“BMP” or “best management practices” means schedules of activities, prohibitions of practices, maintenance procedures and other management practices to implement the prohibitions listed in LMC 14.60.300 and 14.60.3015 (CFR 403.5(a)(1) and (b)). BMPs include treatment requirements, operating procedures, and practices to control plant site runoff, spillage or leaks, sludge or waste disposal or drainage from raw materials storage.

“BOD” (denoting “biochemical oxygen demand”) means the quantity of oxygen utilized in the biological oxidation of organic matter under standard laboratory procedures (as described in the American Public Health Association Publication, Standard Methods for the Examination of Water and Wastewaters, current edition, or Guidelines Establishing Test Procedures for the Analysis of Pollutants, contained in 40 CFR 136) in five days at temperature of 20 degrees centigrade, expressed in milligrams per liter.

“Building drain” means that part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to the building sewer.

“Building sewer” (also “side sewer”) means the extension from the building drain, beginning two feet outside the foundation wall, to the public sewer or other place of disposal.

“Bypass” means the intentional diversion of waste streams from any portion of an industrial user’s treatment facility. (Ord. 3220 § 1, 2016; Ord. 2742 § 1, 2008; Ord. 1831 § 1, 1991; Ord. 1706, 1989)