ZID definition

ZID or "Zone of Initial Dilution" means a portion of a mixing zone, identified pursuant to 35 Ill. Adm. CodeSection 302.102(e) of this Part, within which acute toxicity standards need not be met.
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ZID means Zone of Initial Dilution.
Sample 1
ZID or “zone of initial dilution” means a delineated portion of a mixing zone in which wastewater discharges will be allowed to rapidly combine and begin dispersing into the water body. The acute criteria of 567—subrule 61.3(3) will apply at the boundary of this zone.
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Examples of ZID in a sentence

  • Zone of Initial Dilution (ZID) means the region of initial mixing surrounding or adjacent to the end of the outfall pipe or diffuser ports, provided that the ZID may not be larger than allowed by mixing zone restrictions in applicable water quality standards.

  • ZID Zone of Initial Dilution means the region of initial mixing surrounding or adjacent to the end of the outfall pipe or diffuser ports.

  • Zone of initial dilution" or "ZID" means the area of the receiving water directly after the end of the pipe where an instantaneous volume of water gives up to a one-to-one (1:1) dilution of the discharge.

  • They found no discernable difference between bottom dwelling organisms, flora and fauna within the ZID and again at control sites.

  • Compliance with these limitations shall be determined from samples collected at stations representative of the area outside of the zone of initial dilution (ZID).

  • The ZID of any wastewater outfall shall be excluded from designation as kelp beds for purposes of bacterial standards.

  • The acute criteria apply at the end of the ZID, and the chronic criteria apply at the end of the MZ.

  • Ambient water quality conditions during the period(s) of maximum stratification: at the zone of initial dilution (ZID) boundary, at other areas of potential impact, and at control stations.

  • The biologists found no solids deposition within the outfall zone of initial dilution (ZID) or the control sites.

  • Provide data to demonstrate that all applicable State water quality standards, and all applicable water quality criteria es- tablished under Section 304(a)(1) of the Clean Water Act for which there are no directly corresponding numerical applicable water quality standards approved by EPA, are met at and beyond the boundary of the ZID under critical environmental and treatment plant conditions in the waters surrounding or adja- cent to the point at which your effluent is discharged.

Related to ZID

  • Sproule means Sproule Associates Limited;

  • Façade means the portion of the building parallel to the primary right-of-way as determined by City.

  • Becquerel (Bq) means the SI unit of activity. One becquerel is equal to 1 disintegration or transformation per second (dps or tps).

  • Lacquer means a clear or opaque wood coating, including clear lacquer sanding sealers, formulated with cellulosic or synthetic resins to dry by evaporation without chemical reaction and to provide a solid, protective film.

  • EMMA means the Electronic Municipal Market Access system as described in 1934 Act Release No. 59062 and maintained by the MSRB for purposes of the Rule.

  • Roentgen means the special unit of exposure. One roentgen (R) equals 2.58 × 10-4 coulombs/kilogram of air (see “Exposure” and 38.4(4)).

  • SERFF means the system for electronic rate and form filing. SERFF is a proprietary NAIC computer-based application that allows insurers and other entities to create and submit rate, rule and form filings electronically to the commissioner.

  • glider means a non-power-driven heavier-than-air aircraft, deriving its lift in flight chiefly from aerodynamic reactions on surfaces, which remain fixed under given conditions of flight;

  • WADA means the World Anti-Doping Agency.

  • Swale means a shallow depression in the ground sloping to a place for disposal for the purpose of providing a method of drainage of surface water.

  • MR means the mechanical rights granted in clauses 2.1.1 and 2.1.2.

  • Toddler means a child at least one year of age but less than 2 years of age.

  • Stillbirth means an unintended fetal death occurring after a gestation period of 20 completed weeks or more or an unintended fetal death of a fetus with a weight of 350 or more grams.

  • Managing Director means the Managing Director of the Food Corporation of India.

  • HOD means the Head of the Department concerned.

  • Roomer means a person occupying a dwelling unit that lacks a major bathroom or kitchen facility, in a structure where one or more major facilities are used in common by occupants of the dwelling unit and other dwelling units. Major facility in the case of a bathroom means toilet, or either a bath or shower, and in the case of a kitchen means refrigerator, stove or sink.