Product ID:DEX-O-TEX DC DRESSING AGGREGATE, 1656
MSDS Date:02/12/1992
FSC:5610
NIIN:00N038946
MSDS Number: BRHRQ

Emergency Phone: 908-245-2800

Info Phone: 908-245-2800

Cage: 60782

Telephone: 310-886-9100

Cage: 60782

SILICA, CRYSTALLINE - QUARTZ; (SILICON DIOXIDE)

CAS: 14808-60-7

RTECS: VV7330000

OSHA PEL SEE TABLE Z3

ACGIH TLV: 0.1 MG/M3 RDUST;9293

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:EYE IRRITATION - POSSIBLE SKIN
IRRITATION. CHRONIC:FREE SILICA DUST MAY CAUSE DELAYED LUNG INJURY.
Explanation of Carcinogenicity:CRYSTALLINE SILICA - QUARTZ:GP2A
(IARC,VOL7,P341,1987), ANTICIPATED TO BE A CARCINOGEN (NTP 6TH ANN
RPT, 1991).
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NOT KNOWN.

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

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:WEAR NIOSH/MSHA 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:POST WORK AREAS WHERE PRODUCT IS USED.

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:GOOD LOCAL EXHAUST &/OR MECHANICAL (GENERAL) VENTILATION.
FOLLOW OSHA STANDARD.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:OTHER PROTECTIVE CLOTHING OR EQUIPMENT AS
NEEDED.
Work Hygienic Practices:PRACTICE GOOD HOUSEKEEPING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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 (SIF4) 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.