Unless a provision explicitly states otherwise, the following terms and phrases, as used in this chapter, shall have the meanings hereinafter designated.
ACT, THE ACT, CLEAN WATER ACT, OR FEDERAL ACT: | The Federal Water Pollution Control Act, also known as the Clean Water Act, as amended, 33 USC § 1251 et seq. |
AGENCY: | The Illinois Environmental Protection Agency. |
AMALGAM PROCESS WASTEWATER: | Any wastewater generated and discharged by a dental discharger through the practice of dentistry that may contain dental amalgam. |
AMALGAM SEPARATOR: | A collection device designed to capture and remove dental amalgam from the amalgam process wastewater of a dental facility. |
APPROVAL AUTHORITY: | The Regional Administrator of Region V of the USEPA, until such time that the State of Illinois has a USEPA approved pretreatment program. |
AUTHORIZED REPRESENTATIVE OF THE USER: | A. If the user is a corporation, by a responsible corporate officer: 1. The president, secretary, treasurer, or a vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy or decision-making functions for the corporation; or 2. The manager of one or more manufacturing, production, or operation facilities provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiate and direct other comprehensive measures to assure long-term environmental compliance with environmental laws and regulations; can ensure that the necessary systems are established or actions taken to gather complete and accurate information for individual wastewater permit (or general permit) requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures. |
B. If the user is a partnership or sole proprietorship, a general partner or proprietor, respectively. C. If the user is a limited liability company (LLC), any managing member of the company. D. If the user is a federal, state, or local governmental facility, a director or highest official appointed or designated to oversee the operation and performance of the activities of the government facility, or their designee. E. The individuals described in subsections A, B, C and D of this definition may designate another duly authorized representative, if the authorization is in writing, the authorization specifies the individual or position responsible for the overall operation of the facility from which the discharge originates or having overall responsibility for environmental matters for the company, and the written authorization is submitted to the village of Antioch. F. If an authorization under subsection E of this definition is no longer accurate because a different individual or position has responsibility for the overall operation of the facility, or overall environmental matters for the company, a new authorization satisfying the requirements of subsection E must be submitted to the village of Antioch within thirty (30) days. If an authorization under subsection E of this section is no longer accurate because the individual described in subsections A, B, C and D of this definition has changed, a new authorization satisfying the requirements of subsection E must be submitted to the village of Antioch within thirty (30) days. | |
BEST MANAGEMENT PRACTICE (BMP): | The schedule of activities, prohibitions of practices, maintenance procedures, and other management practices to implement the prohibitions listed in section 8-2-5-2 (40 CFR Section 403.5(a)(1) and (b)) and/or prevent or reduce the pollution conveyed to the POTW. BMPs include treatment requirements, operating procedures, and practices to control plant site runoff, spillage or leaks, biosolids or waste disposal, or drainage from raw materials storage. |
BIOCHEMICAL OXYGEN DEMAND (BOD) or (BOD5): | The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures approved in 40 CFR 136 for five (5) days at twenty degrees Centigrade (20°C), usually expressed as a concentration (e.g., mg/l). |
BIOSOLIDS: | Refers to the stabilized organic solids removed from the POTW and disposed of on agricultural land or at a landfill. |
BUILDING DEPARTMENT: | A department of the village of Antioch community development department administered by the community development director and his designee(s). |
BUILDING DRAIN: | That part of the lowest piping of a drainage system which receives the discharge from waste, and other drainage pipes inside the walls of the building and conveys it to the building sewer or other approved point of discharge, beginning five feet (5' (1.5 m)) outside the inner face of the building wall. Discharge of stormwater runoff to the building drain is prohibited. |
BUILDING SEWER: | The extension from the building drain to the public sewer or other place of disposal. |
BYPASS: | The intentional diversion of waste streams from any portion of a user's treatment or pretreatment facility. |
CATEGORICAL INDUSTRIAL USER (CIU): | An industrial user subject to a categorical pretreatment standard or categorical standard. A CIU is considered to be a significant industrial user. |
