SITE INFORMATION AND CORRESPONDENCE_1993-2003

Home Browse Search

operable Unit 2 ARARs -4- 24 May 1993 DDRW, Sharpe 2. The following are the specific Articles or sections of Chapter 15 that must be satisfied by remedial actions at sites not involving landfills: a. Article 1 - General : Section 2511(d) - Exemptions: This section requires that cleanup and abatement actions intended to contain wastes at the place of release are to implement the applicable provisions of Chapter 15, to the extent feasible. This is an applicable requirement with respect to any source contaminant areas. b. Article 5 - Water Quality Monitoring and Response Program for Waste Management Units: Section 2550.12 - Corrective Action Where Hazardous Waste Has Been Discharged At Areas Other Than Waste Management Units: This section establishes that corrective action must be taken at all sites with a release of hazardous waste or hazardous constituents from any area at the facility other than a waste management unit. This section is applicable to any source contaminant areas. Section 2550. 10 - Corrective Action Program: This section requires corrective action be taken to remediate releases of hazardous waste or hazardous constituents. The cleanup will be based on water quality protection standards (Section 2550.2(a) ) . A monitoring program should be established to demonstrate the effectiveness of the corrective action. This section is applicable to any source contaminant areas. Section 2550.2(a) - Water Quality Protection Standard: This section requires the establishment of water quality protection standards. This section is applicable to any source contaminant areas. Section 2550.3 - Constituents of Cdncern: This section requires that the Regional Board specify the constituents of concern to which the water quality protection standards will apply. "Constituents of concern are the waste constituents, reaction products, constituents that are reasonably expected to be in or derived from" discharges that may impact ground water. This section is applicable to any source contaminant areas. Section 2550.4 - Concentration Limits: This section establishes the method to determine cleanup standards. Background concentrations are established as the starting point in determining cleanup levels. The levels may only be raised above background if cleanup to background is technologically and economically not feasible, and will not result in excessive exposure to sensitive biological receptor. This section is applicable to any source contaminant areas.