An owner or operator may be required to establish an unsaturated zone monitoring program consisting of soil-pore liquid monitoring in the zone immediately below a facility to determine whether hazardous constituents have migrated out of the facility. The Department will approve the components of this program based on a consideration of the construction and operation of the facility and the type and amount of waste being managed therein.

Statutory/Other Authority

ORS 183, 459 & 468

Statutes/Other Implemented

ORS 466.195 & 466.150

History

DEQ 8-1985, f. & ef. 7-25-85