Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection - Wisconsin Pollutant Discharge Elimination System › Chapter NR 283 - Plastics molding and forming › Subchapter I - General Provisions › Section NR 283.02 - General definitions

Current through June 24, 2024
In addition to the definitions set forth in ch. NR 205 and
					 s.
					 NR
					 211.03, the following definitions apply to this
					 chapter:
(1) "Average process water
				  usage flow rate" means the volume of process water used per year by a plastics
				  molding and forming process divided by the number of days per year the process
				  operates, expressed in liters per day. The average process water usage flow
				  rate for a plant with more than one wastewater source in a subcategory is the
				  sum of the average process water usage flow rates for each source in that
				  subcategory.
(2) "Cleaning water"
				  means process water used to clean the surface of an intermediate or final
				  plastic product or to clean the surfaces of equipment used in plastics molding
				  and forming that contact an intermediate or final plastic product. It includes
				  water used in both the detergent wash and rinse cycles of a cleaning
				  process.
(3) "Contact cooling and
				  heating water" means process water that contacts the raw material or plastic
				  product for the purpose of heat transfer during the plastics molding and
				  forming process.
(4) "Crude
				  intermediate plastic material" means plastic material formulated in an on-site
				  polymerization process.
(5)
				  "Existing source" means any point source, except a new source as defined in
				  sub. (9), from which pollutants may be discharged either directly into the
				  waters of the state or into a POTW.
(6) "Finishing water" means process water
				  used to remove waste plastic material generated during a finishing process or
				  to lubricate a plastic product during a finishing process. It includes but is
				  not limited to water used to machine or to assemble intermediate or final
				  plastic products.
(7) "Mass of
				  pollutant that can be discharged" means the pollutant mass calculated by
				  multiplying the pollutant concentration times the average process water usage
				  flow rate.
(8) "NSPS" means new
				  source performance standards.
(9)
				  "New source", as defined for NSPS and PSNS, means any point source from which
				  pollutants may be discharged either directly into the waters of the state or
				  into a POTW, the construction of which commenced after February 15,
				  1984.
(10) "PSES" means
				  pretreatment standards for existing sources.
(11) "PSNS" means pretreatment standards for
				  new sources.
(12) "Plastic
				  material" means a synthetic organic polymer, including but not limited to a
				  thermoset polymer, a thermoplastic polymer, or a combination of a natural
				  polymer and a thermoset or thermoplastic polymer, that is solid in its final
				  form and was shaped by flow. The material can be either a homogeneous polymer
				  or a polymer combined with fillers, plasticizers, pigments, stabilizers, or
				  other additives.
(13) "Plastics
				  molding and forming" means a manufacturing process in which plastic materials
				  are blended, molded, formed, or otherwise processed into intermediate or final
				  products.
(14) "Process water"
				  means any raw, service, recycled, or reused water that contacts the plastic
				  product or contacts shaping equipment surfaces, including but not limited to
				  molds and mandrels, that come in contact with the plastic product.
(15) "Volume of process water used per year"
				  means the volume of process water that flows through a plastics molding and
				  forming process over a period of one year.