Or. Admin. R. 340-041-0103
The following TMDLs have been approved by EPA, and appear on the Department’s web site:
Columbia River — Dioxin — February 25, 1991
Columbia River — Dissolved Gas — November 11, 2002
ORS 468.020, 468B.030, 468B.035 & 468B.048
ORS 468B.030, 468B.035 & 468B.048
DEQ 17-2003, f. & cert. ef. 12-9-03