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.
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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

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  • Seaplane means an aeroplane capable normally of taking off from and alighting solely on water;

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  • WADA means the World Anti-Doping Agency.

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  • MOHLTC means the Minister or the Ministry of Health and Long-Term Care, as the context requires;

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  • SID means the supplementary information document of which these Terms form part;

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