Or. Admin. R. 340-043-0040

Current through Register Vol. 63, No. 8, August 1, 2024

Section 340-043-0040 - Plan and Specifications

(1) A person constructing or commencing to operate a chemical process mine or substantially modifying or expanding an existing chemical process mine shall first submit plans and specifications to the Department for construction, operation and maintenance of the facilities intended for treatment, control and disposal of wastes.

(2) The plans shall address all applicable requirements of this Division and shall include, but not be limited to, the following:

(a) A description of the facilities to be constructed, including tanks, pipes and other storage and conveyance means for processing chemicals and solutions and wastewaters;

(b) A management plan for control of surface water;

(c) A management plan for treatment and disposal of excess wastewater, including provisions for reuse and wastewater minimization;

(d) A facility construction plan including, as applicable, the design of low-permeability soil barriers, the type of geosynthetics to be used and a description of their installation methods, the design of wastewater treatment facilities and processes, a quality assurance plan for applicable phases of construction and a listing of construction certification reports to be provided to the Department;

(e) A preliminary closure plan;

(f) A preliminary post-closure monitoring and maintenance plan;

(g) A spill containment and control plan.

(3) The Department shall approve the plans, in writing, before construction of the facilities may be started.

Or. Admin. R. 340-043-0040

DEQ 23-1992, f. & cert. ef. 9-8-92

Stat. Auth.:ORS 468.020

Stats. Implemented:ORS 468B.055 &ORS 517.971