The owner or operator of any rock processing operation located in Cass County shall install, operate and maintain a system to reduce potential emissions from conveying, transfer operations, and railcar and truck loading by 85 percent. Compliance with this Section may be demonstrated by the full-time use with any suitable combination of sprays, hoods, enclosures, or filters subject to Department approval.
129 Neb. Admin. Code, ch. 2, § 005