Separating equipment including such equipment for separating trade waste particularly oil, grease, and solids from water; filtration equipment including such equipment for filtering water containing trade waste liquids and solids; spill control systems and monitoring systems; first flush and trade waste diversion systems; recycling systems; silt traps and collection pits; chemical dosing equipment; parts and fittings for the aforementioned goods; valves including hydraulic valves and actuated valves; filtering materials and filtering media including such materials in the form of plastic tube matrix