- (1) No lime wastes, process waters or Steffen's waste shall be discharged to any drain or wasteway or in any way such that it may reach groundwater.
- (2) Flume water may be discharged to a drain or wasteway, but only after grit removal and reuse in the flumes with not more than 40 percent make-up. The waste water discharged to provide for the make-up must be settled in a tank equipped for continuous sludge removal and having a detention period of 2 hours.
- (3) Flume water may be lagooned or used for irrigation.
[Rule .04.243 (C)(4), filed 3/1/60.]