For more information on Optimization, please contact:

The EPA typically performs optimization reviews using a small team of individuals with expertise in complimentary fields, including environmental, chemical and process engineering, hydrogeology and other remediation disciplines. In addition, the team may solicit advice from other experts, including, but not limited to, chemists, geochemists, geologists, hydrologists, biologists, toxicologists, risk assessors, cost estimators and regulatory experts. Teams may consist of EPA staff, private contractors and staff from the U.S. Army Corps of Engineers. In all cases, the individuals on the review team are independent of the site. A conflict of interest (COI) screen must be passed to deploy contractor staff to an optimization support site.

EPA Headquarter Optimization Leads

Following are EPA Headquarter Optimization Leads who can be contacted directly in regard to questions and additional information on optimization reviews.

Kirby Biggs	biggs.kirby@epa.gov
Nate Barlet	barlet.nathan@epa.gov
Amanda VanEpps	vanepps.amanda@epa.gov
Rafael Hernandez	hernandez.rafael@epa.gov

EPA Regional Optimization Liaisons

The EPA has Optimization Liaisons and Superfund Technical Liaisons (STL) within each of the EPA Regions who assist with optimization evaluation efforts by: 

• Serving as advocates for optimization in their respective regions.
• Working with Regional staff and managers to identify candidate sites for optimization and in prioritizing sites, if necessary.
• Participating in site-specific optimization reviews, as appropriate.
• Assisting Regional Project Managers (RPM) during implementation of optimization recommendations, as appropriate.
• Participating in annual tracking/reporting of recommendations implementation.
• Conducting a check-in at each site within their respective Regions to help keep implementation efforts on track.

The following EPA Regional Optimization Liaisons and STLs may be contacted directly regarding optimization review questions and support:

Region 1	Derrick Golden	golden.derrick@epa.gov
Region 1	Kimberly White	white.kimberly@epa.gov
Region 2	Diana Cutt (STL)	cutt.diana@epa.gov
Region 2	Jeff Josephson	josephson.jeff@epa.gov
Region 3	Ayowale (Wale) Ayodele	ayodele.ayowale@epa.gov
Region 4	Rusty Kestle	kestle.rusty@epa.gov
Region 5	Nabil Fayoumi	Fayoumi.nabil@epa.gov
Region 6	Nathaniel Applegate	applegate.nathaniel@epa.gov
Region 6	Nichole Foster	foster.nichole@epa.gov
Region 7	Trenton Chriestenson	chriestenson.trenton@epa.gov
Region 7	Rob Weber (STL)	weber.robert@epa.gov
Region 8	Steve Dyment	dyment.stephen@epa.gov
Region 8	Ian Bowen	bowen.ian@epa.gov
Region 9	Sharissa Singh	Singh.Sharissa@epa.gov
Region 10	Rebecca Feldman	feldman.rebecca.c@epa.gov

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