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About JAS Environmental, Inc.


JAS Environmental, Inc. is a environmental consulting firm started
in 2001 by Jeffrey A. Stofferahn.  


  • Mr. Stofferahn brings over 35 years of experience as a consultant and regulator to address the specific needs of each client. He has extensive experience in performing site investigations, remedial planning and oversight, environmental compliance assessments, permitting and planning for a wide variety of private and governmental clients, as well as managing complex projects with multi-disciplinary teams of professionals.  His experience allows him to translate complex technical and regulatory problems into understandable, real-world solutions for his clients.

  • Mr. Stofferahn began his career in 1979 working for the Illinois EPA, and spent several years working under a dedicated contract providing technical assistance to U.S.EPA’s Emergency Response Group.   Between 1986 and 2000 he worked for a number of private consulting firms, consulting to a wide variety of industrial clients.

  • JAS Environmental maintains a broad network of service providers and other consultants from which the right team can be assembled to address a wide array of  environmental consulting and service needs.  Mr. Stofferahn is often called upon to provided specialized technical assistance to other environmental consultants and contractors to meet specific client needs.

  • JAS Environmental is committed to providing personalized consulting services to its clients. As the Principal of the firm, every project is personally managed by Mr. Stofferahn

  • JAS Environmental is located in northern Illinois, and provides consulting services to clients located throughout the United States.  While we do not offer services internationally, we would be happy to make a referral to other firms that do.

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