Register April 2018 No. 748
Chapter NR 247
GLASS MANUFACTURING
NR 247.01   Purpose.
NR 247.02   Applicability.
NR 247.03   Definitions.
NR 247.04   Compliance with effluent limitations and standards.
NR 247.06   Application of effluent limitations and standards.
NR 247.10   Effluent limitations, best practicable treatment.
NR 247.11   Effluent limitations, best available treatment.
NR 247.12   Standards of performance.
NR 247.13   Pretreatment standards.
NR 247.01 NR 247.01Purpose. The purpose of this chapter is to establish effluent limitations, standards of performance, and pretreatment standards for discharges of process wastes from the glass manufacturing category of point sources and subcategories thereof.
NR 247.01 Note Note: The authority for promulgation of this chapter is set forth in ch. NR 205.
NR 247.01 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76.
NR 247.02 NR 247.02Applicability. The effluent limitations, standards of performance, pretreatment standards, and other provisions in this chapter are applicable to pollutants or pollutant properties in discharges of process waste resulting from manufacture in any of the following subcategories.
NR 247.02(1) (1)Insulation fiberglass. This subcategory covers the manufacture of insulation fiberglass by continuously fiberizing molten glass and chemically bonding it into a wool like material.
NR 247.02(2) (2)Sheet glass. This subcategory covers the manufacture of sheet glass by mixing several mineral ingredients, melting the mixture in a furnace, and drawing the sheet vertically from a melting tank.
NR 247.02(3) (3)Rolled glass. This subcategory covers the manufacture of rolled glass by mixing several mineral ingredients, melting the mixture in a furnace, and cooling the melt with rollers.
NR 247.02(4) (4)Plate glass. This subcategory covers the manufacture of plate glass by mixing several mineral ingredients, melting the mixture in a furnace, pressing the melt between rollers, and grinding and polishing the surface.
NR 247.02(5) (5)Float glass. This subcategory covers the manufacture of float glass by mixing several mineral ingredients, melting the mixture in a furnace, and floating the melt on a molten tin oath.
NR 247.02(6) (6)Automotive glass tempering. This subcategory covers the processes in which glass is cut, the cut edges are ground and polished, and the glass is then bent and tempered to form automobile side and back windows.
NR 247.02(7) (7)Automotive glass laminating. This subcategory covers the processes in which glass is cut, bent, washed, and plastic sheet laminated to produce automobile windshields.
NR 247.02(8) (8)Glass container manufacturing. This subcategory covers the process in which raw materials are melted in a furnace and mechanically processed into glass containers.
NR 247.02(9) (9)Machine pressed and blown glass. (This subcategory is reserved.)
NR 247.02(10) (10)Glass tubing manufacturing. This subcategory covers the process in which raw materials are melted in a furnace and glass tubing is mechanically drawn horizontally from the furnace by the Danner process which requires intermittent cullet quenching.
NR 247.02(11) (11)Television picture tube envelope manufacturing. This subcategory covers the process in which raw materials are melted in a furnace and made into television picture tube envelopes.
NR 247.02(12) (12)Incandescent lamp envelope manufacturing. This subcategory covers the process in which;
NR 247.02(12)(a) (a) Raw materials are melted in a furnace and mechanically processed into incandescent lamp envelopes, or
NR 247.02(12)(b) (b) Such envelopes are made and then etched with hydrofluoric acid to produce frosted envelopes.
NR 247.02(13) (13)Hand pressed and blown glass manufacturing. This subcategory covers the process in which raw materials are melted in a furnace and hand pressed or blown to produce glassware. The subcategory is further subdivided to cover:
NR 247.02(13)(a) (a) The production of leaded glass using hydrofluoric acid finishing techniques,
NR 247.02(13)(b) (b) The production of non-leaded glass using hydrofluoric acid finishing techniques, and
NR 247.02(13)(c) (c) The production of leaded or non-leaded glass without the use of hydrofluoric acid finishing techniques.
NR 247.02 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76.
NR 247.03 NR 247.03Definitions. The following definitions are applicable to terms used in this chapter. Definitions of other terms and meanings of abbreviations are set forth in ch. NR 205.
NR 247.03(1) (1) “Advanced air emission control devices” means air pollution control equipment such as electrostatic precipitators and high energy scrubbers used to treat air discharge after initial treatment such as by knock-out chambers and low energy scrubbers.
NR 247.03(2) (2) “Cullet” means broken or excess glass generated in the process.
NR 247.03(3) (3) “Cullet water” means water which is exclusively and directly applied to molten glass to solidify the glass.
NR 247.03(4) (4) “Furnace pull” means the amount of glass drawn from the glass furnaces.
NR 247.03(5) (5) “Mineral ingredients” means sand, soda ash, limestone, dolomite, cullet and other ingredients.
NR 247.03(6) (6) “NL” means that there are no applicable limitations.
NR 247.03(7) (7) “Oil” means those components of wastewater amenable to measurement by method number 209 of Standard Methods for the Examination of Water and Waste Water, 13th Edition, 1971. Copies of this publication 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 American Public Health Association, 1015 8th Street NW, Washington, D. C. 20036.
NR 247.03(8) (8) “Product frosted” means that portion of the total furnace pull for the manufacture of incandescent lamp envelopes used in the manufacture of frosted envelopes.
NR 247.03(9) (9) “Tempering” means the process in which glass is heated nearly to the melting point and then rapidly cooled to improve its mechanical and thermal endurance.
NR 247.03 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76; correction in (7) made under s. 13.92 (4) (b) 6., Stats., Register April 2013 No. 688.
NR 247.04 NR 247.04Compliance with effluent limitations and standards. Discharge of pollutants from facilities subject to the provisions of this chapter may not exceed, as appropriate:
NR 247.04(1) (1) By July 1, 1977 effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available;
NR 247.04(2) (2) By July 1, 1983 effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable;
NR 247.04(3) (3) Pretreatment standards for discharges to publicly owned treatment works;
NR 247.04(4) (4) Standards of performance for new sources.
NR 247.04 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76; r. and recr. Register, August, 1983, No. 332, eff. 9-1-83.
NR 247.06 NR 247.06Application of effluent limitations and standards.
NR 247.06(1)(1) The effluent limitations and standards set forth in this chapter shall be used in accordance with this section to establish the quantity or quality of pollutants or pollutant properties which may be discharged by a point source subject to the provisions of this chapter, except as;
NR 247.06(1)(a) (a) They may be modified in accordance with subch. IV of ch. NR 220,
NR 247.06(1)(b) (b) They may be superseded by more stringent limitations and standards necessary to achieve water quality standards or meet other legal requirements, or
NR 247.06(1)(c) (c) They may be supplemented or superseded by standards or prohibitions for toxic pollutants or by additional limitations for other pollutants required to achieve water quality.
NR 247.06(2) (2) The production basis for application of the limitations and standards set forth in this chapter shall be the daily average of a maximum month in each subcategory subject to the provisions of this chapter.
NR 247.06 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76; correction in (1) (a) made under s. 13.92 (4) (b) 7, Stats., Register April 2018 No. 748.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.