Mar 26, 2013

Tar-sands & Oil Shale Proposed Land Management Rule - #Energy #News

Mar 26, 2013 — Oil Shale Management - General — Proposed Rule — Land Management Bureau
Agency (EPA) under laws that govern hazardous or toxic substances. Such risk assessments characterize the probability of adverse effects from exposure to environmental stressors and differ from the proposed UER standard in that they are quantitative characterizations derived from scientific processes that use statistical and biological models to calculate numerical estimates of ecological and health risks. See Office of Emergency and Remedial Response, U.S. EPA, Risk Assessment Guidance for Super... Read full at: