Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 254 - Iron and steel manufacturing › Section NR 254.002 - General definitions

Current through June 24, 2024
The following definitions are applicable to the terms used in
				  this chapter. Definitions of other terms and abbreviations are set forth in ss.
				  NR
				  205.03,
				  205.04, and
				  211.03.
(1) "Ammonia-N" means the value obtained by
				manual distillation at pH 9.5 followed by the Nesslerization method set forth
				in ch. NR 219, table B, for parameter 4.
(2) "Benzene" means the value obtained by the
				standard method 602 as set forth in 44 FR 69464 to 69570 (December 3,
				1979).
(3) "Benzo(a)pyrene" means
				the value obtained by the standard method 610 as set forth in 44 FR 69464 to
				69570 (December 3, 1979).
(4)
				"Chromium" means total chromium as determined by the method set forth in ch. NR
				219, table B, for parameter 19.
(5)
				"Copper" means total copper as determined by the method set forth in ch. NR
				219, table B, for parameter 22.
(6)
				"Cyanide" means total cyanide as determined by the method set forth in ch. NR
				219, table B, for parameter 23.
(7)
				"Existing source" means any point source, except a new source as defined in
				sub. (11), from which pollutants may be discharged either into the waters of
				the state or into a publicly owned treatment works.
(8) "Hexavalent chromium" means the value
				obtained by the method set forth in ch. NR 219, table B, for parameter
				18.
(9) "Lead" means total lead as
				determined by the method set forth in ch. NR 219, table B, for parameter
				32.
(10) "Naphthalene" means the
				value obtained by standard method 610 as set forth in 44 FR 69464 to 69571
				(December 3, 1979).
(11) "New
				source", as defined for new source performance standards and pretreatment
				standards for new sources, means any point source for which construction
				commenced after January 7, 1981 and from which pollutants are or may be
				discharged directly to the waters of the state or to a publicly owned treatment
				works.
(12) "Nickel" means total
				nickel as determined by the method set forth in ch. NR 219, table B, for
				parameter 37.
(13) "O&G" means
				the value for oil and grease obtained by the method set forth in ch. NR 219,
				table B, for parameter 41.
(14)
				"pH" means the value obtained by the method set forth in ch. NR 219, table B,
				for parameter 28.
(15) "Phenols
				(4AAP)" means the value obtained by the method set forth in ch. NR 219, table
				B, for parameter 48.
(16)
				"Tetrachloroethylene" means the value obtained by standard method 610 as set
				forth in 44 FR 69464 to 69571 (December 3, 1979).
(17) "TRC" means total residual chlorine,
				which is the value obtained by iodometric titration using an amperometric
				endpoint method, as set forth in ch. NR 219, table B, for parameter
				17.
(18) "TSS" means the value
				obtained for total suspended solids by the method set forth in ch. NR 219,
				table B, for parameter 55.
(19)
				"Zinc" means total zinc as determined by the method set forth in ch. NR 219,
				table B, for parameter 75.