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… and will amplify over the very long term. Such physico-chemical changes in the ocean are associated with significant … there are three major changes that affect all the physico-chemical processes of the ocean, at any latitude and depth: … be exceeded, but it is unclear precisely how the physical, chemical, biological and ecological processes will react and …

… include untreated sewage, agricultural run-off and chemical substances. These affect all forms of freshwater as … into water, changes or is likely to change the physical, chemical, or biological condition of water. Drainage work: … such contamination or other alteration of the biological chemical or physical properties of the water, including …

… at the earth’s surface. It has been developed by physical, chemical and biological processes including the weathering of … into successive horizontal layers with specific physical, chemical and biological characteristics. From the standpoint … erosion, wind erosion, waterlogging and excess salts, chemical degradation, physical degradation, and biological …

… and scientific assessments on: (a) The physical and chemical processes that may affect the ozone layer; (b) The … consider the interaction between radiative, dynamic and chemical processes; studies of the simultaneous effects of … and mechanisms of tropospheric and stratospheric chemical and photochemical processes; spectroscopic data to …

… related to specific issues such as biological diversity, chemical pollution, climate change or wetlands protections. … showing that long-range environmental transport of the chemical, with the potential for transfer to a receiving … properties and/or model results that demonstrate that the chemical has a potential for long-range environmental …

… the usual designation of the active ingredient and its chemical designation, the maximum quantity of the substance … and when they are satisfied that all the mechanical and chemical operations which serve to ensure the quality of the … of pesticides and similar products and, by carrying out chemical analyses, ensures that the details given in the …

… notified and supplied with relevant information about the chemical, and the chemical is labeled according to specified labelling … that the public has “appropriate access to information on chemical handling and accident management and on alternatives …

… oceans, thereby threatening other important ecosystems.33 Chemical pollution, which refers primarily to persistent … generally reduces the availability of water for human use. Chemical pollutants, microbial contamination, increased … “pollution” is defined broadly to encompass “any physical, chemical or biological alteration in the composition or …

… mercury per year from waste, mainly for the needs of the chemical and electric industries of Russia. Between 1992 and …

… can be contaminated where recharge water carries chemical pollutants – usually from agriculture, waste … has excellent natural microbiological quality and adequate chemical quality for most uses. Indeed many people buy (at … content of natural groundwater. The proportion of these chemical constituents in the groundwater reflects the geology …