# Third party laboratory testing of MTDs in accordance with the [https://sustainabletechnologies.ca/home/urban-runoff-green-infrastructure/conventional-stormwater-management/hydrodynamic-separators/procedure-for-laboratory-testing-of-oil-grit-separators/ TRCA’s Procedure for Laboratory Testing of Oil Grit Separators] and associated bulletins, and | # Third party laboratory testing of MTDs in accordance with the [https://sustainabletechnologies.ca/home/urban-runoff-green-infrastructure/conventional-stormwater-management/hydrodynamic-separators/procedure-for-laboratory-testing-of-oil-grit-separators/ TRCA’s Procedure for Laboratory Testing of Oil Grit Separators] and associated bulletins, and |