The Nuclear Regulatory Commission officially put the San Onofre Nuclear Generating Station in a mode of regulatory stasis Sept. 4. It plans to monitor ongoing effects from the closed facility, like radiation measures, but is no longer set for active oversight because the plant is not in service. The facility--inoperative for eight months--is in an unusual regulatory limbo. \u201cOne other plant, Crystal River,\u201d is in the same predicament, Nuclear Regulatory Commission spokesperson Victor Dricks said. That plant, he added, has cracks in its containment building. Federal regulators note that San Onofre\u2019s problem stems from a single \u201ccomplicated technical issue\u201d--extreme wear on its nearly new steam generators--and not considered the fault of \u201cwidespread performance issues.\u201d Although the plant is shut down, highly radioactive spent fuel and other waste remain on site. Despite its indeterminate operational mode, federal regulators noted they continue test the plant\u2019s cooling systems. If coolant is lost, radioactive parts may overheat, with the potential of toxic releases. While still checking on documentation from the facility, regulators are evaluating San Onofre employees\u2019 response to the shutdown in the agency\u2019s oversight role, according to Dricks.