U. S. SILICA COMPANY
MSDS - MATERIAL SAFETY DATA SHEET
Product Names/Trade Names:
Barco Silica Sand sold under various names: ASTM TESTING SANDS • GLASS SAND • FLINT SILICA • DM-SERIES •
F-SERIES • FOUNDRY SANDS • FJ-SERIES • FP-SERIES • H-SERIES • L-SERIES • N-SERIES • NJ-SERIES • OK-
SERIES • P-SERIES • T-SERIES • HYDRAULIC FRACING SANDS • MIN-U-SIL® Ground Silica• MYSTIC WHITE® •
#1 DRY • #1 SPECIAL • PENN SAND® • Q-ROK® • SIL-CO-SIL® Ground Silica • SUPERSIL® • MASON SAND •
GS-SERIES • PER-SPEC
Sand, Silica Sand, Quartz, Crystalline Silica, Flint, Ground Silica.
Emergency Telephone Number: 304-258-2500 (8:30 am to 5:00 pm eastern)
U. S. Silica Company
P. O. Box 187
Berkeley Springs, WV 25411 Date Prepared: June 30, 2006 (revising February 10, 2005)
The U. S. Silica Company material is a white or tan sand, or ground sand. It is not flammable, combustible or explosive. It
does not cause burns or severe skin or eye irritation. A single exposure will not result in serious adverse health effects.
Crystalline silica (quartz) is not known to be an environmental hazard.
Crystalline silica (quartz) is incompatible with hydrofluoric acid, fluorine, chlorine trifluoride or oxygen difluoride.
OSHA REGULATORY STATUS
This material is considered hazardous under the OSHA Hazard Communications Standard (29 CFR 1910.1200).
POTENTIAL HEALTH EFFECTS:
Respirable crystalline silica (quartz) can cause silicosis, a fibrosis (scarring) of the lungs.
Silicosis may be progressive; it may lead to disability and death.
b. Lung Cancer
Crystalline silica (quartz) inhaled from occupational sources is classified as carcinogenic
Silicosis increases the risk of tuberculosis.
d. Autoimmune and Chronic Kidney Diseases Some studies show excess numbers of cases of scl