effluent standard
51Eutrophication — The eutrophication of the Potomac River is evident from its bright green water, caused by a dense bloom of cyanobacteria. Eutrophication (Greek: eutrophia healthy, adequate nutrition, development; German: Eutrophie) or more precisely… …
52Acid mine drainage — Yellow boy in a stream receiving acid drainage from surface coal mining. Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. However, other areas where… …
53Reef aquarium — See also: Marine aquarium Reef aquarium in Monaco A reef aquarium or reef tank is an marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the coral reef environment.… …
54Temperature gradient gel electrophoresis — (TGGE) and Denaturing Gradient Gel Electrophoresis (DGGE) are forms of electrophoresis which use either a temperature or chemical gradient to denature the sample as it moves across an acrylamide gel. TGGE and DGGE can be applied to nucleic acids… …
55Fecal coliforms — (sometimes faecal coliforms) are facultatively anaerobic, rod shaped, gram negative, non sporulating bacteria. They are capable of growth in the presence of bile salts or similar surface agents, oxidase negative, and produce acid and gas from… …
56Anaerobic lagoon — or Manure Lagoon is a man made outdoor earthen basin filled with excrement. Lagoons are part of a system designed to manage and treat waste created by Concentrated Animal Feeding Operations (CAFO). Anaerobic lagoons are created from a manure… …
57River Cart — The River Cart is a tributary of the River Clyde, Scotland, which it joins from the west roughly midway between the towns of Erskine and Renfrew.The River Cart itself is very short, being formed from the confluence of the Black Cart Water (from… …
58Lower Molonglo Water Quality Control Centre — The Lower Molonglo Water Quality Control Centre is a sewerage and waste water treatment facility in the Australian Capital Territory, owned and operated by ACTEW Corporation. The Lower Molonglo Water Quality Control Centre (or LMWQCC) is the… …
59Chevron Richmond Refinery — Image showing the refinery and the marshlands in the background; Point Richmond in the foreground. The Chevron Richmond Refinery is a 2,900 acre (12 km2) petroleum refinery in Richmond, California, on San Francisco Bay.[1] It is …
60Musk xylene — Musk xylene[1] Preferred IUPAC name …
