Section 40.1004 - Performance Standards for Permanent and Temporary Solutions(1) A Permanent or Temporary Solution shall be supported by assessments and evaluations conducted pursuant to 310 CMR 40.0000 which: (a) are of sufficient scope, detail, and level of effort to characterize the risk of harm to health, safety, public welfare and the environment posed by the site or disposal site pursuant to 310 CMR 40.0900;(b) are consistent with the Response Action Performance Standard described in 310 CMR 40.0191;(c) are commensurate with the nature and extent of the release or threat of release and complexity of site conditions;(d) demonstrate that all requirements of the applicable Permanent or Temporary Solution pursuant to 310 CMR 40.1000 have been met; and(e) conform with applicable requirements and procedures for conducting response actions specified in 310 CMR 40.0000.Amended by Mass Register Issue 1407, eff. 12/27/2019.Amended by Mass Register Issue 1503, eff. 3/1/2024.Amended by Mass Register Issue S1516, eff. 3/1/2024.