Product ID:ATLASTACRETE E BASE AGGREGATE PART C, 05723
MSDS Date:07/16/1991
FSC:8040
NIIN:00N037517
Kit Part:Y
MSDS Number: BQVTJ

Emergency Phone: 800-424-9300(CHEMTREC)

Info Phone: 215-682-7171

Cage: 04503

Telephone: 215-682-7171

Cage: 04503

SILICA, CRYSTALLINE-QUARTZ; (SILICA)

CAS: 14808-60-7

RTECS: VV7330000

Fraction By Weight: 95-100%

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: EYES: CONTACT CAUSES
IRRITATION. INHAL: INHALATION MAY CAUSE IRRITATION OF THE
RESPIRATORY SYSTEM. CHRONIC EFFECTS OF OVEREXPOSURE:CHRONIC LUNG
SCARRING LEADS TO A MASSIVE FIBROSIS AND OTHER RE SPIRATORY
INFECTIONS.
Explanation of Carcinogenicity:SILICA, CRYSTALLINE (QUARTZ):
ANTICIPATED TO BE CARCINOGEN(NTP), NTP 6TH ANN RPT ON CARCINS
(SUM), 1991 (SUPDAT)
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:RESPIRATORY PROBLEMS, ASTHMA,
EMPHYSEMA.

First Aid:EYES: FLUSH WITH CLEAR WATER FOR AT LEAST 15 MINUTES. INHAL:
REMOVE TO FRESH AIR. SKIN: FLUSH WITH COPIOUS AMOUNTS OF WATER.
CALL MD . INGEST: CALL MD IMMED .

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.

Spill Release Procedures:MAY BE SWEPT OR VACUUMED FROM AREA. WEAR
NIOSH/MSHA APPROVED RESPIRATORY PROTECTION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN COOL, DRY PLACE. DO NOT TAKE
INTERNALLY. FOR INDUSTRIAL USE ONLY. KEEP OUT OF REACH OF CHILDREN.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:USE A NIOSH/MSHA APPROVED DUST MASK/ALL PURPOSE
CANISTER MASK SUITABLE FOR REMOVING DUST, IF CONDITIONS SO DICTATE.
Ventilation:LOCAL: ADEQUATE TO PREVENT MIGRATION OF DUST.
MECHANICAL:ACCEPTABLE.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:EYE BATH.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER. HEALTH HAZARD DATA: GROUP 2A (IARC),
IARC MONOGRAPH VOLUM SUPPLEMENT 7, P. 341, 1987.

Spec Gravity:2.65
Solubility in Water:INSOLUBLE
Appearance and Odor:ODORLESS COLORED/COLORLESS GRANULES

Stability Indicator/Materials to Avoid:YES
NONE SPECIFIED BY MANUFACTURER.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE.

Waste Disposal Methods:DISPOSE IN ACCORDANCE WITH APPLICABLE LOCAL,
STATE AND FEDERAL REGULATIONS.

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.