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Sewage  Solid, semi-solid, or liquid residue generated during the treatment of domestic sewage in a treatment works. It includes, but is not limited to: domestic septage; scum or solids removed in primary, secondary, or advanced wastewater treatment processes; and material derived from sewage sludge. It does not include ash generated during the incineration of sewage sludge or grit and screenings generated during preliminary treatment of domestic sewage in a treatment works. --MORE INFO: Joint NRC/EPA Sewage Sludge Radiological Survey: Survey Design and Test Site Results ( -  From Radiation Glossary
  - Search all glossaries for terms containing sewage

The Biosolids web area includes key documents that provide an overview of the scientific basis for biosolids management, including biosolids application to soils.
Effluent Guidelines
Effluent guidelines are national standards for wastewater discharges to surface waters and municipal sewage treatment plants. We issue the regulations for industrial categories based on the performance of treatment and control technologies.
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Onsite Sewage Treatment in Region 9
Onsite sewage treatment
National Enforcement Initiative: Keeping Raw Sewage and Contaminated Stormwater Out of Our Nation's Waters
This page describes EPA's enforcement activities on water pollution from raw sewage and contaminated stormwater. This is one of EPA's National Enforcement Initiatives. Both enforcement cases, and a map of enforcement actions are provided.
Enforcement Alert: Preventing Backup of Municipal Sewage into Basements September 2006, Vol. 8, No. 1
This Enforcement Alert discusses backups and other sewage overflows.
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Vessel Sewage Discharges: Homepage
Vessel sewage discharges are regulated under Section 312 of the Clean Water Act, which is jointly implemented by the EPA and Coast Guard. This homepage links to information on marine sanitation devices and no discharge zones.
Vessel Sewage Discharges: No Discharge Zones (NDZs)
States may petition the EPA to establish areas, called no discharge zones (NDZs), where vessel sewage discharges are prohibited. This page describes how NDZs are designated, the types of designations, who enforces them, and how to comply.
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Mon Valley Sewage Authority
Mon Valley Sewage Authority. Donora, PA. Feb. 19, 2009
Clairton Sewage Treatment Plant
Clairton Sewage Treatment Plant. Sept. 28, 2011. Information Request.
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Reilly in New York to Mark End of Sewage Sludge Dumping
EPA press release - June 30, 1992 on EPA Administrator William K. Reilly participating in an event in New York City marking the end of dumping sewage sludge in the ocean.
EPA Announces Guidance on State Revolving Funds for Sewage Treatment
EPA press release - February 2, 1988 on initial guidance to states on setting up State Revolving Funds for sewage-treatment-plant construction and other water-pollution-control activities.
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Research on Evaluating Concentrations of Endocrine Disrupting Chemicals in Biosolids (Sewage Sludge)
EPA researchers are working to address some of these uncertainties by evaluating whether chemicals in biosolids degrade when biosolids are applied to agricultural soils or if the chemicals persist.
Land Application of Sewage Sludge
A Guide for Land Appliers on the Requirements of the Federal Standards for the Use or Disposal of Sewage Sludge, 40 CFR Part 503
Process Design Manual: Land Application of Sewage Sludge and Domestic Septage
This manual reflects state-of-the art design information for the land application of sewage sludge.
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Joint NRC/EPA Sewage Sludge Radiological Survey: Survey Design & Test Site Results
This report contains the results of a radiological survey of nine publicly POTWs around the country, which was commissioned by the Sewage Sludge Subcommittee, to determine whether and to what extent radionuclides concentrate in sewage treatment wastes.
Final Report: ISCORS Assessment of Radioactivity in Sewage Sludge: Recommendations on Management of Radioactive Materials in Sewage Sludge and Ash at Publicly Owned Treatment Works
This report presents recommendations on aspects of environmental or occupational radiation protection for a POTW operator when elevated levels of radionuclides are detected.
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Biosolids Management Handbook: Section 1
Section 1 presents Summary of 40 CFR Part 503 Standards for the Use or Disposal of Sewage Sludge, & United States Regulations and Practical Experience on Biosolids Reuse and Disposal.
Form 2S, NPDES
NPDES sample form on permit application.
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Agriculture: Nutrient Management and Fertilizer
Fertilizers and soil amendments can be derived from raw materials, composts and other organic matter, and wastes, such as sewage sludge and certain industrial wastes. Overuse of fertilizers can result in contamination of surface water and groundwater.
1996 Academic Award
Presidential Green Chemistry Challenge 1996 award winner, Professor Mark Holtzapple, developed methods to convert waste biomass (e.g., sewage sludge, agricultural wastes), into animal feed, industrial chemicals, or fuels.
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