Screening Chemicals for Persistence in the Environment

Article Abstract:

A method is suggested that would rapidly screen persistance of chemicals in the environment. It includes using partitioning data to graphically identify key half-lives.

Chemicals & Allied Products, Chemical Manufacturing, Basic Chemical Manufacturing, CHEMICALS AND ALLIED PRODUCTS, Industrial Organic Chemicals, Organic Chemicals, Statistical Data Included, Evaluation, Chemicals, Chemical industry, Organic compounds, Technical, Chemical equilibrium, Methodology, Research methods

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Assessing long-range transport potential of persistent organic pollutants

Article Abstract:

University researchers from Canada and Germany analyzed the factors involved in the long-range transport of persistent organic pollutants in various media such as air, soil and water.

Germany, Research and Testing Services, Scientific Research and Development Services, Pollution Control R&D, Research & Development-Universities, University research

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Temperature dependence of atmospheric concentrations of semivolatile organic compounds

Article Abstract:

The cyclic fluctuations exhibited by the atmospheric concentration of semivolatile organic compounds (SOC) were shown to be a function of the surface contamination and the atmospheric concentration, with temperature affecting the air-surface partitioning. Temperature effects is directly tied to surface evaporation and air advection, both of which increases the rate of SOC diffusion into the air.

Air Pollution Control R&D, Hazardous substances, Hazardous substances risk assessment, Air pollution, Air pollution research, Volatile organic compounds

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