EXHIBIT 10.56 FORM OF MANAGEMENT INCENTIVE PLAN PARTICIPATION AGREEMENT OFFERED TO THE FOLLOWING KEY EMPLOYEES ON FEBRUARY 11, 2003: KEY EMPLOYEE POOL % ------------ STEPHAN ANTHONY ROMANO 43.956% JAMES RANDALL BAUMGARDNER 17.5824% JOHN SCOTT...Management Incentive Plan Participation Agreement • February 18th, 2003 • American Ecology Corp • Refuse systems
