(a)In this part the following words have the meanings indicated.
(b)(1) “Industrial user” means:
(i)A person who is engaged in manufacturing, fabricating, or assembling goods; or
(ii)A member of any class of significant producers of pollutants identified under regulations adopted by:
1. The Secretary; or
2. The Administrator of the U.S. Environmental Protection Agency.
(2)“Industrial user” does not include the federal, State, and local governments.
(c)“PFAS chemicals” means a class of fluorinated organic chemicals that contain at least one fully fluorinated carbon atom, including perfluoroalkyl and polyfluoroalkyl substances.
(d)“Pretreatment permit” means a document iss
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(a) In this part the following words have the meanings indicated.
(b) (1) “Industrial user” means:
(i) A person who is engaged in manufacturing, fabricating, or assembling goods; or
(ii) A member of any class of significant producers of pollutants identified under regulations adopted by:
1. The Secretary; or
2. The Administrator of the U.S. Environmental Protection Agency.
(2) “Industrial user” does not include the federal, State, and local governments.
(c) “PFAS chemicals” means a class of fluorinated organic chemicals that contain at least one fully fluorinated carbon atom, including perfluoroalkyl and polyfluoroalkyl substances.
(d) “Pretreatment permit” means a document issued by the Department or the Department’s designee that authorizes a significant industrial user to introduce industrial wastes into a publicly owned treatment works in compliance with the pretreatment requirements under COMAR 26.08.01.01B(69).
(e) (1) “Significant industrial user” means an industrial user that:
(i) Is subject to categorical pretreatment standards under 40 C.F.R. Part 403.6;
(ii) Discharges an average of 25,000 gallons per day or more of processed wastewater to a publicly owned treatment works, not including sanitary, noncontact cooling, and boiler blowdown wastewater;
(iii) Contributes processed wastewater that makes up 5% or more of the average dry–weather hydraulic or organic capacity of the publicly owned treatment works; or
(iv) Is designated as a significant industrial user by the publicly owned treatment works on the basis that the industrial user has:
1. A reasonable potential for adversely affecting the wastewater treatment plant’s operations and sewer system; or
2. Violated a pretreatment standard or requirement.
(2) “Significant industrial user” does not include the federal, State, and local governments.
(f) “Waters of the State” includes:
(1) Both surface and underground waters within the boundaries of the State subject to its jurisdiction;
(2) That portion of the Atlantic Ocean within the boundaries of the State;
(3) The Chesapeake Bay and its tributaries;
(4) All ponds, lakes, rivers, streams, public ditches, tax ditches, and public drainage systems within the State, other than those designed and used to collect, convey, or dispose of sanitary sewage; and
(5) The floodplain of free–flowing waters determined by the Department on the basis of the 100–year flood frequency.