Brooks, Norman H. (1978) Statement to Water Resources Subcommittee of House Committee on Public Works and Transportation for a Hearing, May 24 and 25, 1978, Washington, D.C. regarding Secondary Treatment Waivers and Ocean Outfalls. Environmental Quality Laboratory, Open File Report, 78-3. California Institute of Technology , Pasadena, CA. (Unpublished) http://resolver.caltech.edu/CaltechAUTHORS:20121001-111503438
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The principal technical reason for having a waiver provision for secondary treatment for municipal discharges is that for some outfall systems the dilution is so high that very good ambient water quality can be achieved with less than secondary treatment. Therefore, the criteria for a waiver of the secondary treatment requirement must give full consideration to the dilution obtained by the outfall system. In a high performance outfall diffuser, such as those used by major dischargers in California and Hawaii, initial dilutions are typically 100:1, and may range up to 1000:1 in very favorable circumstances.
|Item Type:||Report or Paper (Technical Report)|
|Group:||Environmental Quality Laboratory|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||George Porter|
|Deposited On:||01 Oct 2012 20:04|
|Last Modified:||27 Dec 2012 02:47|
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