Product ID:DEX-O-TEX DC DRESSING AGGREGATE, 1655
MSDS Date:12/12/1992
FSC:5610
NIIN:00N074517
Kit Part:Y
MSDS Number: CCRTP

Emergency Phone: 908-245-2800

Info Phone: 908-245-2800

Cage: 88167

Telephone: 908-245-2800

Cage: 88167

SILICA, CRYSTALLINE - QUARTZ; (SILICON DIOXIDE)

CAS: 14808-60-7

RTECS: VV7330000

OSHA PEL SEE TABLE Z-3

ACGIH TLV: 0.1 MG/M3 RDUST

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:EYE IRRITATION. POSSIBLE SKIN
IRRITATION. CHRONIC:FREE SILICA DUST MAY CAUSE DELAYED LUNG INJURY.
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ:IARC
MONOGRAPHS, SUPP, VOL 7, PG 341, 1987:GROUP 2A. NTP 7TH ANNUAL RPT
ON CARCINS: (SUPDAT)
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NOT KNOWN.

First Aid:INHALATION:MOVE SUBJECT TO FRESH AIR. EYES:FLUSH WITH WATER
FOR AT LEAST 15 MINUTES. SKIN:WASH WITH SOAP AND WATER.
INGESTION:CALL PHYSICIAN.

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE . NO FIRE
HAZARD.
Fire Fighting Procedures:WEAR NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT . NOT APPLICABLE.
Unusual Fire/Explosion Hazard:NOT APPLICABLE.

Spill Release Procedures:SWEEP OR VACUUM USING GOOD VENTILATION SO TLV
IS NOT EXCEEDED.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:USE DUSTLESS SYSTEMS FOR HANDLING,
STORAGE AND CLEANUP SO TLV OF SIO*2 IS NOT EXCEEDED.
Other Precautions:PRACTICE GOOD HOUSEKEEPING AND POST WORK AREAS WHERE
PRODUCT IS USED.

Respiratory Protection:NIOSH APPROVED RESPIRATOR.
Ventilation:GOOD LOCAL EXHAUST:YES. MECHANICAL (GENERAL):YES, FOLLOW
OSHA STANDARD.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:ANSI APPROVED EMERGENCY EYE WASH AND DELUGE
SHOWER . AS NEEDED.
Work Hygienic Practices:PRACTICE GOOD HOUSEKEEPING.
Supplemental Safety and Health
EXPLAN OF CARCIN:1994:ANTICIPATED TO BE CARCINOGEN. ANIMAL:LUNG.

Spec Gravity:2.65 (H*2O=1)
Solubility in Water:NEGLIGIBLE
Appearance and Odor:GRANULAR SAND, CRUSHED OR GROUND LIKE FLOUR; NO
ODOR OR TASTE.

Stability Indicator/Materials to Avoid:YES
DISSOLVED BY HYDROFLUORIC ACID WHICH CAN RESULT IN SILICON
TETRAFLUORIDE (SIF*4) WHICH IS CORROSIVE GAS.
Stability Condition to Avoid:NOT APPLICABLE.
Hazardous Decomposition Products:NOT APPLICABLE.

Waste Disposal Methods:DISPOSE IN SANITARY LANDIFLL IN ACCORDANCE WITH
STATE, LOCAL, AND FEDERAL REGULATIONS ON SOLID WASTES.

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.