Soil & Groundwater Newsletter
March 12, 2009

This Week´s Featured News Stories
Oil at “remediated” sites as Chevron’s motion to delay US$27bn trial rejected
As part of a last-ditch effort to delay a final decision in the world’s largest environmental trial, additional soil testing demanded by Chevron backfired Tuesday when waste pits in Ecuador’s Amazon jungle that the company claimed to have “cleaned” a decade ago revealed large amounts of oil clearly visible to the naked eye. The final series of tests of Chevron oil production sites, scheduled to be completed by the end of March, will clear the way for a court decision on a US$27 billion damages claim against the company, said Julio Prieto, a lawyer for the 30,000 Amazon residents who have sued ...
Soil and sediment contamination assessment more accurate, says researcher
Prolonged exposure of soil and sediment invertebrates to toxic Polycyclic Aromatic Compounds (PACs) has large and unpredictable effects on the life cycle of these species, concludes Dutch researcher Miriam León Paumen. These chronic effects can be very different from the effects of short-term exposure to PACs. Therefore, assessments of soil and sediment contamination are more reliable when they are based on the effects of prolonged exposure of soil and sediment fauna to toxic substances. The effects of Polycyclic Aromatic Compounds (PACs) on terrestrial and benthic invertebrates are used to ...
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