CATEGORICAL PRETREATMENT STANDARD OR CATEGORICAL STANDARD: | Any regulation containing pollutant discharge limits promulgated by USEPA in accordance with Sections 307(b) and (c) of the Act (33 USC § 1317) which apply to a specific category of users and which appear in 40 CFR Chapter I, Subchapter N, Parts 405-471. |
CHEMICAL OXYGEN DEMAND (COD): | Chemical oxidization under standard laboratory procedures as described in 40 CFR 136 usually expressed as a concentration (e.g. mg/l). |
COMBINED SEWER: | A pipe or conduit that is designed and constructed to carry both polluted water, including sanitary sewage and non-domestic waste, and unpolluted water, including stormwater, surface water and ground water and cooling water. |
COMBINED WASTE STREAM FORMULA: | The formula set forth in 40 CFR Section 403.6(e). |
COMPOSITE SAMPLE: | A sample of wastewater composed of two (2) or more discrete samples collected, based on a flow-proportional or time-proportional method. |
CONTROL AUTHORITY: | The village of Antioch. |
COOLING WATER: | The water discharged from any use such as air conditioning, cooling or refrigeration, to which the only pollutant added is heat. |
DAILY MAXIMUM: | The maximum allowable discharge limit of a pollutant during a calendar day. Where daily maximum are expressed in terms of a concentration, the daily discharge is the arithmetic average measurement of the pollutant concentration derived from all measurements taken that day. Where daily maximum are expressed in units of mass, the daily discharge is the total mass discharged over the course of a day. |
DENTAL AMALGAM: | An alloy of elemental mercury and other metal(s) that is used in the practice of dentistry. |
DENTAL DISCHARGER: | A facility where the practice of dentistry is performed, including, but not limited to, institutions, permanent or temporary offices, clinics, home offices, and facilities owned and operated by federal, state or local governments, that discharges wastewater to a POTW. |
DIRECTOR OF PUBLIC WORKS: | The director of public works of the village of Antioch, or his authorized agent. |
DISCHARGE PERMIT: | Permit issued to a user which specifies the requirements for discharge of wastewater or the requirements for zero discharge of wastewater as appropriate. |
DISCHARGER: | Any person, firm establishment or institution that discharges wastewater, excluding inflow and infiltration, into the POTW from any non-domestic source regulated under Section 307(b), (c), or (d) of the Act and 35 Illinois Administrative Code (IAC) 307. |
DULY AUTHORIZED AGENT: | The mayor and board of trustees or the village administrator of the village of Antioch and designated employees and agents of the village. |
EASEMENT: | An acquired legal right for the specific use of land owned by others. |
EFFLUENT CRITERIA: | Those criteria defined in any applicable NPDES Permit. |
ENVIRONMENTAL PROTECTION AGENCY: | The U.S. Environmental Protection Agency or, where appropriate, the regional water management division director, the regional administrator, or other duly authorized official of said agency. |
EXISTING DENTAL DISCHARGER SOURCE: | A dental discharger that is not a new source. |
EXISTING SOURCE: | Any source of discharge that is not a new source. |
FATS, OIL, AND GREASE (FOG): | Is used interchangeably with oils and grease. |
FEDERAL GRANT: | The United States government participation in the financing of the construction of POTW as provided by Title II-Grants for Construction of Treatment Works of the Act and implementing regulations. |
FLOATABLE OIL: | Oil, fat or grease in a physical state such that it will separate by gravity from wastewater by treatment in an approved pretreatment facility. A wastewater shall be considered free of floatable fat if it is properly treated, and wastewater does not interfere with the collection system. |
FLOW: | Volume of wastewater per unit of time. |
FOOD SERVICE ESTABLISHMENT (FSE): | Any user engaged in the activities of manufacturing, preparing, serving, or otherwise making available for consumption foodstuffs that use one or more of the following preparation activities: blending, cooking by frying (all methods), baking (all methods), grilling, sautéing, rotisserie cooking, broiling (all methods), boiling, blanching, roasting, toasting, or poaching and infrared heating, searing, barbecuing, and any other food preparation or servicing activity that produces a consumable food product in or on a receptacle requiring washing to be reused. A limited food preparation establishment is not considered to be a FSE when only engaged in reheating, hot holding or assembly of ready to eat food products and as a result, there is no wastewater discharge containing significant amounts of oil and grease. |
GARBAGE: | Solid wastes from domestic and commercial preparation, cooking, and dispensing of food, and from the commercial handling, storage, and sale of produce. |
GRAB SAMPLE: | A sample which is taken from a wastestream on a one-time basis without regard to the flow in the wastestream and over a period of time not to exceed fifteen (15) minutes. |
