Nonexhaustive cyclodextrin-based extraction technique for the evaluation of PAH bioavailability

Article Abstract:

A study of a method of soil extraction which determines the amounts of phenanthrene, pyrene, and benzopyrene, in the soil which are potentially dangerous to the environment.

United States, Statistical Data Included, Methods, Illustration, Benzopyrene, Decontamination (from gases, chemicals, etc.), Decontamination

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Historical inputs of polychlorinated biphenyls and other organochlorines to a dated lacustrine sediment core in rural England

Article Abstract:

Researchers in England constructed an historical record of organochlorine compound deposition. Lacustrine sediment cores were taken from Esthwaite Water and analyzed for 22 polychlorinated biphenyls and DDT. Experimental results indicated that PCB and DDT concentrations increased gradually starting in the late 1920s and peaking in the early 1960s, when use of these chemicals was finally restricted. The presence of organochlorine compounds in pre-1929 depths indicates nonindustrial sources of these substances.

Testing laboratories, Environmental aspects, Polychlorinated biphenyls, DDT (Insecticide), DDT

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Evaluation of spiking procedures for the introduction of poorly water soluble contaminants into soil

Article Abstract:

Spiking procedures for the introduction of persistent organic pollutants in soil are evaluated and results show that dry soil could be spiked with greater homogeneity than wet soil under analogous spiking. Results also show that a single step spiking/rehydration operation and a procedure involving a spiked wet soil inocolum provided the best means of polycyclic aromatic hydrocarbon introduction in dry and wet soils respectively.

Research and Development in the Physical, Engineering, and Life Sciences, Pollution R&D NEC, Analysis, Pollution control research, Soil absorption and adsorption, Absorption, Soil science, Soil chemistry, Soil permeability

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