"Today the U.S. Environmental Protection Agency (EPA) and the Department of Homeland Security (DHS) took steps to increase the transparency of the response to BP's catastrophic oil spill in the Gulf of Mexico. The oil company's actions have been criticized for failing to disclose or monitor important information about the spill, including the quantity of oil erupting into the Gulf, the potential health impacts of the oil and the chemicals used to disperse it, and water and air quality information."
"Markey Demands BP Broadcast Live Video Feed From The Source" (Froomkin/HuffPo) 
"BP Secrecy Keeps Oil-Spill Facts From Public View" (McClatchy)
"BP's Own Numbers Prove Spill Greater Than Estimate" (NPR)