effluent standard
61PolyDADMAC — Other names Poly(dimethyldiallylammonium chloride) Identifiers …
62Biochemical oxygen demand — or Biological Oxygen Demand (BOD) is a chemical procedure for determining how fast biological organisms use up oxygen in a body of water. It is used in water quality management and assessment, ecology and environmental science. BOD is not an… …
63Water cooling — Cooling tower and water discharge of a nuclear power plant Water cooling is a method of heat removal from components and industrial equipment. As opposed to air cooling, water is used as the heat conductor. Water cooling is commonly used for… …
64Laser cutting — process on a sheet of steel. CAD (top) and stainless steel laser cut part (bottom) Laser cutting is a technology that uses a laser to cut materials, an …
65Melamine — This article is about the chemical compound. For the plastic also called melamine , see melamine resin. Melamine …
66Garbage disposal — A garbage disposal, waste disposal unit, or garburator / garbarator (Canada) is a device, usually electrically powered, installed under a kitchen sink between the sink s drain and the trap which shreds food waste into pieces small enough to pass… …
67North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …
68textile — /teks tuyl, til/, n. 1. any cloth or goods produced by weaving, knitting, or felting. 2. a material, as a fiber or yarn, used in or suitable for weaving: Glass can be used as a textile. adj. 3. woven or capable of being woven: textile fabrics. 4 …
69Environmental impact of shipping — A cargo ship discharging ballast water into the sea. The environmental impact of shipping includes greenhouse gas emissions and oil pollution. Carbon dioxide emissions from shipping is currently estimated at 4 to 5 percent of the global total,… …
70Monitoring Certification Scheme — MCERTS is the UK Environment Agency s (EA) Monitoring Certification Scheme. It provides the framework for businesses to meet quality requirements. Compliance with MCERTS gives the EA confidence in the monitoring of emissions to the… …
