Is emergency assessments programs, (pollution prevention plans, emergency procedures, etc.) contain information current and correct? Is scenarios included in them reflect the real risks in relation to relevant sites? Is the alleged readiness will stand the test of reality at environmental events occurances? Do authorities read in advance the emergency programs, understand the content and aware of the depth of the information contained in them? Are managers in corporations, signatories of these programs, are aware of the contents and implications of their signatures? Is there obligation to transfer the content of the report and review the files by the public, as part of freedom of information and transparency which is reflected in the existing environmental legislation? The article deals with these issues with an insight to the the environmental / safety disaster which occurred at the drilling rig in the Gulf of Mexico in 2010.