Required Programs

(1) Each owner and operator subject to 310 CMR 30.660 shall conduct a monitoring and response program as follows: (a) Whenever those hazardous constituents specified pursuant to 310 CMR 30.666 are detected at a compliance point described in 310 CMR 30.669, the owner or operator shall institute a compliance monitoring program pursuant to 310 CMR 30.671 unless the Department determines that such constituents originated from another source. Detected is defined as statistically significant evidence of increased contamination as described in 310 CMR 30.664(6). (b) Whenever a requirement of 310 CMR 30.665: Groundwater Protection Standard is not complied with, the owner or operator shall institute a corrective action program pursuant to 310 CMR 30.672. (c) Whenever those hazardous constituents specified pursuant to 310 CMR 30.666 exceed concentration limits specified pursuant to 310 CMR 30.667 in groundwater between a compliance point specified pursuant to 310 CMR 30.669 and the downgradient facility property boundary, the owner or operator shall institute a corrective action program pursuant to 310 CMR 30.672, unless the Department determines that such constituents originated from another source. Exceeded is defined as statistically significant evidence of increased contamination as described in 310 CMR 30.671(4). (d) In all other cases, the owner or operator shall institute a detection monitoring program pursuant to 310 CMR 30.664. (2) In the facility license, the Department shall specify the specific elements of the monitoring and response program. The Department may include one or more of the programs identified in 310 CMR 30.662(1) in the facility license and shall specify the circumstances under which each such program shall be required.