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The EPA is pursuing a regulatory change to update the available options for extraction methods for PCBs. The agency will analyze the available information and request public comment on the extraction efficiency of other currently available PCB extraction methods in solid matrices (e.g. Automated Soxhlet Extraction (EPA Method 3541), Microwave Extraction (EPA Method 3546), Pressurized Fluid Extraction (EPA Method 3545A)), to inform the agency's decision-making on the inclusion of additional extraction methods in the PCB regulations. The EPA also plans to propose to update the available determinative methods, amend the performance-based disposal option for PCB remediation waste, remove the option to dispose of certain PCB bulk product waste in roadbed, add of regulatory flexibility for management of PCB waste in emergency situations and harmonize the general disposal requirements for PCB remediation waste. In addition, the agency is developing supplemental amendments that will improve the implementation of the regulations, clarify ambiguity, and correct technical errors.