Oregon Administrative Rules
Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Division 208 - VISIBLE EMISSIONS AND NUISANCE REQUIREMENTS
Section 340-208-0610 - Clackamas, Columbia, Multnomah, and Washington Counties: Particulate Matter Weight Standards
Current through Register Vol. 63, No. 3, March 1, 2024
Except for equipment burning natural gas and liquefied petroleum gas, the maximum allowable emission of particulate matter from any fuel burning equipment:
(1) Is a function of maximum heat input as determined from Figure 1, except that from existing fuel burning equipment utilizing wood residue, it is 0.2 grain, and from new fuel burning equipment utilizing wood residue, it is 0.1 grain per standard cubic foot of exhaust gas, corrected to 12 percent carbon dioxide;
(2) Must not exceed Smoke Spot #2 for distillate fuel and #4 for residual fuel, measured by ASTM D2156-65, "Standard Method for Test for Smoke Density of the Flue Gases from Distillate Fuels."
[NOTE: View a PDF of Figure by clicking on "Tables" link below.]
[NOTE: Publications referenced are available from the agency.]
To view attachments referenced in rule text, click here to view rule.
Statutory/Other Authority: ORS 468 & 468A
Statutes/Other Implemented: ORS 468.020 & 468A.025
