Or. Admin. Code § 340-104-0029 - Unsaturated Zone Monitoring Program
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.
Notes
Stat. Auth.:ORS 183,ORS 459&ORS 468
Stats. Implemented:ORS 466.195 &ORS 466.150
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.