HAULED WASTE: | Sanitary wastewater transported as a commercial venture. |
INDIRECT DISCHARGE OR DISCHARGE: | The introduction of pollutants into a POTW from any non-domestic source regulated under section 307(b), (c) or (d) of the Act. |
INDUSTRIAL USER: | An entity that causes an indirect discharge from a non-domestic source. |
INDUSTRIAL WASTE: | A combination of liquid and water carried wastes discharged, permitted to flow or escape from any industrial user, including the wastewater from pretreatment facilities and polluted cooling water. |
INSTANTANEOUS LIMIT: | The maximum concentration of a pollutant allowed to be discharged at any time, determined from the analysis of any discrete or composited sample collected, independent of the industrial flow rate and the duration of the sampling event. |
INTERFERENCE: | A discharge by any user which alone or in conjunction with discharges by other sources, both: (1) inhibits or disrupts the POTW, its treatment processes or operations, or its biosolids processes, use or disposal, and (2) therefore is a cause of a violation of any requirement of the POTW's NPDES permit (including an increase in the magnitude or duration of a violation) or of the prevention of wastewater or biosolids use or disposal by the POTW in accordance with the following statutory provisions and regulations or permits issued thereunder (or more stringent state or local regulations): section 405 of the Clean Water Act, the Solid Waste Disposal Act (SWDA) (including title II, more commonly referred to as the Resource Conservation and Recovery Act (RCRA) and including state regulations contained in any state biosolids management plan prepared pursuant to subtitle D or SWDA) the Clean Air Act, the Toxic Substance Control Act, and the Marine Protection Research and Sanctuaries Act. |
LIMITED DENTAL DISCHARGER SOURCE: | A dental discharger that does not place dental amalgam, and does not remove dental amalgam except in limited emergency or unplanned, unanticipated circumstances. A new limited dental discharge source means a limited dental discharger whose first discharge to a POTW occurs after July 14, 2017. An existing limited dental discharge source means a limited dental discharger that is not a new source. |
LOCAL LIMIT: | Specific discharge limits developed and enforced by the village upon non-residential users or facilities to implement the general and specific discharge prohibitions listed in 40 CFR Section 403.5(a)(1) and (b). |
MEDICAL WASTES: | Isolation wastes, infectious agents, human blood and blood products, pathological wastes, sharps, body parts, contaminated bedding, surgical wastes, potentially contaminated laboratory wastes, and dialysis wastes. |
MILLIGRAMS PER LITER: | A unit of the concentration of water or wastewater constituent representing 0.001 g of the constituent in 1,000 ml of water. |
MOBILE UNIT: | A specialized mobile self-contained van, trailer, or equipment used in providing dentistry services at multiple locations. |
MONTHLY AVERAGE: | The sum of all daily discharges measured during a calendar month divided by the number of daily discharges measured during that month. |
MONTHLY AVERAGE LIMIT: | The highest allowable average of daily discharges over a calendar month, calculated as a sum of all the daily discharges measured during a calendar month divided by the number of daily discharges measured during that month. |
NATIONAL CATEGORICAL PRETREATMENT STANDARD, CATEGORICAL PRETREATMENT STANDARD, OR CATEGORICAL STANDARD: | Any regulation containing pollutant discharge limits promulgated by USEPA in accordance with Sections 307(b) and (c) of the Act (33 USC § 1317) which apply to a specific category of users and which appear in 40 CFR Chapter I, Subchapter N, Parts 405-471. |
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM PERMIT (NPDES PERMIT): | A permit issued pursuant to Section 402 of the CWA. The village operates its POTW under NPDES Permit No. IL0020354. |
NATIONAL POLLUTANT DISCHARGE ELIMINATOR SYSTEM OR NPDES: | The national program for issuing, modifying, revoking and reissuing, terminating, monitoring and enforcing permits from point sources to waters of the United States, and imposing and enforcing pretreatment requirements, under section 402 of the CWA. |
NATURAL OUTLET: | Any outlet into a watercourse, pond, ditch, lake or other body of surface or ground water. |
NEW DENTAL DISCHARGER SOURCE: | A dental discharger whose first discharge to a POTW occurs after July 14, 2017. |
