This action finalizes the residual risk and technology review (RTR) conducted for the Lime Manufacturing source category regulated under national emission standards for hazardous air pollutants (NESHAP). In addition, we are taking final action addressing periods of startup, shutdown, and malfunction (SSM). These final amendments include new provisions requiring electronic reporting. We are finalizing our proposed determination that the risks are acceptable and that the current NESHAP provides an ample margin of safety to protect public health. We determined that there are no developments in practices, processes, or control technologies that necessitate revisions to the standards.