Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania (2005) / Chapter Skim
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Pages 268-276
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From page 268... ...
268 Appendix C Glossary SOURCES: Adapted from 25 PA Code § 73; EPA, 1997 and 2002; NSFC, 2001; PADEP, 2003 and 2004a, b, c. Abandoned well -- A well whose use has been permanently discontinued or that is in a state of such disrepair cannot be used for its intended purpose.
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From page 269... ...
Appendix C 269 into the surrounding area. Unlike septic tanks, cesspools provide very little treatment to sewage before releasing it to the environment, and unlike holding tanks, cesspools do not retain sewage for treatment elsewhere.
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From page 270... ...
270 Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania Corrosion -- The dissolution and wearing away of metal caused by a chemical reaction -- for example, between water and the pipes, chemicals touching a metal surface, or contact between two metals. Criteria -- Descriptive factors taken into account by EPA in setting standards for various pollutants.
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From page 271... ...
Appendix C 271 Experimental sewage system -- Method of on-site sewage treatment and disposal not described in the Pennsylvania Code that is proposed for the purpose of testing and observation. These systems may be considered for individual or community on-site use to solve an existing pollution or public health problem; overcome site suitability deficiencies; overcome engineering problems related to the site or its proposed use; evaluate new concepts or technologies applicable to on-site disposal; or evaluate the applicability to on-site disposal of established concepts or technologies having successful use in comparable applications in the field of engineering.
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From page 272... ...
272 Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania Influent -- Water, wastewater, or other liquid flowing into a reservoir, basin, or treatment plant. Innovative technologies -- New or inventive methods to treat effectively hazardous waste and reduce risks to human health and the environment.
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From page 273... ...
Appendix C 273 Point source -- A stationary location or fixed facility from which pollutants are discharged; any single identifiable source of pollution, (e.g., a pipe, ditch, ship, ore pit, factory smokestack)
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274 Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania oxygen-demanding substances and suspended solids. Disinfection is the final stage of secondary treatment.
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From page 275... ...
Appendix C 275 toxicity is the ability of the substance to cause effects for more than one year but less than the lifetime of the exposed organism. Treated wastewater -- Wastewater that has been subjected to one or more physical, chemical, and biological processes to reduce its potential of being a health hazard.
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From page 276... ...
276 Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania PADEP (Pennsylvania Department of Environmental Protection)
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