In this chapter, the following terms have the meanings indicated. Terms Defined. “Administration” means the Maryland Water Quality Financing Administration. “Biological nutrient removal” has the meaning stated in Environment Article, §9-1601, Annotated Code of Maryland. “Department” means the Maryland Department of the Environment. “Eligible cost” has the meaning stated in Environment Article, §9-1605.2, Annotated Code of Maryland. “Enhanced nutrient removal” or “ENR” has the meaning stated in Environment Article, §9-1601, Annotated Code of Maryland. “Local government” has the meaning stated in Environment Article, §9-1601, Annotated Code of Maryland. “Low-income homeowner” means a household with an income less than the income eligible standards established by the Maryland Department of Human Services for its Energy Assistance Program. “Nonconforming onsite sewage disposal systems” means existing onsite sewage disposal systems that do not comply with current State or local laws, regulations, or policies. “Onsite Sewage Disposal System” means a sewage system that discharges treated effluent into the ground, such as a septic system. “Person” has the meaning stated in Environment Article, §1-101, Annotated Code of Maryland. “Seller” means any person or local government entering into a contract to sell nutrient or sediment load reductions to the Department in accordance with Regulation .03F of this chapter. “Septic equivalent dwelling unit” means a measure determined based on the average daily flow of a septic system as follows: A household septic or any other septic system with average daily flow of 195 gallons per day or less is considered one septic equivalent dwelling unit; or For a larger septic system, septic equivalent dwelling units are determined by the average daily flow of the system divided by 195 gallons per day.