NEW SOURCE: | A. Any building, structure, facility, or installation from which there is (or may be) a discharge of pollutants, the construction of which commenced after the publication of proposed pretreatment standards under Section 307 (c) of the Act which will be applicable to such source if such standards are thereafter promulgated in accordance with that section, provided that one of the following is true: 1. The building, structure, facility, or installation is constructed at a site which no other source is located; 2. The building, structure, facility, or installation totally replaces the process or production equipment that causes the discharge of pollutants at an existing source; or 3. The production or wastewater generating processes of the building, structure, facility, or installations are substantially independent of an existing source at the same site. In determining whether these are substantially independent, factors such as the extent to which the new facility is integrated with the existing plant, and the extent to which the new facility is engaged in the same general type of activity as the existing source, should be considered. B. Construction on a site at which an existing source is located results in a modification rather than a new source if the construction does not create a new building, structure, facility, or installation meeting the criteria of subsection A2 or A3 of this definition but otherwise alters, replaces, or adds to existing process or production equipment. C. Construction of a new source as defined under this paragraph has commenced if the owner of operator has done one of the following: |
1. Begun, or caused one of the following to begin as part of a continuous onsite construction program: a. Any placement, assembly, or installation of facilities or equipment; or b. Significant site preparation work including, clearing, excavation, or removal of existing buildings, structures, or facilities which is necessary for the placement, assembly, or installation of new source facilities or equipment; or 2. Entered into a binding contractual obligation for the purchase of facilities or equipment which are intended to be used in its operation within a reasonable time. Options to purchase or contracts which can be terminated or modified without substantial loss, and contracts for feasibility, engineering, and design studies do not constitute a contractual obligation under this paragraph. D. New sources shall install and have in operating condition and shall "start-up" all pollution control equipment required to meet applicable pretreatment standards before beginning to discharge. Within the shortest feasible time (not to exceed ninety (90) days), new sources shall meet all applicable standards. | |
NONCONTACT COOLING WATER: | Water used for cooling which does not come into direct contact with any raw material, intermediate product, waste product, or finished product. |
NONRESIDENTIAL USER: | All users not defined residential users. |
NON-SIGNIFICANT REGULATED USER: | A non-residential user that meets the criteria outlined in subsection 8-2-7-2D5. |
OIL AND GREASE: | Any hydrocarbons, fatty acids, soaps, fats, waxes, oils and any other material that is extracted by a solvent in a method approved in 40 CFR 136. |
OVERHEAD SEWER: | A sewer that does not discharge to a public or private sewer main through the use of gravity. Overhead sewers utilize a pump to lift the sewage to an elevation where gravity can then carry away the wastewater. |
PASS THROUGH: | A discharge that exits the POTW into waters of the United States in quantities or concentrations, which alone or in conjunction with discharges from other sources, is a cause of a violation of any requirement of the POTW's NPDES permit (including an increase in the magnitude or duration of a violation). |
PERSON: | Any individual, partnership, co-partnership, firm, company, corporation, association, joint stock company, trust, estate, governmental entity, or any other legal entity; or their legal representatives, agents, or assigns. This definition includes all federal, state, and local governmental entities. |
pH: | A measure of the acidity or basicity of a solution, calculated by taking the logarithm of the reciprocal of the hydrogen ion concentration expressed in standard units. |
POLLUTANT: | Any dredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, wastewater biosolids, munitions, medical wastes, chemical wastes, biological materials, radioactive materials, heat, wrecked or discarded equipment, rock, sand, cellar dirt or industrial, municipal, and agricultural wastes and certain characteristics of wastewater (e.g., pH, temperature, TSS, turbidity, color, BOD, COD, toxicity, or odor). |
POPULATION EQUIVALENT: | A term used to evaluate the impact of industrial or other waste on a treatment works or stream. One population equivalent is one hundred (100) gallons (380 liters) of sewage per day, containing 0.17 pounds (77 g) of BOD5 (five-day biochemical oxygen demand), 0.20 pounds (91 g) of total suspended solids and 0.021 (10 g) of phosphorus. The impact on a treatment works is evaluated or defined as the highest population equivalent of the four (4) parameters. |
POTENTIAL PROBLEM: | Any discharge which alone or in combination with discharges from other sources inhibits or disrupts the POTW or any of its processes or operations including plant emissions or any conditions which create public nuisance, causing the POTW to expend additional resources or manpower or take additional steps to protect the POTW processes or receiving stream.
