In making tests or analyses of the waters of the state, sewage, industrial wastes, or other wastes to determine water quality condition and compliance with effluent limits and nonpoint source reduction measures, samples must be collected in a manner and place, and of such type, number, and frequency, as may be considered necessary by the agency to adequately reflect the condition of the waters, the composition of the effluents, and the effects of the pollutants upon the uses specified in part 7050.0140. The samples must be collected, preserved, and analyzed following accepted quality control and quality assurance methods and according to the procedures in Code of Federal Regulations, title 40, part 136. The agency may accept or may develop other methods, procedures, guidelines, or criteria for collecting and analyzing effluent samples and measuring water quality characteristics.
Minn. R. agency 167, ch. 7053, EFFLUENT LIMITS AND TREATMENT REQUIREMENTS FOR DISCHARGES TO WATERS OF THE STATE, pt. 7053.0155
Statutory Authority: MS s 115.03; 115.44