Product ID:DEX-O-TEX DC DRESSING AGGREGATE, 1655
MSDS Date:02/12/1992
FSC:5610
NIIN:00N073036
MSDS Number: CCNLB

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:GRP 2B. NTP 7TH ANNUAL RPT ON
CARCINS, (SUPP DATA)
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NOT KNOWN.

First Aid:INHALATION:MOVE SUBJECT TO FRESH AIR. EYES:FLUSH W/WATER FOR
AT LEAST 15 MINUTES. SKIN:WASH W/SOAP & WATER. INGESTION:CALL MD.

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE . NO FIRE
HAZARD.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .

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 & CLEANUP SO TLV OF SIO*2 IS NOT EXCEEDED.
Other Precautions:PRACTICE GOOD HOUSEKEEPING & POST WORK AREAS WHERE
PRODUCT IS USED.

Respiratory Protection:NIOSH APPROVED RESPIRATOR.
Ventilation:GOOD VENTILATION. LOCAL EXHAUST: YES. MECHANICAL (GENERAL):
YES - FOLLOW OSHA STANDARD.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
ANSI DESIGN CRITERIA .
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EXPLAN OF CARCIN:1994:ANTICIPATED TO BE CARCINOGEN.

Spec Gravity:2.65 (H*2O=1)
Solubility in Water:NEGLIGIBLE
Appearance and Odor:SAND - GRANULAR, 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.

Waste Disposal Methods:DISPOSE IN SANITARY LANDFILL I/A/W STATE, LOCAL
& 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.