NORTHERN SIERRA AIR QUALITY MANAGEMENT DISTRICT

RULE 317 - MECHANIZED BURNERS REQUIREMENTS
(Adopted: September 11, 1991)

The APCO may authorize, by permit, open outdoor fires for the purpose of disposing of agricultural wastes, or wood waste from trees, vines, bushes, or other wood debris free of non-wood materials, in a mechanized burner such that no air contaminant is discharged for a period or periods aggregating more than 30 minutes in any eight hour period which is:

1. As dark or darker in shade as that designated No. 1 on the Ringlemann Chart, as published by the United States Bureau of Mines, or
2. Of such opacity as to obscure an observer's view to a degree equal to or greater than does smoke described in subsection (1) of this section. In authorizing the operation of a mechanized burner, the APCO may make the permit subject to whatever conditions he determines are reasonably necessary to assure conformance with the standards prescribed in this regulation (Section 41812)