Section 58.01.01.793 - EMISSIONS STANDARDS FOR NONMETALLIC MINERAL PROCESSING PLANTS NOT SUBJECT TO 40 CFR PART 60, SUBPART OOOOwners and operators of nonmetallic mineral processing plants that are not subject to a 40 CFR Part 60 requirement must comply with the emissions standards set forth in Section 793.
01.Processing Plants Not Regulated by 40 CFR Part 60 . Fixed or portable plants that commenced construction, reconstruction, or modification before August 31, 1983, are not subject to 40 CFR 60, Subpart OOO.02.Emissions Standards for Fugitive Emissions. Emissions that exhibit greater than twenty percent (20%) opacity must not be discharged in the atmosphere from any crusher, grinding mill, screening operation, bucket elevator, belt conveyor, conveying system, transfer point, vent, capture system, storage bin, stockpile, truck dumping operation, vehicle traffic on an affected paved public roadway, vehicle traffic on or wind erosion of an unpaved haul road, or other source of fugitive emissions. Opacity must be determined using the test methods and procedures in Section 625. The plant is not required to have a certified opacity reader.Idaho Admin. Code r. 58.01.01.793