Leaders About Us


Meet ERC. Here are just a few of the people you may encounter while working with ERC. There are many more who will work together to make your goals come to fruition.

  • Richard L. Middleton


    Rick founded Lancaster Oil Company, now Environmental Recovery Corporation, in 1988. With Rick's oversight the company has grown from a small water/oil recycling center to a full-service environmental corporation with a reputation for superior customer service. Rick's strategic vision for the future continues to drive the company's strong growth.

  • Kenneth D. Lefever


    Ken joined Environmental Recovery Corporation in 2010 with over 8 years of management experience with the second-largest waste company in the U.S. and over 18 years of leading growth-oriented companies. His unique understanding of finance, sales, operations, and technology keeps ERC on the cutting edge of the environmental industry.

  • Peter C. Haiges

    VP of Operations

    Pete brings over 10 years of experience in sales and operations management. He brings attention to detail and a clear view of the "big picture” to the forefront of our growing operation. He continually focuses on improving our service to better assist our customers.

  • Kevin L. Rohrbach

    VP of Sales & Marketing

    Kevin joined ERC in 2013 with over 10 years of sales, marketing, and management experience with the largest solid waste company in the U.S.  Kevin and his team specialize in residual and solid waste management, landfill diversion, recycling, waste-to-energy, and organics. Customers know they can depend on Kevin and his team for fast turnarounds, reliable service, and professionalism.


  • R. Michael Mulrine

    Environmental Manager

    Mike came to ERC with 21 solid years in the residual and hazardous waste industries. Mike's depth of knowledge of environmental regulations and his management of our premier DEP-certified lab facility ensures a high standard of accurate testing and treatment of material at ERC.


  • Kermit L. Burkholder

    Director of R&D

    Kermit came to work for ERC in September of 1989, with his highly recognized skills as a chemist and extensive knowledge of engineering processes. Kermit directs our processing innovations and heads our product development center. In the over 20 years Kermit has been with us, he has provided us with invaluable technology.

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