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Arsenic in irrigated paddy soils
Natural arsenic pollution of drinking water has been reported from over 70 countries world-wide, affecting an estimated 150 million people (Ravenscroft et. al., 2008). About 50 million of these people live in Bangladesh, 30 million in India and 33 million in six other countries of south and south-east Asia. It has recently been recognised that arsenic-contaminated groundwater used for irrigation in these countries poses a serious health hazard to people eating food from the crops irrigated, and ... |
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Levels of dioxins in soil and corn tissues after 30 years of biosolids application
Detectable levels of dioxins have been reported in biosolids, but very little information is available on the effect of long-term application of biosolids on dioxins accumulation in soil and uptake by plants. We analyzed dioxins in soil and corn tissue samples from field plots after 30 continuous applications of biosolids at 0 (Control), 16.8, and 67.2 Mg biosolids ha−1 yr−1 resulting in 0, 504, and 2016 Mg ha−1 cumulative loadings of biosolids, respectively. The levels of dioxins ... |
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Remediation Products Incorporated (RPI) - Trap & Treat® BOS 200® for Petroleum Hydrocarbon
RPI has designed Trap & Treat® BOS 200® to take advantage of the natural anaerobic state of most hydrocarbon sites by promoting oxidation through a system of sulfate reduction. The material is a blend of selected micronutrients and a time-release source of sulfate within an adsorbent matrix designed to trap contaminants. Bacteria specially designed to consume hydrocarbons are added in the field. |
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Crude oil continues to be used as the principal source of energy and play an important role in the global environmental pollutant considerations. On the ...
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