Sampling and analytical methods

Sampling and analytical methods. Sampling and analytical methods. Unless otherwise specified in the WPDES permit for a land treatment system: (1) The procedures for measuring flow and taking samples of discharges shall be those in ch. NR 218 , (2) The methods of analysis for substances contained in discharges shall be those specified in ch. NR 219 , and (3) All laboratory monitoring data which is submitted to the department shall include a certification that the laboratory adhered to the provisions of ch. NR 149 , which specifies minimum requirements and criteria for laboratory methodology, quality control procedures, and records keeping procedures.