Or. Admin. R. 340-256-0150

Current through Register Vol. 63, No. 6, June 1, 2024

Section 340-256-0150 - Visible Emissions: Opacity Method of Measurement

Only a trained person may make the opacity observation for purposes of OAR 340-256-0100 through 340-256-0140. A trained person may use a Ringelmann Smoke Chart or DEQ approved opacity equipment to measure emission opacity.

[NOTE: Publications referenced are available from the agency.]

Or. Admin. R. 340-256-0150

DEQ 8, f. 4-7-70, ef. 5-11-70; DEQ 4-1993, f. & cert. ef. 3-10-93; DEQ 14-1999, f. & cert. ef. 10-14-99, Renumbered from 340-024-0035; DEQ 191-2018, minor correction filed 07/18/2018, effective 7/18/2018; DEQ 21-2020, amend filed 11/19/2020, effective 11/19/2020

Publications: Publications referenced are available from the agency.

Statutory/Other Authority: ORS 468 & 468A

Statutes/Other Implemented: ORS 468A.360