8-7-1: GENERAL PROVISIONS; DEFINITIONS:
   A.   Purpose And Policy: This chapter sets forth uniform requirements for users of the publicly owned treatment works which is operated by the city of West Chicago, and which receives wastewater flows from the village of Winfield's wastewater collection system:
      1.   To prevent the introduction of pollutants into the publicly owned treatment works that will interfere with its operation;
      2.   To prevent the introduction of pollutants into the publicly owned treatment works that will pass through the publicly owned treatment works, inadequately treated, into receiving waters, or otherwise be incompatible with the publicly owned treatment works;
      3.   To protect both publicly owned treatment works personnel who may be affected by wastewater and sludge in the course of their employment and the general public;
      4.   To promote reuse and recycling of industrial wastewater and sludge from the publicly owned treatment works;
      5.   To provide for fees for the equitable distribution of the cost of operation, maintenance, and improvement of the publicly owned treatment works; and
      6.   To enable the village of Winfield to comply with its national pollutant discharge elimination system permit conditions, sludge use and disposal requirements, and any other federal or state laws to which the publicly owned treatment works is subject.
This chapter shall apply to all users of the publicly owned treatment works. This chapter authorizes the issuance of wastewater discharge permits, provides for monitoring, compliance, and enforcement activities, establishes administrative review procedures, requires user reporting, and provides for the setting of fees for the equitable distribution of costs resulting from the program established herein.
   B.   Administration: Except as otherwise provided herein, the public works superintendent shall administer, implement, and enforce the provisions of this chapter. Any powers granted to or duties imposed upon the public works superintendent may be delegated by the public works superintendent to other village personnel.
   C.   Abbreviations: The following abbreviations, when used in this chapter, shall have the designated meanings:
BOD
Biochemical oxygen demand
CFR
Code of federal regulations
COD
Chemical oxygen demand
FOG
Fats, oil and grease
IEPA
Illinois environmental protection agency
mg/l
Milligrams per liter
NCPS
National categorical pretreatment standards
NPDES
National pollutant discharge elimination system
POTW
Publicly owned treatment works
PSES
Pretreatment standards for existing sources
PSNS
Pretreatment standards for new sources
RCRA
Resource conservation and recovery act
SIC
Standard industrial classification
SWDA
Solid waste disposal act (42 USC 6901 et seq.)
TSS
Total suspended solids
TTO
Total toxic organics
USC
United States Code
USEPA
United States environmental protection agency (or its successor agencies)
 
   D.   Definitions: For the purposes of this chapter, the following words shall have the meanings indicated, unless their context requires otherwise:
    A (As In Cyanide-A): Amenable to alkaline chlorination.
ACT: The federal water pollution control act, also known as the clean water act, as amended (33 USC 1251 et seq.).
ADMINISTRATOR: The administrator of the U.S. environmental protection agency (or its successor agencies).
AMMONIA: The concentration of ammonia-nitrogen in milligrams per liter.
APPROVING AUTHORITY: The president and board of trustees of the village of Winfield, acting by and through their duly authorized agents.
AUTHORIZED REPRESENTATIVE OF INDUSTRIAL USER: 1. A principal executive officer of at least the level of vice president, if the industrial user is a corporation;
      2.   A general partner or proprietor if the industrial user is a partnership or proprietorship, respectively;
      3.   A duly authorized representative only if the authorization is made in writing to the village by a person described above.
AVERAGE STRENGTH SEWAGE: Sewage with characteristics not exceeding a five (5) day twenty degree Celsius (20°C) biochemical oxygen demand of two hundred milligrams per liter (200 mg/l); a suspended solids content of two hundred twenty milligrams per liter (220 mg/l), an ammonia-nitrogen content of fifteen milligrams per liter (15 mg/l) based on one hundred (100) gpcpd, and a pH range of 6.5 to 7.5.
