揭开PFAS在补救监管过程中的神秘面纱.pdf

1、1Demystifying PFAS in Remedial Regulatory Processes2Panelists:3Mary Cooke,Physical ScientistUSEPA Federal Facilities Restoration and Reuse OfficeDonald Sobelman,Attorney,Farella Braun and Martel LLPCal Baier-Anderson,Physical Scientist,USEPA Federal Facilities Restoration and Reuse OfficeClaire Mitc

2、hell,PE PMP AECOMDoug Paquette,Hydrologist,Brookhaven National Laboratory,DOENicole Goers,Remedial Project Manager,USEPA Region 5EPA Oversight of PFAS Remedial Investigations:EPA PFAS Federal Facility Work GroupCal Baier-AndersonEPA/OLEM/FFRROOctober 20244Challenges of Regulatory Oversight EPA RPMs

3、had immediate challenges with regulatory oversight of PFAS investigations and actions Data gaps Evolving science5PFAS Questions and the PFAS RI Work Group EPA RPMs and technical staff Problem-solving focus Identify issues Ad hoc teams Identify and share best practices6Scoping EPA concerns regarding

4、focus on AFFF Reviewed existing guidance Reviewed published literature Identified relevant uses at military/industrial sites Shared language for comments Developed best practices and expectations RPM Bulletin7Analytical Methods EPA concerns regarding the use of modified EPA methods and development o

5、f DQOs Met with chemists and lab quality experts Reviewed existing guidance Developed recommendations for data review Made available national contract to assist with review RPM Bulletin8Use of Lysimeters Lysimeters deployed at multiple sites Concerns for how data would be used Team of scientists fro

6、m OLEM and ORD White Paper to help RPMs consider how lysimeters can(and cant)be used9PFAS Five-Year ReviewsGuidance clearly indicates that new contaminants call into question the basis of the protectiveness determinationsDeveloped a review templateEstablished best practicesApply consistently10Crossw