A. “Accessible,” when applied to required pretreatment monitoring or treatment equipment, shall mean direct access without the necessity of removing any panel, door, vehicle, equipment, materials, or other similar obstruction.

B. “Additive” means any material, in any physical form, put into a grease removal system (GRS) or any drain lines or appurtenances discharging to a GRS intended in any way to modify the operation of the GRS.

C. “Administrative penalty (fine)” means a punitive monetary charge unrelated to treatment cost, which is assessed by the director rather than a court.

D. “Approval authority” means the State of Washington Department of Ecology.

E. “Authorized representative of the user” means:

F. “Automatic grease removal system (AGRS)” means a GRS that has provisions to automatically remove separated FOG and/or settled solids from the tank and collect them for disposal.

G. “Best management practices (BMPs)” means schedules of activities, prohibitions of practices, maintenance procedures, and other management practices to prevent or reduce the pollution of waters of the United States. BMPs also include treatment requirements, operating procedures, and practices to control plant site runoff, spillage or leaks, sludge or waste disposal, or drainage from raw material storage.

H. “Biochemical oxygen demand (BOD)” means the quantity of oxygen utilized in the biochemical oxidation of organic matter amenable to measurement by the methods described in Standard Methods for the Examination of Water and Wastewater, latest approved edition, or other methods approved by 40 CFR 136.

I. “Chemical oxygen demand (COD)” means a measure of the oxygen-consuming capacity of inorganic and organic matter present in wastewater amenable to measurement by the methods described in Standard Methods for the Examination of Water and Wastewater, latest approved edition, or other methods approved by 40 CFR 136. COD is expressed as the amount of oxygen consumed from a chemical oxidant in mg/L during a specific test.

J. “City” means the city of Everett, Washington.

K. “Combined sewer overflow (CSO)” means any unplanned discharge from the combined sewer system.

L. “Composite sample” means the sample resulting from the combination of individual wastewater samples taken at selected intervals based on an increment of either flow or time.

M. “Day” shall be defined as a calendar day.

N. “Director” means the director of the city of Everett public works department, or his duly authorized representative.

O. “Discharge authorization” means a wastewater discharge permit authorizing users to discharge wastewater to the Everett POTW. These permits are for users requiring a control mechanism.

P. “Domestic sewage” means the liquid and waterborne wastes derived from ordinary living processes, free from industrial wastes, and of such character to permit satisfactory disposal, without special treatment, into the POTW.

Q. “Domestic user (residential user)” means any person who contributes, causes, or allows the contribution of wastewater into the city POTW that is of a similar volume and/or chemical make-up as that of a residential dwelling unit. Discharges from a residential dwelling unit typically include up to one hundred gallons per capita per day at two hundred fifty mg/L of BOD and TSS.

R. “Environmental Protection Agency (EPA)” means the U.S. Environmental Protection Agency or, where appropriate, the Regional Water Management Division Director, or other duly authorized official of said agency.

S. Existing User. An “existing user” is defined as any user which is discharging wastewater prior to the effective date of the ordinance codified in this chapter.

T. Fats, Oils and Grease (FOG). The term “fats, oils, and grease” shall mean those components of wastewater amenable to measurement by the methods described in Standard Methods for the Examination of Water and Wastewater, latest approved edition, or other methods approved by 40 CFR 136. For the purposes of this chapter, the term “fats, oils and grease” shall include polar fats, oils, and grease and other components extracted from wastewater by these methods, excluding the nonpolar fraction.

U. “Food service establishment (FSE)” means any establishment, commercial or noncommercial, primarily engaged in preparing, serving, or otherwise making available for consumption foodstuffs in or on a receptacle that requires washing more than two days per week and that discharges to the POTW.

V. “Grab sample” means a sample which is taken from a wastestream on a one-time basis without regard to the flow in the wastestream and without consideration of time.

W. Grease/Greases. See “Fats, Oils and Grease (FOG).”

X. “Grease impact area” means any area of the POTW collection system where grease deposits originating at FSEs and/or NFDs create maintenance requirements exceeding normal sewer maintenance. These areas will be identified by the director and updated as needed.

Y. “Grease interceptor/interceptor/interceptor-style GRS” means any relatively large in-ground or above-ground tank, generally, but not always, of precast concrete, with internal plumbing and baffling intended to act as a GRS or AGRS to serve one or more fixtures and which shall be remotely located.

Z. “Grease removal system (GRS)” means any device designed for, and intended for, separating, collecting, and removing waterborne FOG and settleable solids prior to discharging to the POTW. This includes any AGRS.

AA. “Grease trap/trap/trap-style GRS” means any relatively small appurtenance, generally, but not always, of cast iron or fabricated steel, with internal configuration and internal or external flow control, intended to function as a GRS or AGRS. All trap-style grease removal systems shall be PDI or IAPMO approved.

AB. “High-strength waste” means any waters or wastewater having a concentration of BOD or total suspended solids in excess of two hundred fifty mg/L, or having a concentration of fats, oil and grease in excess of fifty mg/L.

AC. “Interference” means a discharge which, alone or in conjunction with a discharge or discharges from other sources, either: (1) inhibits or disrupts the POTW, its treatment processes or operations; (2) inhibits or disrupts its biosolids (sludge) processes, use or disposal; or (3) is a cause of a violation of the city’s NPDES permit or of the prevention of sewage sludge use or disposal in compliance with any of the following statutory/regulatory provisions or permits issued thereunder: Section 405 of the Clean Water Act; the Solid Waste Disposal Act (SWDA), including Title II, commonly referred to as the Resource Conservation and Recovery Act (RCRA); any 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.