BIOCHEMICAL OXYGEN DEMAND (BOD): The quantity of oxygen, expressed in milligrams per liter, utilized in the biochemical oxidation of organic matter under standard laboratory procedures as described in standard methods.
BUILDING DRAIN: That part of the lowest horizontal piping of a drainage system which receives the discharge from soil, 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.
BUILDING DRAINAGE SEWER: A sewer which carries storm drainage, surface water, foundation drainage, and roof drainage, but excludes sewage and industrial waste from the building plumbing to a public storm sewer or natural outlet.
BUILDING INSPECTOR: The superintendent of building inspection/zoning administration of the village or his authorized deputy, agent or representative.
BUILDING SANITARY SEWER: A sewer which carries only sewage and industrial wastes from the building to the public sanitary sewer.
CHEMICAL OXYGEN DEMAND (COD): The quantity of oxygen consumed from a chemical oxidant (standard potassium dichromate solution) under standard laboratory procedures as described in standard methods.
CITY: The city of West Chicago.
CITY ENGINEER: The city engineer/director of public works or his authorized representative.
COMBINED SEWER: A sewer which is designed and intended to receive wastewater, storm, surface and ground water drainage.
COMBINED WASTE STREAM FORMULA: The formula as found in 40 CFR section 403.6(e).
COMMERCIAL USER: Shall include transit lodging, retail and wholesale establishments or places engaged in selling merchandise or rendering services.
COMPATIBLE POLLUTANT: Biochemical oxygen demand, chemical oxygen demand, FOG, suspended solids, pH, fecal coliform bacteria, and ammonia-nitrogen and additional pollutants identified in the NPDES permit.
COMPOSITE SAMPLE: A sample of wastewater based on a flow proportional or time proportional method.
CONSISTENT POTW TREATMENT WORKS REMOVAL, POLLUTANT REMOVAL OR REMOVAL: Reduction in the amount of a pollutant or alteration of the nature or concentration of a pollutant in the influent of the POTW to a less incompatible or concentrated state of the effluent. Consistent POTW removal efficiency shall be the difference between the average concentration of the pollutant in the influent of the treatment plant and the average concentration of the pollutant in the effluent of the treatment plant divided by the average concentration of the pollutant in the influent.
CONSTRUCTION: Is considered to have commenced when:
      1.   Installation or assembly of facilities or equipment has begun;
      2.   Significant site preparation has begun for installation or assembly;
      3.   The owner or operator has entered into a binding contractual obligation.
   CONTROL MANHOLE: A structure located on a site from which industrial wastes are discharged. The purpose of a control manhole is to provide access for a representative of the village to sample and/or measure discharges.
COOLING WATER: The water discharged from any use such as air conditioning, cooling or refrigeration, to which the only pollutant added is heat.
CUSTOMER: A person, partnership, corporation, trust or other party which uses and/or receives service from the waterworks and/or sanitary sewerage system of the village.
DEBT SERVICE CHARGE: The amount to be paid each billing period for payment of interest, principal and coverage of revenue bonds outstanding and shall be allocated to the various waste characteristics such as volume, BOD, suspended solids, and ammonia-nitrogen.
DIRECTOR: The director of IEPA.
EASEMENT: An acquired legal right for the specific use of land owned by others.
EFFLUENT CRITERIA: Defined in any applicable NPDES permit.
END OF PIPE: That point at which the user's combined regulated and unregulated discharge enters the village collections system without additional discharges diluting the flow.
END OF PROCESS: The point at which regulated process flows can be sampled, prior to mixing with unregulated waste streams.
EXISTING SOURCE: Any building, structure, facility, or installation from which there is or may be a discharge which is not a new source.
FATS, OIL, OR GREASE (FOG): Any hydrocarbons, fatty acids, soaps, fats, waxes, oils, and any other material that is extracted by trichlorotrifluoroethane solvent.
FECAL COLIFORM: Any number of organisms common in the intestinal tract of man and animal whose presence in sanitary sewage is an indicator of pollution.
