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 Gary O. McEntee ................ $ 600 $ 400 November 2004 Mark H. Shipps ................. $1,800 $1,200 March 2006 Alan Ortiz ..................... $1,200 $ 800 October 2006 44