The Environmental Protection Agency today released peer reviewed results from the first round of its own independent toxicity testing on eight oil dispersants. EPA conducted testing to ensure that decisions about ongoing dispersant use in the Gulf of Mexico continue to be grounded in the best available science. Additional testing is needed to further inform the use of dispersants.
Mandated by the US EPA , British Petroleum (BP) was ordered to reduce the amount of dispersants being utilized. "BP shall implement measures to limit the total amount of surface and subsurface dispersant applied each day to the minimum amount possible. BP shall establish an overall goal of reducing dispersant application by 75% from the maximum daily amount used...."
One of the primary dispersants been utilized is Corexit(r) 9500. NALCO, the manufacturer warns on the material data safety sheet (MSDS): "Do not get in eyes, on skin, on clothing. Do not take internally. Avoid breathing vapor. Use with adequate ventilation. In case
of contact with eyes, rinse immediately with plenty of water and seek medical advice. After contact with skin, wash immediately with plenty of soap and water."
"EPA's results indicated that none of the eight dispersants tested, including the product in use in the Gulf, displayed biologically significant endocrine disrupting activity. While the dispersant products alone – not mixed with oil - have roughly the same impact on aquatic life, JD-2000 and Corexit 9500 were generally less toxic to small fish and JD-2000 and SAF-RON GOLD were least toxic to mysid shrimp."
The EPA called for further testing. The next phase of EPA’s testing will assess the acute toxicity of multiple concentrations of Louisiana Sweet Crude Oil alone and combinations of Louisiana Sweet Crude Oil with each of the eight dispersants for two test species.
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The accident on the BNSF Railway, the fourth such explosion in North America involving crude oil trains, has fed mounting concerns over public safety as the rail industry sharply increases the use of rail to transport surging crude production in North Dakota, Texas and Colorado.
Following the latest derailment and crash, which forced the evacuation of more than 1,000 residents from the town of Casselton, the National Transportation Safety Board has launched the nation's first broad examination of the safety of moving petroleum by rail.
Trains carrying oil have multiplied across the country as environmental concerns and political maneuvering have delayed approval of a major new pipeline to transport oil to Gulf Coast refineries. The issue may be most crucial for cities in the West, which were often founded and developed by railroads so that main lines go directly through the centers of today's urban areas.
Crude oil shipments by rail have shot up 25-fold in the last several years as producers rush oil from newly developing shale fields to market. California alone has seen a fourfold increase over the last year, with current shipments of about 200,000 barrels a month.
Refinery operators this...
Following the latest derailment and crash, which forced the evacuation of more than 1,000 residents from the town of Casselton, the National Transportation Safety Board has launched the nation's first broad examination of the safety of moving petroleum by rail.
Trains carrying oil have multiplied across the country as environmental concerns and political maneuvering have delayed approval of a major new pipeline to transport oil to Gulf Coast refineries. The issue may be most crucial for cities in the West, which were often founded and developed by railroads so that main lines go directly through the centers of today's urban areas.
Crude oil shipments by rail have shot up 25-fold in the last several years as producers rush oil from newly developing shale fields to market. California alone has seen a fourfold increase over the last year, with current shipments of about 200,000 barrels a month.
Refinery operators this...



