Does supersorbent soot control PAH fate?

Article Abstract:

Research by Orjan Gustaffsson at the Institute for Applied Environmental Research at Stockholm University, Sweden, has found soot to yield high levels of polycyclic aromatic hydrocarbon sorption. By directly measuring distribution coefficients of polycyclic aromatic hydrocarbons from water to model soot particles, sorption was found to be 35-250 times higher than predicted. Although anthropogenic substances in soils may prove invaluable for groundwater risk assessment, Grathwohl expresses uncertainty that soil characterization will lead to methods applicable for field predictions

Sweden, Science & research, Earth Sciences, Soot, Stockholm University, Sorbents, Gustaffsson, Orjan

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Zebrafish assay detects endocrine disrupters

Article Abstract:

Utrecht-based Netherlands Institute for Developmental Biology's researchers have developed a bioassay for estrogens by turning transgenic zebrafish into potential biosensors for estrogenic effects. The zebrafish's luciferase reporter gene is transcribed through the introduction of an estrogen-binding sequence linked to a TATA box. The technology of and future research planned for this environmental monitoring test are discussed.

Netherlands, Pollution Control R&D, Pollution control industry, Illustration, Pollution control research, Zebra fish, Zebra fishes, Environmental testing, Netherlands Institute for Developmental Biiology

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Study of the fates and effects of the Exxon Valdez oil spill on benthic sediments in two bays in Prince William Sound, Alaska. 1. study design, chemistry, and source fingerprinting

Article Abstract:

Four types of polycyclic aromatic hydrocarbons (PAH) were detected in the two bays in Prince William Sound in Alaska. High levels of weathered Alaska North Slope crude oil attributable to the Exxon Valdez oil spill is detected at sediments from the Bay of Isles. The concentration of natural petrogenic background PAH appears to increase as depth zone and sediment clay content increase.

Industrial Organic Chemicals, Cyclic Crude and Intermediate Manufacturing, Water Pollution Control R&D, Aromatic Hydrocarbons, Oil spills, Water pollution research, Prince William Sound

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