74:29:05:07Treatment of tailings
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
-- Monitoring during treatment process. Effluent or pore water from tailings impoundments shall be monitored for key parameters designated by the department to statistically characterize the treatment cycle. The monitoring shall be done throughout the duration of the treatment process.
Source: 14 SDR 111, effective March 3, 1988.