VAN WATERS & ROGERS INC -- DIATOMACEOUS EARTH, CALCINED  -- 9390-00N078256
<pre>=====================  Product Identification  =====================

Product ID:DIATOMACEOUS EARTH, CALCINED
MSDS Date:01/03/1995
FSC:9390
NIIN:00N078256
=== Responsible Party ===
Company Name:VAN WATERS & ROGERS INC
Address:6100 CARILLON POINT
City:KIRKLAND
State:WA
ZIP:98033
Country:US
Info Phone Num:206-889-3400
Emergency Phone Num:206-889-3400
CAGE:DO735
=== Contractor Identification ===
Company Name:VAN WATERS & ROGERS SUBSIDIARY OF UNIVAR
Address:6100 CARILLON POINT
City:KIRKLAND
State:WA
ZIP:98033
Country:US
Phone:425-889-3400
CAGE:DO735
Company Name:VOPAK USA INC
Address:6100 CARILLON POINT
Box:City:KIRKLAND
State:WA
ZIP:98033-7357
Country:US
Phone:425-889-3400/425-889-3617
CAGE:0STM5

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

Ingred Name:DIATOMACEOUS EARTH, FLUX-CALCINED. MFR CAS #91053-39-3
CAS:68855-54-9
Fraction by Wt: 100%
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:SILICA, CRYSTALLINE - CRISTOBALITE
CAS:14464-46-1
RTECS #:VV7325000
Fraction by Wt: <1%
OSHA PEL:SEE TABLE Z-3
ACGIH TLV:0.05 MG/M3 RDUST

Ingred Name:SILICA, CRYSTALLINE - QUARTZ
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: <1%
OSHA PEL:SEE TABLE Z-3
ACGIH TLV:0.1 MG/M3 RDUST

Ingred Name:SUPDAT:CONSEQUENTLY, MAINTENANCE OF CRYSTALLINE SILICA DUST
    CONCS @ OR BELOW LEVELS SPECIFIED BY OCCUP STD (ING 5)
RTECS #:9999999ZZ

Ingred Name:ING 4:SETTING AGENCIES WILL MINIMIZE, IF NOT ELIM, ANY
    POTNTL RISK OF NMRI/LUNG CANCER. SUMMRY:EXPOS TO QTYS OF (ING 6)
RTECS #:9999999ZZ

Ingred Name:ING 5:CRYSTALLINE SILICA DUST IN EXCESS OF OSHA PEL/ACGIH
    TLV LISTED IS KNOWN CAUSE OF SILICOSIS. PROGRESSIVE, (ING 7)
RTECS #:9999999ZZ

Ingred Name:ING 6:SOMETIMES FATAL, LUNG DISEASE. IN 1987, IARC ISSUED
    MONO 42, REVIEW OF "SILICA & SOME SILICATES." BASED ON (ING 8)
RTECS #:9999999ZZ

Ingred Name:ING 7:CONCLUSIONS IN MONO (RPT), CRYSTALLINE SILICA WAS
    RATED IN CATEGORY 2A AS "PROBABLY CARCIN TO HUMANS." (ING 9)
RTECS #:9999999ZZ

Ingred Name:ING 8:THE MFR, IN CONJUNCTION W/OTHER MEMBERS OF
    INTERNATIONAL DIATOMITE PRODUCERS ASSOC (IDPA), HAS SPONSORED (ING
    10)
RTECS #:9999999ZZ

Ingred Name:ING 9:STUDY TO EXAMINE LONG TERM HLTH EFTS AMONG CERTAIN
    WORKERS IN DIATOMACEOUS EARTH (DE INDUSTRY. STUDY (ING 11)
RTECS #:9999999ZZ

Ingred Name:ING 10:WAS CONDUCTED BY UNIVERSITY OF WASHINGTON SCHOOL OF
    PUBLIC HLTH & COMMUNITY MEDICINE & FINAL RPT WAS (ING 12)
RTECS #:9999999ZZ

Ingred Name:ING 11:ISSUED IN OCTOBER, 1992. RPT CONCLUDED THERE WAS
    INCR IN NON-MALIGNANT RESP DISEASE (NMRD) & LUNG CANCER (ING 13)
RTECS #:9999999ZZ

Ingred Name:ING 12:INCIDENCE AMONG THOSE DE WORKERS STUDIED WHEN
    COMPARED TO NATL & REGIONAL POPULATIONS (STD MORTALIZATION (ING 14)
RTECS #:9999999ZZ

Ingred Name:ING 13:OF 2.59 & 1.43, RESPECTIVELY). RPT FURTHER CONCLUDED
    RELATIVELY INTENSE EXPOS OCCURED BEFORE 1950'S WERE (ING 15)
RTECS #:9999999ZZ

Ingred Name:ING 14:PROBABLY MOST IMPORTANT CONTRIBUTORS TO EXCESSES IN
    NMRD & LUNG CANCER. IN ADDN, DATA IN RPT INDICATED (ING 16)
RTECS #:9999999ZZ

Ingred Name:ING 15:IMPROVEMENTS IN DUST CONTROL IN INDUSTRY APPEAR TO
    HAVE ABATED ANY EXCESS RISK OF SILICOSIS & LUNG CANCER(ING 17)
RTECS #:9999999ZZ

Ingred Name:ING 16:IN TODAY'S WORK ENVIRON. MFR INTENDS TO CONTINUE TO
    SUPPORT MEANINGFUL RESEARCH IN FUTURE THROUGH IDPA. (ING 18)
RTECS #:9999999ZZ

