Laboratory certification or registration

Laboratory certification or registration. Laboratory certification or registration. Bacteriological analyses of groundwater samples, and all radiological analyses shall be performed by the state laboratory of hygiene or at a laboratory certified or approved by the department of agriculture, trade and consumer protection. Other laboratory test results, including effluent toxicity, submitted to the department under a WPDES permit shall be performed by a laboratory certified or registered under ch. NR 149 . The following tests are excluded from this requirement: (1) Temperature, (2) Turbidity, (3) Bacteria tests in wastewater effluent and sludges, (4) pH, (5) Chlorine residual, (6) Specific conductance, (7) Physical properties of soils and sludges, (8) Nutrient tests of soils and sludges, (9) Flow measurements.