OAR 340-256-0100
Visible Emissions: General Requirements, Exclusions

(1)

A person may not operate, drive, or cause or permit to be driven or operated any motor vehicle upon public roads that emits into the atmosphere any visible emission.

(2)

Excluded from this rule are those motor vehicles:

(a)

Powered by diesel cycle engines;

(b)

Granted a variance by written order of DEQ under ORS 468A.075 (Variances from air contamination rules and standards).

(3)

A person may not operate, drive, or cause or permit to be driven or operated any motor vehicle upon public roads if any element of the factory-installed motor vehicle pollution control system has been modified or altered in such a manner that decreases its efficiency or effectiveness in controlling air pollution in violation of ORS 815.305 (Disconnection or alteration of pollution control equipment), except as noted in ORS 815.305 (Disconnection or alteration of pollution control equipment)(2).
[NOTE: This rule is included in the State of Oregon Clean Air Act Implementation Plan that EQC adopted under OAR 340-200-0040 (State of Oregon Clean Air Act Implementation Plan).]

Source: Rule 340-256-0100 — Visible Emissions: General Requirements, Exclusions, https://secure.­sos.­state.­or.­us/oard/view.­action?ruleNumber=340-256-0100.

340‑256‑0010
Definitions 340‑256‑0100
Visible Emissions: General Requirements, Exclusions 340‑256‑0110
Visible Emissions: Special Requirements for Excluded Motor Vehicles 340‑256‑0130
Visible Emissions: Motor Vehicle Fleet Operation 340‑256‑0140
Visible Emissions: Dealer Compliance 340‑256‑0150
Visible Emissions: Opacity Method of Measurement 340‑256‑0160
Visible Emissions: Alternative Methods of Measuring Visible Emissions 340‑256‑0200
Certification of Pollution Control Systems: County Designations 340‑256‑0210
Certification of Pollution Control Systems: Criteria for Certification of Motor Vehicle Pollution Control Systems 340‑256‑0220
Compliance With Oregon Low Emission Vehicle Program 340‑256‑0300
Emission Control System Inspection: Scope 340‑256‑0310
Emission Control System Inspection: Government-Owned Vehicle, Permanent Fleet Vehicle and United States Government Vehicle Testing Requirements 340‑256‑0320
Emission Control System Inspection: Motor Vehicle Inspection Program Fee Schedule 340‑256‑0330
Emission Control System Inspection: Department of Defense Personnel Participating in the Privately Owned Vehicle Import Control Program 340‑256‑0340
Emission Control System Inspection: Light Duty Motor Vehicle and Heavy Duty Gasoline Motor Vehicle Emission Control Test Method for Basic Program 340‑256‑0355
Emission Control System Inspection: Emissions Control Test Method for OBD Test Program 340‑256‑0356
Emission Control System Inspection: Emissions Control Test Method for On-Site Vehicle Testing for Automobile Dealerships 340‑256‑0357
Emission Control System Inspection: Emissions Control Test Method for Clean-Screening Program 340‑256‑0358
Emission Control System Inspection: Emissions Control Test Method for Self-Service Testing Program 340‑256‑0370
Emission Control System Inspection: Renewal of Registration for Light Duty Motor Vehicles and Heavy Duty Gasoline Motor Vehicles Temporarily Operating Outside of Oregon 340‑256‑0380
Emission Control System Inspection: Light Duty Motor Vehicle Emission Control Test Criteria for Basic Program 340‑256‑0390
Emission Control System Inspection: Heavy Duty Gasoline Motor Vehicle Emission Control Test Criteria 340‑256‑0400
Emission Control System Inspection: Light Duty Motor Vehicle Emission Control Standards for Basic Program 340‑256‑0420
Emission Control System Inspection: Heavy-Duty Gasoline Motor Vehicle Emission Control Standards 340‑256‑0440
Emission Control System Inspection: Criteria for Qualifications of Persons Eligible to Inspect Motor Vehicles and Motor Vehicle Pollution Control Systems and Execute Certificates 340‑256‑0450
Emission Control System Inspection: Gas Analytical System Licensing Criteria for Basic Program 340‑256‑0465
Emission Control System Inspection: Test Equipment Licensing Criteria for OBD Test Program 340‑256‑0470
Emission Control System Inspection: Agreement With Independent Contractor
Last Updated

Jun. 8, 2021

Rule 340-256-0100’s source at or​.us