Or. Admin. R. 632-020-0145
(1) Materials and fluids necessary for the drilling, production, or other operations may be discharged or placed in pits and sumps only with the approval of the department and the Department of Environmental Quality. The operator must not allow the contents of the pit to:
ORS 522
ORS 522.305
DGMI 3-2013, f. & cert. ef. 3-21-13
DGMI 1-2010, f. & cert. ef. 6-22-10
GMI 2-1995, f. & cert. ef. 3-10-95
GMI 4-1980, f. & ef. 10-2-80
GMI 4, f. 7-20-72, ef. 8-1-72