Product ID:DIATOMACEOUS EARTH
MSDS Date:01/01/1999
FSC:9390
NIIN:01-386-9349
Status Code:A
MSDS Number: CLJSS

VOPAK USA INC

6100 CARILLON POINT
KIRKLAND, WA 98033
US

Emergency Phone: 800 424-9300

Info Phone: 425 889-3400

Cage: UO683

VOPAK USA INC

KIRKLAND, WA 98033 US

Telephone: 425 889-3400

Cage: UO683

DIATOMACEOUS EARTH, FLUX-CALCINED (MAY CONTAIN UPTO 40%

CAS: 68855-54-9

CRYSTOBALITE

CAS: 14464-46-1

RTECS: VV7325000

OSHA PEL .05 MG/M3 RESPIRABLE

ACGIH TLV: 0.05 MG/M3

QUARTZ

CAS: 14808-60-7

RTECS: VV7330000

OSHA PEL see Table Z-3

ACGIH TLV: 0.1 MG/M3

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES
Health Hazards Acute and Chronic:INHALATION: IRRITATION AND SORENESS IN
THROAT AND NOSE, IN EXTREME EXPOSURES SOME CONGESTION MAY OCCUR.
EYES: TEMPORARY IRRITATION OR INFLAMMATION. SKIN CONTACT: N/A SKIN
ABSORPTION: N/A INGESTION: NO T HAZARDOUS WHEN INGESTED.
Explanation of Carcinogenicity:THIS PRODUCT CONTAINS CRYSTALLINE SILICA
(CS), WHICH IS CONSIDERED A HAZARD BY INHALATION. IARC HAS
CLASSIFIED INHALATION OF CS AS CARCINOGENIC FOR HUMANS (GROUP 1),
CS IS LISTED BY NTP AS A SUBSTANCE WHICH MAY REASONABLY BE
ANTICIPATED TO BE A CARCINOGEN. CS IS ALSO A KNOWN CAUSE OF
SILICOSIS, A NONCANCEROUS LUNG DISEASE.
Effects of Overexposure:INHALATION: IRRITATION AND SORENESS IN THROAT
AND NOSE, IN EXTREME EXPOSURES SOME CONGESTION MAY OCCUR. EYES:
TEMPORARY IRRITATION OR INFLAMMATION. SKIN CONTACT: N/A SKIN
ABSORPTION: N/A INGESTION: NO T HAZARDOUS WHEN INGESTED.
CRYSTALLINE SILICA IS ALSO A KNOWN CAUSE OF SILICOSIS, A
NONCANCEROUS LUNG DISEASE.
Medical Cond Aggravated by Exposure:PRE-EXISTING UPPER RESPIRATORY AND
LUNG DISEASE SUCH AS, BUT NOT LIMITED TO BRONCHITIS, EMPHYSEMA AND
ASTHMA.

Extinguishing Media:NONE
Fire Fighting Procedures:NONE
Unusual Fire/Explosion Hazard:NONE

Spill Release Procedures:VACUUM CLEAN DUST WITH EQUIPMENT FITTED WITH
HEPA FILTER. USE A DUST SUPPRESSANT SUCH AS WATER IF SWEEPING IS
NECESSARY.

Handling and Storage Precautions:MINIMIZE DUST GENERATION AND
ACCUMULATION. AVOID BREATHING DUST. AVOID CONTACT WITH EYES. SEAL
BROKEN BAGS IMMEDIATELY, CONTINUE TO FOLLOW ALL MSDS/LABEL WARNINGS
WHEN HANDLING EMPTY CONTAINERS.

Respiratory Protection:<10 X PEL, USE AN N95 QUARTER MASK RESPIRATOR;
50 X PEL USE A FULL FACE RESPIRATOR EQUIPPED WITH N95 FILTERS; 200
X PEL, USE A POWERED AIR PURIFYING RESPIRATOR (POSITIVE PRESSURE)
WITH N95 FILTERS; > 200 X PEL, USE A FULL FACE TYPE C SUPPLIED AIR
RESPIRATOR (CONTINUOUS FLOW MODE).
Ventilation:USE SUFFICIENT NATURAL OR MECHANICAL VENTILATION TO KEEP
DUST LEVEL BELOW PEL.
Protective Gloves:NOT NORMALLY REQUIRED.
Eye Protection:GOGGLES OR SAFETY GLASSES WITH SIDESHIELDS ARE
RECOMMENDED.
Other Protective Equipment:INSURE PROPER RESPIRATORY PROTECTION.
Supplemental Safety and Health
SPECIAL CONSIDERATIONS FOR REPAIR/MAINTENANCE OF CONTAMINATED
EQUIPMENT: INSURE PROPER RESPIRATORY PROTECTION.

HCC:T6
Melt/Freeze Pt:M.P/F.P Text:N/D
Spec Gravity:2.3
Solubility in Water:NEGLIGIBLE
Appearance and Odor:FINE WHITE POWDER, NO ODOR.
Percent Volatiles by Volume:NIL

Stability Indicator/Materials to Avoid:YES
HYDROFLUORIC ACID.
Stability Condition to Avoid:NONE IN DESIGNED USE.
Conditions to Avoid Polymerization:HAZARDOUS POLYMERIZATION CANNOT
OCCUR.

Waste Disposal Methods:WASTES ARE NOT HAZARDOUS AS DEFINED BY RCRA (40
CFR PART 261), OTHER STATE AND LOCAL REGULATIONS MAY VARY, CONSULT
LOCAL AGENCIES AS NEEDED. USED MATERIAL WHICH HAS BECOME
CONTAMINATED MAY HAVE SIGNIF ICANTLY DIFFERENT CHARACTERISTICS
BASED ON THE CONTAMINANT AND SHOULD BE EVALUATED ACCORDINGLY.

Disclaimer (provided with this information by the compiling agencies):
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.

Ecological:GENERALLY CONSIDERED CHEMICALLY INERT IN THE ENVIRONMENT.
USED MATERIAL WHICH HAS BECOME CONTAMINATED MAY HAVE SIGNIFICANTLY
DIFFERENT CHARACTERISTICS BASED ON THE CONTAMINANT AND SHOULD BE
EVALUATED ACCORDINGLY.

Transport Information:DOT PSN: EARTH, DIATAMACEOUS CRUDE OR GROUND. NOT
CLASSIFIED.

SARA Title III Information:CERCLA: MATERIAL IS NOT REPORTABLE UNDER
CERCLA, LOCAL REQUIREMENTS MAY VARY. SARA 311/312 HAZARD
CATEGORIES: IMMEDIATE AND DELAYED. 313 REPORTABLE INGREDIENTS:
NONE.
Federal Regulatory Information:TSCA INVENTORY STATUS: THIS MATERIAL IS
LISTED ON THE TSCA INVENTORY, AND IS NOT OTHERWISE REGULATED BY
TSCA SEC 4,5,6,7 OR 12.
State Regulatory Information:CALIFORNIA PROPOSITION 65 - THIS PRODUCT
CONTAINS CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE
CANCER.