Gas/solid partitioning of semivolatile organic compounds (SOCs) to air filters. 3. An analysis of gas adsorption artifacts in measurements of atmospheric SOCs and organic carbon (OC) when using teflon membrane filters and quartz fiber filters

Article Abstract:

Teflon membrane and quartz fiber filters are used to measure the gas adsorption of semivolatile organic compounds with different conceptual models. Predictions of gas adsorption are graphed for several compounds, and discussed as a deterrant to accurate measurement of airborne pollution.

United States, Waste Management and Remediation Services, All Other Miscellaneous General Purpose Machinery Manufacturing, Pollution Control, Sanitary Services, Membrane & Fiber Filters, General industrial machinery, not elsewhere classified, Pollution control industry, Industrial equipment industry, Filters (Separation), Organic compounds, Air pollution, Filter industry

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Organochlorine pesticide residues in archived UK soil

Article Abstract:

Soil samples saved from decades-long agricultural experiments in the UK have revealed significant concentrations of organochlorine pesticides. Analysis of data gathered supports the conclusion that degradation of these pesticides has been minimal over many years, and that introduction of sludge to the soil has had little effect. Statistical data, charts and graphs support the study's conclusions.

United Kingdom, Pesticide and Other Agricultural Chemical Manufacturing, Agricultural chemicals, not elsewhere classified, Chlorinated Insecticides NEC, Illustration, Soil pollution, Insecticides, Chlorine compounds

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