This bill modifies how the Department of Veterans Affairs handles disability claims related to toxic exposure. It changes the standard the VA must use when deciding whether to require a medical examination for veterans claiming disability compensation, shifting from whether evidence is "sufficient to establish service connection" to whether evidence contains "sufficient medical evidence for the Secretary to make a decision." The legislation also clarifies that certain exposure tracking records should indicate when veterans were subject to toxic exposure. The bill affects veterans filing disability claims related to toxic exposures and aims to improve the examination process by making it easier for veterans to obtain medical evaluations needed to support their claims. No specific funding amounts or implementation timelines are included in the legislation.