In vitro soil Pb solubility in the presence of hydroxyapatite

Article Abstract:

Hydroxyapatite has been found to be an effective and economic in-situ immobilization strategy for lead pollution as it helps in transforming the bioavailable lead into pyromorphite. The study however, finds that soluble lead concentration is dependent on chloropyromorphite solubility and thus makes certain site conditions important factors in determining in-situ immobilization decisions.

Refuse systems, Solid Waste Collection, Industrial Solid Waste, Analysis, Environmental aspects, Control, Soil pollution, Soil chemistry, Industrial solid wastes

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Lead from Carthaginian and Roman Spanish mines isotopically identified in Greenland ice dated from 600 B.C. to 300 A.D

Article Abstract:

Studies reveal that early large-scale atmospheric pollution of lead from 600 BC to 300 AD as evidenced by the high concentration of lead from Carthaginian and Roman Spanish mines in ancient Greenland ice. A depression in 206Pb/207 Pb ratio between the two time periods with lead concentration of as low as 0.9 pg/g was measured.

Research and Development in the Physical, Engineering, and Life Sciences, Air Pollution Control R&D, Research, Greenland, Air pollution, Air pollution research, Pollution control research

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