AD. “Liquid waste” is the discharge from any fixture, appliance or appurtenance in connection with a plumbing system which does not receive fecal matter.

AE. “Maximum allowable discharge limit” means the maximum concentration (or loading) of a pollutant allowed to be discharged at any time.

AF. “New user” means a user that applies to the city for a new building permit or any person who occupies an existing building and plans to discharge wastewater to the city’s collection system after the effective date of the ordinance codified in this chapter. Any person that buys an existing facility that is discharging nondomestic wastewater will be considered an “existing user” if no substantial remodel is made in the operation.

AG. “Non-FSE FOG discharger (NFD)” means any establishment, such as a church, synagogue, worship hall, banquet facility, or meeting space, with a commercial-style kitchen that is used for preparing, serving, or otherwise making available for consumption foodstuffs in or on a receptacle that requires washing two days a week or less and that discharges to the POTW.

AH. “Pass through” means 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 city’s NPDES permit (including an increase in the magnitude or duration of a violation).

AI. “Permittee” means a person or user issued a wastewater discharge permit, or discharge authorization.

AJ. “Person” means 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, or local governmental entities.

AK. “pH” means a measure of the acidity or alkalinity of a substance, expressed in standard units.

AL. “Pollutant” means any dredged spoil, solid waste, incinerator residue, sewage, garbage, sewage sludge, munitions, medical wastes, chemical wastes, biological materials, radioactive materials, heat, wrecked or discharged equipment, rock, sand, cellar dirt, agricultural and industrial wastes, and the characteristics of the wastewater (i.e., pH, temperature, TSS, turbidity, color, BOD, chemical oxygen demand (COD), toxicity, or odor).

AM. “Pretreatment” means the reduction of the amount of pollutants, the elimination of pollutants, or the alteration of the nature of pollutant properties in wastewater prior to (or in lieu of) 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 concentration of the pollutants unless allowed by an applicable pretreatment standard).

AN. “Pretreatment requirements” means any substantive or procedural requirement related to pretreatment imposed on a user, other than a pretreatment standard.

AO. “Pretreatment standards” shall mean prohibited discharge standards, categorical pretreatment standards, and local limits established by the city (POTW).

AP. “Prohibited discharge standards” or “prohibited discharges” means absolute prohibitions against the discharge of certain substances; these prohibitions appear in Section 14.42.050(A) and (B).

AQ. “Publicly owned treatment works (POTW)” means a “treatment works,” as defined by Section 212 of the Act (33 USC 1292), which is owned by the city. This definition includes all devices, facilities, or systems used in the collection, storage, treatment, recycling, and reclamation of sewage or industrial wastes of a liquid nature and any conveyances which convey wastewater to a treatment plant. The term also means the city of Everett water pollution control facility.

AR. Sanitary Flow. See “Sewage.”

AS. “Sanitary sewer overflow (SSO)” means any unplanned discharge from the separate sanitary sewer system.

AT. “Septic tank waste” means any domestic and/or residential sewage from holding tanks such as vessels, chemical toilets, campers, trailers, and septic tanks.

AU. “Settleable solids” means the solids that sink to the bottom of water, wastewater, or other liquid, and which are amenable to measurement by the methods described in Standard Methods for the Examination of Water and Wastewater, latest approved edition, or other methods approved by 40 CFR 136.

AV. “Sewage” means human excrement and gray water (household showers, dishwashing operations, food preparation, etc.)

AW. “Sewer” means any pipe, conduit, ditch, or other device used to collect and transport sewage from the generating source.

AX. Shall, May. “Shall” is mandatory, “may” is permissive.

AY. “Solids interceptor” means any device designed for, and intended for, separating, collecting, and removing waterborne solids prior to being discharged to a GRS. A solids interceptor must remove solids greater than one-eighth inch.

AZ. “Standard Industrial Classification (SIC) Code” means a classification pursuant to the Standard Industrial Classification Manual issued by the United States Office of Management and Budget.

BA. “State” means the state of Washington.

BB. “Stormwater” means any flow occurring during or following any form of natural precipitation, and resulting from such precipitation, including snowmelt.

BC. “Substantial remodel” means any modification to an existing FSE or NFD kitchen that involves changes to fifty percent or more of the floor area of the kitchen.

BD. “Total suspended solids” means the total suspended matter that floats on the surface of, or is suspended in, water, wastewater, or other liquid, and which is removable by laboratory filtering and is amenable to measurement by the methods described in Standard Methods for the Examination of Water and Wastewater, latest approved edition, or other methods approved by 40 CFR 136.

BE. “Toxic pollutant” means one of the pollutants, or combination of those pollutants, listed as toxic in regulations promulgated by the EPA under Section 307 (33 USC 1317) of the Act, or other pollutants as may be promulgated.

BF. “Treatment plant effluent” means the discharge from the POTW into waters of the United States.

BG. “User” means, for the purposes of this chapter, any FSE or NFD. This shall not include “domestic user” as defined herein.

BH. “Wastewater” means liquid and water-carried industrial wastes and sewage from residential dwellings, commercial buildings, industrial and manufacturing facilities, and institutions, whether treated or untreated, which are contributed to the POTW.

BI. “Wastewater discharge permit (industrial wastewater discharge permit, discharge permit, discharge authorization)” means an authorization or equivalent control document issued by the city to users discharging wastewater to the POTW. The permit may contain appropriate pretreatment standards and requirements as set forth in this chapter.

BJ. “Wastewater treatment plant” or “treatment plant” or “pollution control facility” means that portion of the POTW which is designed to provide treatment of municipal sewage and industrial waste.