FEDERAL GRANT: The U.S. government participation in the financing of the construction of treatment works as provided for by title II - grants for construction of treatment works of the act.
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 pretreated and the wastewater does not interfere with the collection system.
FLOW: Volume of wastewater per unit of time.
GARBAGE: Solid waste from the 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 waste stream on a one time basis without regard to the flow in the waste stream and without consideration of time.
INCOMPATIBLE POLLUTANT: All pollutants other than compatible pollutants as defined in this section.
INDIRECT DISCHARGE OR DISCHARGE: The introduction of pollutants into a POTW from any nondomestic source regulated under section 307(b), (c) or (d) of the act.
INDUSTRIAL USERS: Include establishments engaged in manufacturing activities involving the mechanical or chemical transformation of material or substance into products.
INDUSTRIAL WASTES: Any solid, liquid, or gaseous substance discharged, permitted to flow or escaping from any industrial, manufacturing, commercial or business establishment or process or from the development, recovery or processing of any natural resource as distinct from sanitary sewage.
INFILTRATION: The water entering a sewer system, including building drains and sewers, from the ground, through such means as, but not limited to, defective pipes, pipe joints, connections, or manhole walls. (Infiltration does not include, and is distinguished from, inflow.)
INFILTRATION/INFLOW: The total quantity of water from both infiltration and inflow without distinguishing the source.
INFLOW: The water discharge into a sewer system, including building drains and sewers, from such sources as, but not limited to, roof leaders; cellar, yard, and area drains; foundation drains; unpolluted cooling water discharges; drains from springs and swampy areas; manhole covers, cross connections from storm sewers, and combined sewers, catch basins, stormwaters, surface runoff, street wash waters or drainage. (Inflow does not include, and is distinguished from, infiltration.)
INSTITUTIONAL/GOVERNMENTAL USER: Includes schools, hospitals, churches, penal institutions, and users associated with federal, state, and local governments.
INTERFERENCE: A discharge which, alone or in conjunction with a discharge or discharges from other sources, both:
      1.   Inhibits or disrupts the POTW, its treatment processes or operations, or its sludge processes, use or disposal; and
      2.   Therefore, is a cause of 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 sewage sludge use or disposal in compliance 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 sludge management plan prepared pursuant to subtitle D of the SWDA), the clean air act, the toxic substances control act, and the marine protection, research and sanctuaries act.
LIVING UNIT: The same as defined in the zoning ordinance of the village for the occupancy of one family.
LOT: Any parcel of land as set forth in the zoning ordinance of the village.
MAIN, WATER MAIN AND MAIN LINES: That portion of the water main to which the service lines are attached and hooked up and which is owned by the village and is located within a public way or easement serving an entire geographical area.
MAJOR WATER MAINS: Water mains of not less than twelve inches (12") in diameter and looped at intervals of approximately every one-half (1/2) mile, conveying water from wells or storage reservoirs to various sections of the water distribution system.
MILLIGRAMS PER LITER (mg/l): A unit of the concentration of water or wastewater constituent. It is 0.001 gram of the constituent 1.00 milliter of water. It has replaced the unit formerly used commonly, parts per million, to which it is approximately equivalent, in reporting the results of water and wastewater analysis.
NATIONAL CATEGORICAL PRETREATMENT STANDARD: Any pretreatment standard specifying quantities or concentrations of pollutants which may be discharged to a POTW by industrial users in specific industrial subcategories as established in regulations promulgated by the USEPA in 40 CFR chapter I, subchapter N.
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM PERMIT (NPDES PERMIT): A permit issued under the national pollutant discharge elimination system for discharge of wastewaters to the navigable waters of the United States pursuant to the act.
NATURAL OUTLET: Any outlet into a watercourse, pond, ditch, lake, or other body of surface or ground water.
NEW SOURCE: Any building, structure, facility, remodeling (if that remodeling could result in the assigning by the village of a new standard industrial classification code) 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.
