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2. Do you operate either a Trickling Filter or Rotating Biological Contactor facility (RBC) with a permitted daily average flow of 100,000 gallons per day or greater?

A tricking filter or RBC facility is a facility that uses secondary aerobic biological processes for treatment of sewage. Check Yes or No
2. Do you operate either a Trickling Filter or Rotating Biological Contactor facility (RBC) with a permitted daily average flow of 100,000 gallons per day or greater?   A tricking filter or RBC facility is a facility that uses secondary aerobic biological processes for treatment of sewage. Check Yes or No