Groundwater Protection Standard.

5. The owner or operator has been conducting a compliance monitoring program pursuant to 310 CMR 30.671 or a corrective action program pursuant to 310 CMR 30.672 and the compliance period ends, in which case the license modification shall include a detection monitoring program meeting the requirements of 310 CMR 30.664. 6. A license requires a compliance monitoring program pursuant to 310 CMR 30.671 and monitoring data collected indicates that the facility is not meeting the requirements of 310 CMR 30.665: Groundwater Protection Standard. 7. A land treatment unit is not achieving complete treatment of hazardous contituents. (b) Suitability of the facility location shall not be considered at the time of license modification unless new information or standards indicate that a threat to public health, safety, or welfare, or the environment exists which was unknown or not understood at the time of license issuance. (c) If a license modification is requested by the licensee, the Department shall approve or deny the request according to the procedures set forth in 310 CMR 30.852.