Or. Admin. R. 340-040-0110 – Method and Criteria for Establishment of Maximum Measurable Levels of Contaminants in Groundwater: Substances Regulated Under These Rules

(1) The Department shall, pursuant to the procedures adopted in accord with OAR 340-040-0125, et seq., propose to the Commission that it adopt a maximum measurable level for each substance of concern.
(2) The Department may, pursuant to the procedures adopted in accord with OAR 340-040-0125, et seq., propose to the Commission that it adopt a maximum measurable level for any contaminant that:
1. (a) Is used or has the potential for use in Oregon; and
2. (b) Has the potential to enter groundwater at least partially from one or more nonpoint sources; and
3. (c) May adversely affect public health or the environment.

ORS 183.335(7), 468.015 & 536.137

ORS 468B.155, 468B.165, 468B.166 & 468B.168

DEQ 1-1991, f. & cert. ef. 2-11-91