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PPM: | Parts per million. |
PRETREATMENT: | The reduction of the amount of pollutants, the elimination of pollutants, or the alteration of the nature of pollutant properties in wastewater to a less harmful state prior to, or in lieu of, discharging or otherwise introducing such Pollutants into the POTW. This reduction or alteration can be obtained by physical, chemical, or biological processes; by process changes; or by other means, except by diluting the concentrations of the pollutants unless allowed by an applicable pretreatment standard. |
PRETREATMENT COORDINATOR: | The wastewater supervisor of the village of Antioch or his designee. |
PRETREATMENT REQUIREMENTS: | Any substantive or procedural requirement related to pretreatment, other than a pretreatment standard, imposed on an industrial user. |
PRETREATMENT STANDARDS OR STANDARD: | Means that for any specified pollutant, village prohibitive discharge standards as set forth in section 8-2-5-2, village specific limitations on discharge as set forth in section 8-2-5-5, State of Illinois pretreatment standards in Illinois Administrative Code section 307, or the national categorical pretreatment standards. |
PROPERLY SHREDDED GARBAGE: | The wastes from the preparation, cooking and dispensing of food that have been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one half inch (1.27 centimeters) in any dimension. |
PUBLIC SEWER: | A sewer provided by or subject to the jurisdiction of the village. It shall also include sewers within or outside the village limits that serve one or more persons and, ultimately discharge into the village sanitary sewer system, even though those sewers may not have been constructed with village funds. |
PUBLICLY OWNED TREATMENT WORKS (POTW): | The "treatment works", as defined by Section 212 of the Act, owned by the village and any devices and systems used in the collection, conveyance, storage, treatment, recycling or reclamation of municipal sewage or industrial wastes of a liquid nature that are connected to the village POTW regardless of ownership, but does not include sewers, pipes, and other conveyances not connected to the village POTW treatment plant. |
RESIDENTIAL SOURCE OR RESIDENTIAL USER: | Any single family or multi-family dwelling unit designed primarily as a place of human habitation which discharges to the village's system domestic wastewater only. |
SANITARY SEWER: | A pipe of conduit designed and/or intended to carry wastewater from residences, commercial buildings, industrial plants and institutions, and to which stormwater, surface water, ground water and unpolluted non-contact cooling water are not intentionally admitted. |
SANITARY WASTEWATER: | See definition of wastewater. |
SEPTIC TANK WASTE: | Any sewage from holding tanks such as vessels, chemical toilets, campers, trailers, and septic tanks. |
SEWAGE: | Human excrement and gray water (household showers, dishwashing operations, etc.). |
SEWER: | A pipe or conduit for conveying sewage or any other waste liquids, including storm, surface and, ground water drainage. |
SEWERAGE: | The system of sewers and appurtenances for the collection, transportation and pumping of sewage. |
SHALL/MAY: | "Shall" is mandatory; "May" is permissive. |
SIGNIFICANT INDUSTRIAL USER: | Any industrial user of the POTW who is: A. Is subject to any national categorical pretreatment standards; or B. A user that: 1. Has an average process wastewater discharge flow of twenty five thousand (25,000) gallons (excluding sanitary, non-contact cooling and boiler blow-down wastewater) or more per work day; 2. Has a discharge flow of process wastewater that makes up five percent (5%) or more of the average dry weather hydraulic or organic capacity of the POTW treatment plant; or 3. Is designated as such by the village on the basis that the industrial user has a reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement. |
C. The village may determine that a user subject to categorical pretreatment standards is a non-significant categorical industrial user (NSCIU) rather than a significant industrial user on a finding that the user never discharges more than one hundred (100) gallons per day (gpd) of total categorical wastewater (excluding sanitary, non-contact cooling and boiler blowdown wastewater, unless specifically included in the pretreatment standard) and the following conditions are met: 1. The user, prior to the village's finding, has consistently complied with all applicable categorical pretreatment standards and requirements; 2. The user annually submits the certification statement required in subsection 8-2-9-3C (see 40 CFR Section 403.12(q)), together with any additional information necessary to support the certification statement; and 3. The user never discharges any untreated concentrated wastewater. | |
