NORTHERN SIERRA AIR QUALITY MANAGEMENT DISTRICT
RULE 512 - CIRCUMVENTION
(Adopted: September 11, 1991)
A person shall not build, erect, install, or use any article, machine, equipment or other contrivance, the use
of which, without resulting in an actual reduction in the total release of air contaminants to the atmosphere,
superficially reduces or conceals an emission which would otherwise constitute a violation of Division 26 of the
Health and Safety Code of the State of California or of these Rules and Regulations. This Rule shall not apply
to cases in which the only violations involved are Section 41700 of the Health and Safety Code, or of Rule 205
of these Rules and Regulations.