      1.   Construction is at a site where no other point source is located;
      2.   The process or production equipment causing discharge is totally replaced due to construction; or
      3.   Production or wastewater generator processes of the facility are substantially independent of an existing source at the same site.
OBJECTIONABLE SUBSTANCE: Any waste discharge that may cause interference with the POTW plant operations, may cause pass- through to the receiving stream that violates stream standards, may interfere with sludge disposal options, or may interfere with collections system and lift station operations either singly or synergistically with the waste or other dischargers, or that can result in harm to worker health and safety.
OPERATION OF MAINTENANCE COSTS: All costs, direct or indirect (other than debt service), necessary to ensure adequate wastewater treatment on a continuing basis, conforming with related federal, state, and local requirements, and assuring optimal long term facility management. These costs include an annual charge for replacement of equipment computed on the basis of the cost of equipment replacement divided by its useful life.
OWNER: Any person, partnership, corporation, trust, or other party having legal title to the lot, tract, or parcel of land for which usage or service from the waterworks and/or sanitary sewerage system of the village is provided and/or proposed.
OXYGEN DEMAND: Any measurement of total oxygen demand using COD, BOD, or other words.
ppm: Parts per million by weight.
PASS-THROUGH: A discharge which exits the POTW into waters of the United States in quantities or concentrations which, alone or in conjunction with a discharge or 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).
PERMITTED WASTEWATER HAULER VEHICLE: A vehicle used for hauling wastewater, which has been granted a permit under the requirements of this chapter.
PERSON: Any individual, firm, company, association, society, corporation or group, partnership and municipality.
pH: The intensity of the acid or base condition of a solution, calculated by taking the logarithm of the reciprocal of the hydrogen ion concentration.
POLLUTANT: Any dredged spoil, solid waste, incinerator residue, sewage, garbage, sewage sludge, munitions, chemical wastes, biological materials, radioactive materials, heat wrecked or discharged equipment, rock, sand, cellar dirt or industrial, municipal, and agricultural waste discharged into water.
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 of sewage per day, containing seventeen hundredths (0.17) pounds of BOD and twenty hundredths (0.20) pounds of suspended solids.
PRETREATMENT REQUIREMENTS: Any substantive or procedural requirement related to pretreatment, other than a pretreatment standard, imposed on an industrial user.
PRETREATMENT STANDARDS: For any specified pollutant, village prohibitive discharge standards, village specific limitations on discharge, the state of Illinois pretreatment standards or the national categorical pretreatment standards (when effective), whichever standard is most stringent.
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 (1/2") (1.27 cm) in any dimension.
PROPERTY SERVICE LINES: That portion of water lines and appurtenant construction running from the water main to the house, building or improvement upon the property.
PUBLIC SEWER: A sewer dedicated to or provided by or subject to the jurisdiction of the village consisting of collector sewer, interceptor sewer, force main and pumping station. It shall also include sewers within or outside the village boundaries 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): A treatment works as defined by section 212 of the act. The definition includes the wastewater treatment works operated by the city and the wastewater collection system operated by the village. This definition further includes any devices and systems used in the storage, treatment, recycling, and reclamation of municipal sewage or industrial wastes of a liquid nature that convey wastewater to the POTW treatment plant regardless of ownership, but does not include sewers, pipes, and other conveyances not connected to the village POTW treatment plant.
Whenever this chapter requires notice to the POTW, said notice shall be provided both to the village and the city.
REGIONAL ADMINISTRATOR: The regional administrator for the USEPA for region V.
REPLACEMENT: Expenditures for obtaining and installing equipment, accessories, or appurtenances which are necessary during the useful life of the treatment works to maintain the capacity and performance for which such works were designed and constructed. The term "operation and maintenance" includes replacement.
RESIDENTIAL USER: All dwelling units such as houses, mobile homes, apartments, and permanent multi-family dwellings.
SANITARY INTERCEPTOR SEWERS: Sanitary sewers which receive sewage from a number of sanitary lateral sewers and conduct such sewage to point for treatment and disposal.
