TDS

SDS C6 QUIKRETE Companies, LLC 2/10/2023
Page 11 of 11
Emergency Planning and Community Right to Know Act (SARA Title III): Crystalline
silica (quartz) is not an extremely hazardous substance under Section 302 and is not a toxic
chemical subject to the requirements of Section 313.
FDA: Silica is included in the list of substances that may be included in coatings used in food
contact surfaces, 21 CFR §175.300(b)(3)(xxvi).
NTP: Respirable crystalline silica, primarily quartz dusts occurring in industrial and
occupational settings, is classified as Known to be a Human Carcinogen.
OSHA Carcinogen: Crystalline silica (quartz) is not listed.
15.3 State Right to Know Laws
California Prop. 65 Components
WARNING: This product can expose you to chemicals including crystalline silica which
is known to the State of California to cause cancer and Portland cement which is known to the
State of California to cause birth defects or other reproductive harm. For more information go
to www.P65Warnings.ca.gov.
California Inhalation Reference Exposure Level (REL): California established a chronic
REL of 3 µg for silica (crystalline, respirable). A chronic REL is an airborne level of a
substance at or below which no adverse health effects are anticipated in individuals
indefinitely exposed to the substance at that level.
Massachusetts Toxic Use Reduction Act: Silica, crystalline (respirable size, <10 microns)
is “toxic” for purposes of the Massachusetts Toxic Use Reduction Act.
15.4 Global Inventories
DSL All components of this product are on the Canadian DSL list.
TSCA No.: Crystalline silica (quartz) appears on the EPA TSCA inventory under the CAS No.
14808-60-7. All constituents are listed in the TSCA inventory.
SECTION XVI – OTHER INFORMATION
Last Updated: February 10, 2023
NOTE: The information and recommendations contained herein are based upon data believed to be
correct. However, no guarantee or warranty of any kind, express or implied, is made with respect to
the information contained herein. We accept no responsibility and disclaim all liability for any
harmful effects which may be caused by exposure to silica contained in our products.
Prepared by The QUIKRETE
Companies, LLC
End of SDS