Alternative Wastewater Treatment - A. S. Eikum

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Sommaire:
Session I: Objectives of On-Site Wastewater Disposal.- Objectives of On-Site Wastewater Disposal.- Some Aspects on Norwegian Practice.- Session II: Quantity and Characteristics of Residential Wastewater.- Alteration of in House Wastewater Flow with Low Flush Toilet Fixtures and Graywater Recycle.- Session III: Research on On-Site Disposal Methods in the Us and Scandinavia - Past and Present.- On-Site Wastewater Disposal Research in the United States.- Research on On-Site Disposal Methods in Norway - Past and Present.- Research on On-Site Disposal Methods in Sweden - Past and Present.- Session IV: The Soil as a Renovating Medium.- Water Movement into and through Soil.- The Soil as a Renovating Medium - Clogging of Infiltrative Surfaces.- The Soil as a Renovating Medium - The Fate of Pollutants in Soil - Organic Material.- On-Site Soil Systems, Nitrogen Removal.- Phosphorus Sorption by Soil; A Review.- Modeling Phosphorus Sorption and Movement in Soils in Relation to Septic Tank Leach Fields.- Reduction of Enteric Microorganisms in Soil Infiltration Systems; Field and Laboratory Experiments.- Session V: Site Selection Criteria for On-Site Disposal Systems.- Evaluation of Site Suitability for Subsurface Soil Absorption of Wastewater.- Selection of Disposal Sites in Norway.- Session VI: Design, Construction, and Function of Septic Tank Soil Absorption Systems.- Subsurface Soil Absorption Systems used in the United States.- Practical Experience with Alternative Systems for Problem Soils in Norway; Alternative Wastewater Systems for Local Infiltration.- Session VII: Non Water Carriage System.- Norway Introduces Quality Standards for Biological Toilets.- Session VIII: On-Site Wastewater Treatment Methods.- Present Technology in Northern Europe On WastewaterTreatment Plants for Small Flows.- Treatment of Residential Graywater with Intermittent Sand Filtration.- Session IX: State Regulations and Policy Regarding On-Site Wastewater Disposal System.- Regulations and Policy Regarding On-Site Wastewater Disposal Systems.- Present Norwegian Practice and Activities for Improvement of On-Site Wastewater Disposal.- List of Participants.