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Inorganic mercury converted to more toxic and bio-accumulative monomethylmercury in ocean waters, possibly by microbes

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Lead U of A researcher Igor Lehnherr says the greatest exposure to monomethylmercury for humans is through the consumption of marine-based foods. The conversion of inorganic mercury to monomethyl mercury accounts for approximately 50 per cent of this neurotoxin present in polar marine waters. Louis, Holger Hintelmann, Jane L.

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EPA awards $8M in FY2014 clean diesel grants in 21 states, Puerto Rico

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The grants will fund projects such as retrofitting older school buses to improve air quality for children riding to school, upgrading marine propulsion and agriculture engines, and replacing long haul truck engines. Delaware River and Bay Authority is repowering two Tier 0 marine propulsion engines in one vessel with Tier 3 engines.