NR 284.03NR 284.03 Definitions. The following definitions are applicable to terms used in this chapter. Definitions of other terms and meanings of abbreviations are set forth in chs. NR 205 and 211, and the Development Document for Effluent Limitations Guidelines and Standards for the Pulp, Paper and Paperboard and the Builders’ Paper and Board Mills Point Source Categories, EPA 440/1-82/025, October, 1982.

NR 284.03 NoteNote: Copies of this document are available for inspection at the office of the department of natural resources, the secretary of state’s office, and the office of the legislative reference bureau, and may be obtained for personal use from the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20460.

NR 284.03(1)(1) “Acid sulfite cooking liquor” means sulfite cooking liquor having a pH less than 3.0.

NR 284.03(2)(2) “BCT bleached kraft subcategory” includes those mills at which bleached kraft pulp is produced in a full cook process employing a highly alkaline sodium hydroxide and sodium sulfide cooking liquor.

NR 284.03 NoteNote: Principal products include paperboard (B), coarse papers (C), tissue papers (T) and market pulp.

NR 284.03(3)(3) “Bisulfite cooking liquor” means sulfite cooking liquor having a pH between 3.0 and 6.0.

NR 284.03(4)(4) “Builders’ paper and roofing felt subcategory” includes those mills at which heavy papers used in the construction industry are produced from wastepaper, wood flour and sawdust, wood chips, and rags. Neither bleaching nor chemical pulping processes are employed on-site.

NR 284.03 NoteNote: Principal products include saturating, deadening, and flooring papers, and roofing felt.

NR 284.03(5)(5) “Corrugating medium furnish subdivision” includes those mills in the paperboard from wastepaper subcategory where only recycled corrugating medium is used in the production of paperboard.

NR 284.03(6)(6) “Cotton fiber furnish subdivision” includes those mills in the nonintegrated-fine papers subcategory which produce a paper product containing equal to or greater than 4% cotton fibers.

NR 284.03(7)(7) “Deink subcategory” includes those mills at which brightened or bleached deinked pulp is produced from wastepapers using an alkaline process to remove contaminants such as ink and coating pigments.

NR 284.03 NoteNote: Principal products include fine papers such as printing, writing and business papers, tissue papers, newsprint and market pulp.

NR 284.03(8)(8) “Dissolving kraft subcategory” includes those mills at which a highly bleached pulp is produced by a full cook process employing a highly alkaline sodium hydroxide and sodium sulfide cooking liquor. Included in the manufacturing process is a precook operation termed prehydrolysis.

NR 284.03 NoteNote: The principal product at these mills is a highly bleached and purified dissolving pulp used principally for manufacture of rayon and other products requiring the virtual absence of lignin and a very high alpha cellulose content.

NR 284.03(9)(9) “Dissolving sulfite pulp subcategory” includes those mills at which a highly bleached pulp is produced in a full cook process employing strong solutions of sulfites of calcium, magnesium, ammonia or sodium.

NR 284.03 NoteNote: Principal products include viscose, nitration, cellophane or acetate grade pulps which are used principally for the manufacture of rayon and other products that require the virtual absence of lignin.

NR 284.03(10)(10) “Fine bleached kraft subcategory” includes those mills at which bleached kraft pulp is produced in a full cook process employing a highly alkaline sodium hydroxide and sodium sulfide cooking liquor.