Sanitary Sewer Remediation, Interim Response Action, Final Alternatives Assessment, Version 3.2.

摘要

The primary objective of this interim response action is to prevent the potential spread of contamination via the sanitary sewer system. The sources of this contamination are (1) contaminated ground water that has infiltrated into the system or (2) contaminated surface water runoff that has entered the system as inflow. The alternatives assessment discusses: (1) Objectives and assessment criteria for the IRA alternatives; (2) Configuration of the sanitary sewer; (3) Priority segments for remediation; (4) IRA alternatives; (5)Evaluation of the alternatives; (6) Preferred technology for each area served by the sewer; and (7)ARAR's. Comments and responses are found in the appendix.