- (1) After October 1, 1993, any salt applied to roads in Salt Lake, Davis, or Utah counties shall be at least 92% NaCl, MgCl2, CaCl2, and/or KCl.
- (2) After January 1, 2014, any salt applied to roads in all other areas specified in R307-307-1 shall be no less than 92% by weight NaCl, MgCl2, CaCl2, and/or KCl.
KEY: air pollution, roads, particulate
Date of Last Change: February 1, 2013
Notice of Continuation: October 2, 2024
Authorizing, and Implemented or Interpreted Law: 19-2-104