Ingred Name:ING 17:SUMMARY REPORT OF UNIVERSITY OF WASHINGTON IS
    AVAILABLE UPON REQUEST. TARGET ORGANS:LUNGS.
RTECS #:9999999ZZ

Ingred Name:RESP PROT:IF DUST CONC IS >10 TIMES & <100 TIMES PEL USE
    NIOSH APPRVD FULL FACEPLATE RESP W/REPLACABLE DUST (ING 20)
RTECS #:9999999ZZ

Ingred Name:ING 19:FILTER; IF >100 & <200 TIMES PEL USE NIOSH APPRVD
    POWER AIR-PPURIFYING (POS PRESS) RESP W/REPLACABLE (ING 21)
RTECS #:9999999ZZ

Ingred Name:ING 20:FILTER. IF >200 TIMES PEL USE NIOSH APPRVD TYPE C,
    SUPPLIED AIR RESP, CONTINUOUS FLOW TYPE (POS PRESS), (ING 22)
RTECS #:9999999ZZ

Ingred Name:ING 21:W/FULL FACEPIECE, HOOD, OR HELMET.
RTECS #:9999999ZZ

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

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:UPPER RESP IRRITANT - MAY CAUSE
    COUGHING OR THROAT IRRITATION. CHRONIC:INHAL OF CRYSTALLINE SILICA
    DUST IN EXCESS OF THRESHOLD LIMIT VALUE (TLV) REC BY AMERICAN
    CONFERENCE OF GOVNT INDUST HYGIEN ISTS (ACGIH) OR IN EXCESS OF
    PERMISSIBLE EXPOS LIMIT (PEL) ESTABLISHED BY OSHA OVER EXTENDED
    NUMBER (EFT OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-CRISTOBALITE:IARC
    MONO, VOL 68, 1997:GROUP 1. NTP 7TH ANNUAL RPT ON CARCIN,
    1994:ANTIC TO (SUPDAT)
Effects of Overexposure:HLTH HAZ:OF YRS MAY CAUSE SILICOSIS,
    PROGRESSIVE SOMETIMES FATAL LUNG DISEASE. ALTHOUGH SILICOSIS IS
    NON-CANCEROUS LUNG DISEASE, RECENT STUDY (OCTOBER 1992) CONDUCTED
    BY UNIVERSITY OF WASHINGTON ON CE RTAIN DIATOMITE WORKERS INDICATE
    EXPOS TO HIGH CONCS OF CRYSTALLINE SILICA FOR MANY YRS MAY INCR
    POTNTL RISK (SUPDAT)
Medical Cond Aggravated by Exposure:PRE-EXISTING DISEASES OF UPPER
    RESPIRATORY TRACT AND LUNG SUCH AS BRONCHITIS, EMPHYSEMA, AND
    ASTHMA.

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

First Aid:SKIN:USE MOISTURE RENEWING LOTIONS IF DRYNESS OCCURS.
    EYE:WASH WITH GENEROUS QUANTITIES OF WATER FOR AT LEAST 15 MINUTES.
    CONSULT PHYSICIAN IF IRRITATION PERSISTS. INHAL:REMOVE TO FRESH
    AIR. INGEST:DR INK GENEROUS AMOUNTS OF WATER TO REDUCEBULK & DRYING
    EFFECTS.

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

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

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

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

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

Handling and Storage Precautions:AVOID CREATING DUST. REPAIR OR
    PROPERLY DISPOSE OF BROKEN BAGS.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:NIOSH APPRVD RESP FOR PROTECTION AGAINST
    PNEUMOCONIOSIS PRODUCING DUSTS REC WHEN DUST PRESENT. IF DUST CONC
    IS <10 TIMES PEL USE NIOSH APPRVD QUARTER/HALF MASK RESPS
    W/REPLACEMENT DUST FILTER/SINGLE U SE DUST RESPIRATORY W/VALVE.
    (ING 19)
Ventilation:LOCAL-CONTROL W/IN REC TLV/PEL. REFER TO ACGIH PUBLICATION
    "INDUST VENT"/SIMILAR PUBLICATIONS FOR DESIGN OF VENT SYS.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER .
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
PH:7 (10% SLURRY). EXPLAN OF CARCIN:CARCIN. SILICA,
    CRYSTALLINE-QUARTZ:IARC MONO, VOL 68, 1997:GROUP 1. NTP 7TH ANNUAL
    RPT ON CARCINS. 1994:ANTIC TO BE CARCINOGEN. EFTS OF OVEREXP:OF
    DEVELOPING LUNG C ANCER. STUDY ALSO RPTS THAT FOR WORKERSHIRED
    SINCE 1960, NO INCR IN LUNG CANCER MORTALITY RISK WAS FOUND. (ING
    4)

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

Spec Gravity:2.2
pH:SUPDAT
Evaporation Rate &amp; Reference:NOT KNOWN
Solubility in Water:<2%
Appearance and Odor:ODORLESS, GRANULAR SOLID PRODUCT, BUFF TO
    OFF-WHITE.

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

Stability Indicator/Materials to Avoid:YES
HYDROFLUORIC ACID. PRODS CONTAINING SILICA MAY REACT VIOLENTLY
    W/HYDROFLUORIC ACID.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.

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

Waste Disposal Methods:NON-BIODEGRADABLE. USE SOLID WASTE DISP COMMON
    TO LANDFILL TYPE OPERATIONS/IN SLURRY TO SUMPS. NOT CONSIDERED
    HAZARDOUS WASTE UNDER RCRA (40 CFR PART Z61). DISPOSAL MUST BE
    I/A/W FEDERAL, STATE & LOCA L REGULATIONS .

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