Info Phone: 702-333-7600

Preparer: PATRICK T FLYNN JR

Cage: EAGLE

EAGLE-PICHER MINERALS, INC.

12130 RENO, NV 89510 US

Telephone: 702-322-3331

Cage: EAGLE

DIATOMACEOUS EARTH, FLUX-CALCINED; (DIATOMACEOUS EARTHK,

CAS: 68855-54-9

Fraction By Weight: 100%

OSHA PEL N/K

ACGIH TLV: N/K

SILICA, CRYSTALLINE - CRISTOBALITE; (CRYSTALLINE SILICA

CAS: 14464-46-1

RTECS: VV7325000

Fraction By Weight: 35-50%

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.05 MG/M3

LUNG CANCER. THE STUDY ALSO REPORTS THAT

RTECS: 9999999ZZ

MORTALITY RISK WAS FOUND. CONSEQUENTLY, MAINTENANCE

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BY OCCUP STANDARD SETTING AGENCIES WILL MINIMIZE. IF

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EAGLE-PICHER MINERALS, INC, IN CONJUNCTION W/OTHER

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HAS SPONSORED A UNIVERSITY OF WASHINGTON SCHOOL OF

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OCT 1992. THE REPORT CONCLUDED THAT THERE WAS AN

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INCIDENCE AMONG THOSE DE WORKERS STUDIED WHEN

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RATIO OF 2.59 AND 1.43, RESPECTIVELY). THE REPORT

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OCCURRED BEFORE THE 1950'S WERE PROBABLY THE MOST

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CANCER. IN ADDTN, DATA IN REPORT INDICATED THAT

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ABATED EXCESS RISK OF SILICOSIS AND LUNG CANCER IN

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ANTICIPATED TO BE CARCINOGEN.

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LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHAL: CAN CAUSE DRYNESS OF
NASAL PASSAGES & CONGESTION OF UPPER RESP. UPPER RESP IRRIT. MAY
CAUSE COUGHING/THROAT IRRIT. EYE: MAY CAUSE IRRIT/INFLAMM. CHRONIC:
INHAL OF CRYSTALLINE SILICA DUST IN EXCESS OF TLV RECOMM BY
ACGIH/IN EXCESS OF PEL ESTAB BY OSHA OVER AN EXTENDED NUMBER OF
YEARS MAY (EFTS OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-CRISTOBALITE:IARC
MONO, SUPP, VOL 7, PG 341, 1987:GROUP 2A. NTP 7TH ANNUAL RPT ON
CARCINS,(ING 14)
Effects of Overexposure:HLTH HAZ:CAUSE SILICOSIS, A PROGRESSIVE
SOMETIMES FATAL LUNG DISEASE. ALTHOUGH SILICOSIS IS NON-CANCEROUS
LUNG DISEASE, THE RECENT STUDY (OCT 92) CONDUCTED BY UNIVERSITY OF
WASHINGTON ON CERTAIN DIATO MITE WORKERS INDICATES EXPOS TO HIGH
CONCS OF CRYSTALLINE SILICA FOR MANY YEARS MAY INCREASE POTNTL RISK
OF DEVEL(ING 3)
Medical Cond Aggravated by Exposure:PRE-EXISTING DISEASES OF THE UPPER
RESPIRATORY TRACT AND LUNG SUCH AS BRONCHITIS, EMPHYSEMA AND
ASTHMA.

First Aid:SKIN: NOT ABSORB BY SKIN. MAY CAUSE DRYNESS. USE MOISTURE
RENEWING LOTIONS IF DRYNESS OCCURS. EYE:WASH W/GENEROUS QTYS OF
WATER FOR AT LEAST 15 MINS. CONSULT MD IF IRRIT PERSISTS. INHAL:
REMOVE TO FRE SH AIR. INGEST: CALL MD IMMEDIATELY.

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

Spill Release Procedures:VACUUM CLEAN SPILLAGE, WET SWEEP OR WASH AWAY.
AVOID CREATING DUST.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN DRY PLACE TO MAINTAIN PRODUCT
QUALITY.
Other Precautions:AVOID CREATING DUST. REPAIR OR PROPERLY DISPOSE OF
BROKEN BAGS.

Respiratory Protection:NIOSH/MSHA APPRVD RESPS FOR PROT AGAINST PNEUM
PRODCG DUSTS RECOMM WHEN DUST IS PRESENT. IF DUST CONC IS <10 TIMES
THE PEL USE QUARTER/HALF MASK RESP W/REPLACEMENT DUST FILTER/SINGLE
USE DUST RESP W/V ALVE. IF DUST CONC IS >10 TIMES(SUPDAT)
Ventilation:LOC EXHST: CONTROL W/IN RECOMM TLV/PEL. REFER TO ACGIH PUB
"INDUSTRIAL VENTILATION"/SIMILAR PUB FOR DESIGN OF VENT SYS.
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS.
Other Protective Equipment:EMERGENCY EYEWASH & DELUGE SHOWER MEETING
ANSI DESIGN CRITERIA.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
PH:10 (10% SLURRY). RESP PROT: & FACEPLATE RESP W/REPLACABLE DUST FILTER; IF >100 & <200 TIMES THE
PEL USE POWER AIR-PURIFYING(POS PRESS) RESP W/REPLACEMENT FILTER ;
IF >200 TIMES PEL USE TYPE C, SUPPLIED-AIR RESP, CONTINUOUS FLOW
TYPE(POS PRESS) W/FULL FACEPLACE, HOOD/HELMET.

Spec Gravity:2.3
pH:SUPDAT
Solubility in Water:<2%
Appearance and Odor:SOLID WHITE POWDER, ODORLESS.

Stability Indicator/Materials to Avoid:YES
HYDROFLUORIC ACID. PRODUCTS CONTAINING SILICA MAY REACT VIOLENTLY WITH
HYDROFLUORIC ACID.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NOT APPLICABLE.

Waste Disposal Methods:NON-BIODEGRADABLE. USE SOLID WASET DISPOSAL
COMMON TO LANDFILL TYPE OPERATIONS OR IN SLURRY TO SUMPS. NOT
CONSIDERED A HAZARDOUS WASTE UNDER RCRA (40 CFR PART 261). DISPOSE
OF IN ACCORDANCE W/LOCAL, S TATE & FEDERAL REGULATIONS.

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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.