SANITARY LATERAL SEWERS: Sanitary sewers which discharge into other sewers and provide service directly to the various lots, tracts and parcels of land along their routes.
SANITARY SEWAGE: The combination of liquid and water carried wastes discharged from sanitary plumbing conveniences by reason of normal human and domestic use activities.
SANITARY SEWAGE SYSTEM: Includes any and all of the following: a sewage treatment plant or plants; collecting, intercepting and outlet sewers; lateral sewers; force mains, conduits; pumping stations; ejector stations; and all other appurtenances, extensions and improvements necessary, useful or convenient for collection, treatment and disposal in a sanitary manner of sewage and industrial wastes.
SANITARY SEWER: A sewer that conveys sewage or industrial wastes or a combination of both, and into which storm, surface, and ground waters or unpolluted industrial wastes are not intentionally admitted.
SECONDARY WATER MAINS: A gridiron of water mains connected to the major water mains to deliver the fire flow and domestic supply to the various properties and customers along their routes.
SERVICE CHARGES: Charges for making the waterworks or sanitary sewerage system ready to serve particular lots, tracts, or parcels of land.
SEWAGE: A combination of the water carried wastes from residences, business buildings, institutions, and industrial establishments, together with such ground, surface, and storm waters as may be present.
SEWAGE TREATMENT PLANT: Any arrangement of devices; structures and equipment for treatment sewage.
SEWERAGE: The system of sewers and appurtenances for the collection, transportation and pumping of sewage.
SEWERS: A pipe or conduit for conveying sewage or any other waste liquids, including storm, surface and ground water drainage.
SHALL/MAY: Shall is mandatory; may is permissible.
SIGNIFICANT USER: An industrial user of POTWs wastewater system who:
      1.   Has a discharge flow of twenty five thousand (25,000) gallons or more per average workday;
      2.   Has in its wastewater incompatible pollutants as defined pursuant to section 307 of the act, or by state statutes, or by applicable federal or state rules and regulations, or compatible pollutants that exceed the strength of normal domestic waste; or
      3.   Is found by the POTW, IEPA or USEPA to have a reasonable potential to adversely affect, either singly or in combination with other contributing industries, the wastewater treatment system, the quality of sludge, the plant's effluent quality, or air emissions generated by the plant;
      4.   Is subject to any national categorical pretreatment standard; or
      5.   Contributes a process waste stream which makes up five percent (5%) or more of the average dry weather hydraulic or organic capacity of the POTW treatment plant.
SLUDGE: The settleable solids separated from the liquids during the wastewater treatment processes.
SLUG: Any discharge of water or wastewater which in concentration of any given pollutant, as measured by a grab sample, exceeds more than five (5) times the allowable concentrations as set forth in this chapter or any pollutant, including oxygen demanding pollutants, released in a discharge at a flow rate and/or pollutant concentration which will cause interference with the POTW.
STANDARD METHODS: The examination and analytical procedures set forth in the most recent edition of "Standard Methods For The Examination Of Water, Sewage And Industrial Waste", published jointly by the American Public Health Association, the American Water Works Association, and the Federation Of Sewage And Industrial Waste Association.
STORM SEWER: A sewer that carries storm, surface and ground water drainage but excludes sewage and industrial wastes other than unpolluted cooling water.
STORMWATER RUNOFF: That portion of the rainfall that is drained into the sewers.
SUPERINTENDENT: The superintendent of public works of the village of Winfield.
SURCHARGE: That part of the user charge system in addition to the user charge and debt service charge which is levied on those persons whose wastes discharges are greater than normal domestic sanitary sewage wastes and is imposed to recover the cost of treating excess strength industrial wastes.
SUSPENDED SOLIDS: Solids that either float on the surface of or are in suspension in water, sewage, or industrial waste and which are removable by a laboratory filtration device as determined by standard methods.
T (As In Cyanide-T): Total.
