EXHIBIT 10.3 EMCON SALARY CONTINUATION PLAN PARTICIPANTS Monthly Payments -------------------------------------- Salary Date Payments Participant Continuation Non-compete Commence - - --------------------------------- -------------------- ----------------- --------------------------------- Thorley D. Briggs $1,800 $1,200 January 1993 $1,200 $ 800 July 1993 John G. Pacey -0- $1,080 January 1993 Donald R. Andres $1,800 $1,200 January 1993 Richard J. Leach -0- $ 819 January 1993 Fred W. Cope $ 600 $ 400 January 1994 Robert E. Van Heuit -0- $ 400 January 1994 H. Randolph Sweet $1,350 $ 900 April 1997 Eugene M. Herson $1,800 $1,200 November 2000 $2,700 $1,800 November 2004 R. Michael Momboisse $ 600 $ 400 January 2003 $1,200 $ 800 November 2004 $ 600 $ 400 November 2006 $ 600 $ 400 July 2007 Gary O. McEntee $ 600 $ 400 November 2004 76