Republic of the Marshall Islands Supplemental Nuclear Compensation Act of 2011

[AI summary unavailable — showing source text] Republic of the Marshall Islands Supplemental Nuclear Compensation Act of 2011 - Amends the Compact of Free Association Amendments Act of 2003 to direct the Secretary of Energy (DOE) to periodically conduct: (1) a visual study of the concrete exterior of the Cactus Crater containment structure on Runit Island, and (2) a radiochemical analysis of the groundwater surrounding and in the Cactus Crater containment structure on Runit Island. Makes specified funds available to conduct such radiochemical groundwater analysis. Amends the Energy Employees Occupational Illness Compensation Program Act of 2000 to include a citizen or national of the Republic of the Marshall Islands or the Federated States of Micronesia within the definitions of "covered employee," "atomic weapons employee," and "Department of Energy contractor employee." Reduces compensation awarded to an individual under such Act who also received compensation under the Compact of Free Association between the United States and the Republic of the Marshall Islands for the same illness by any compensation received under such Compact, other than medical benefits and benefits for vocational rehabilit…