TOTAL METALS: The sum of the concentration of metals in section 300.110.
TOTAL SOLIDS: The sum of suspended and dissolved solids.
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 using a reeve angel type 934A or 984H glass fiber filter disk as prescribed in standard methods.
TOTAL TOXIC ORGANICS: The summation of all quantified values for the organics as specified in the applicable regulation.
UNPOLLUTED WATER: Water of quality equal to or better than the effluent criteria set forth in 35 Illinois administrative code part 304 or water that would not cause violation of receiving water quality standards benefited by discharge to the sanitary sewers and wastewater treatment facilities provided.
UPSET: An exceptional incident in which there is unintentional and temporary noncompliance with applicable national categorical 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.
USAGE RATES: Rates for the use of the waterworks or sanitary sewerage system of the village.
USEFUL LIFE: The estimated period during which the treatment works will be operated and shall be thirty (30) years from the date of startup of any wastewater facilities constructed with a federal grant.
USER: Any person who contributes, causes or permits the contribution of wastewater onto the POTW treatment plant.
USER CHARGE: A charge established for users of the treatment facilities in the proportionate share to each user of the cost of operation and maintenance including replacement of such facilities pursuant to section 204(b) of PL 92-500 and shall include surcharges for the treatment of any excess strength wastes.
USER CLASS: The type of user: "residential, institutional/governmental, commercial", or "industrial" as defined herein.
VILLAGE: The village of Winfield.
WASTEWATER: The combination of the liquid and water carried wastes from residences, commercial buildings, industrial plants and institutions including polluted cooling water.
Industrial Wastewater: A combination of liquid and water carried waste, discharged from any industrial user including the wastewater from pretreatment facilities and polluted cooling water.
Sanitary Wastewater: The combination of liquid and water carried wastes discharged from toilet and other sanitary plumbing facilities.
WASTEWATER AND SERVICE CHARGE: The charge per quarterly period established for all users of the wastewater facilities. It shall consist of the total of the basic user charge, the basic user rate, which includes the surcharge, if applicable, and the debt service charge.
WASTEWATER DISCHARGE PERMIT: The document or documents issued to a user by the village allowing discharge to the POTW in accordance with the terms of this chapter.
WASTEWATER FACILITIES: The structures, equipment, and processes required to collect, carry away, and treat domestic and industrial wastes and dispose of the effluent.
WASTEWATER HAULER: Any person, partnership or corporation engaged in transporting sanitary wastewater as a commercial venture.
WASTEWATER TREATMENT WORKS: An arrangement of devices and structures for treating wastewater, industrial wastes, and sludge. Sometimes used as synonymous with "wastewater treatment plant" or "sewage treatment plant" or "pollution control plant".
WATER DISTRIBUTION SYSTEM: A grid of water mains to convey the water from the source of supply to the point of use.
WATER STORAGE: A tank or tanks for storing water for fire protection or equalization of demands.
WATERCOURSE: A channel in which a flow of water occurs, either continuously or intermittently.
WATERS OF THE STATE OF ILLINOIS: All streams, lakes, ponds, marshes, watercourses, waterways, wells, springs, reservoirs, aquifers, irrigation systems, drainage system 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 or any portion thereof.
WATERWORKS: Means and includes a water supply and distribution system in its entirety or any integral part thereof including mains, hydrants, meters, valves, standpipes, storage tanks, pump tanks, intakes, wells, impounding reservoirs, pumps, machinery, purification plants, softening apparatus and all other elements useful in connection with such system.
WATERWORKS AND SEWERAGE FUND: The principal accounting designation for all revenue received and expenses incurred in the operation of the waterworks and/or sewerage system. These revenues and expenses shall be segregated so that water system revenues and expenses shall be recorded in the waterworks account of the waterworks and sewerage fund and revenues and expenses of the sewerage system shall be recorded in the sewerage account of the waterworks and sewerage fund. (Ord. 2001-4-6, 4-5-2001)