Or. Admin. Code § 340-256-0110 - Visible Emissions: Special Requirements for Excluded Motor Vehicles

A person may not operate, drive, or cause or permit to be driven or operated upon a public street or highway, any motor vehicle excluded from OAR 340-256-0100 that:

(1) When operated at an elevation of 3,000 feet or less, emits visible emissions into the atmosphere:

(a) Of an opacity greater than 10 percent; or

(b) Of an opacity 40 percent or greater for a period exceeding seven consecutive seconds.

(2) When operated at an elevation over 3,000 feet, emits visible emissions into the atmosphere:

(a) Of an opacity greater than 20 percent; or

(b) Of an opacity of 60 percent or greater for a period exceeding seven consecutive seconds.

Notes

Or. Admin. Code § 340-256-0110

DEQ 8, f. 4-7-70, ef. 5-11-70; DEQ 14-1999, f. & cert. ef. 10-14-99, Renumbered from 340-024-0015; DEQ 21-2020, amend filed 11/19/2020, effective 11/19/2020

Statutory/Other Authority: ORS 468 & 468A

Statutes/Other Implemented: ORS 468A.360