D. Upon a finding that a user meeting the criteria in subsection B of this part has no reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement, the village may at any time, on its own initiative or in response to a petition received from a user, determine that such user should not be considered a significant industrial user in accordance with 40 CFR Section 403.8(f)(6). | |
SLUDGE: | See definition of bio-solids. |
SLUG OR SLUG LOAD: | Any discharge of water or wastewater which is non-routine, episodic nature, including but not limited to an accidental spill or a non-customary batch discharge or any discharge of flow rate or concentration, which has a reasonable potential to cause Interference or pass through or in any other way violate the POTW's regulations, local limits or permit conditions that could cause a violation of the prohibited discharge standards in section 8-2-5-2 of this chapter. |
STORM SEWER: | A sewer that carries rain water, snow melt and surface drainage but excludes sewage and industrial wastes other than unpolluted cooling water. |
STORMWATER: | Any flow occurring during or following any form of natural precipitation including snow melt. |
TAP: | The connection to the sewer main through the use of a factory "wye" or "tee", a saddle connection, an Inserta tee©, or other plumber connection (i.e. hammer tap). |
TOTAL SUSPENDED SOLIDS (TSS): | Total suspended matter, expressed in milligrams per liter, that either floats on the surface of, or is in suspension in water, wastewater or other liquids and is removable by laboratory filtration, under standard laboratory procedures approved in 40 CFR 136. |
TOTAL TOXIC ORGANICS: | The summation of all quantifiable values greater than 0.01 mg/l for the toxic organics specified in the applicable regulation. |
UNPOLLUTED WATER: | Water quality equal to or better than the effluent criteria in effect or water that would not cause violation of receiving water quality standards and would not be benefitted by discharge to the sanitary sewers and POTW provided. |
UPSET: | An exceptional incident in which there is unintentional and temporary noncompliance with pretreatment standards because of factors beyond the reasonable control of the industrial user. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive maintenance, or careless or improper operation. |
USER: | Any person or source that contributes, causes or allows the contribution of wastewater into the POTW. It may also include such persons or sources that are prohibited from discharging specific pollutants or waste streams to the POTW. |
VILLAGE: | The village of Antioch and any reference to "within the village" shall mean all territory within the corporate limits of the village or wastewater service area. |
VILLAGE BUSINESS DAY: | Any full day that the village administrative offices are open. |
VILLAGE ENGINEER: | An individual or corporation designated by the village that holds a professional engineering license. |
WASTEWATER: | The combination of the liquid and water carried wastes from residences, commercial buildings, industrial and manufacturing plants and institutions, whether treated or untreated including which are contributed to the POTW. A. Sanitary wastewater means the combination of liquid and water carried wastes discharged from toilets and other sanitary plumbing facilities. B. Industrial wastewater means a combination of liquid and water carried wastes discharged from any non-residential user, including the wastewater from pretreatment facilities and polluted cooling water. |
WASTEWATER DISCHARGE PERMIT: | |
WATER QUALITY STANDARDS: | Those standards defined in the Water Pollution Regulations of Illinois, Title 35, Subtitle C, Chapter I. |
WATERS OF THE STATE OF ILLINOIS: | All streams, lakes, ponds, marshes, water courses, waterways, wells, springs, reservoirs, aquifers, irrigation systems, drainage systems and all other bodies or accumulations of water, surface or underground, natural or artificial, public or private, which are contained within, flow through, or border upon the State of Illinois or any portion thereof. |
WORK DAY: | A day on which work or service is performed by an industry. (Ord. 20-08-25, 8-10-2020) |