Radiological Materials Security Act

[AI summary unavailable — showing source text] Radiological Materials Security Act - Amends the Homeland Security Act of 2002 to direct the Secretary of Homeland Security to enhance domestic preparedness for and collective response to terrorism by conducting a risk assessment regarding the threat of, vulnerability to, and consequences of theft or other procurement of radiological materials that could be used by a terrorist in a radiological dispersion device. Requires the Secretary to: (1) disseminate the findings of, and specific risk information developed in, the assessment to participants in the radiological sources security system; (2) develop a classification system for information regarding radiological materials and classify the assessment under such system; (3) share the assessment with participants with appropriate clearances; (4) develop a terrorism risk self-assessment tool for facilities to ascertain risk and provide it to the Nuclear Regulatory Commission (NRC), which shall disseminate it to system facilities; (5) issue recommended practices for securing high-risk radiological materials; and (6) make available infrastructure protection grants to owners and operators of facilities with approved facility security pla…