Exhibit 10.4 ------------ EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT is made as of this 10th day of April, 1997, between Envirogen, Inc., a Delaware corporation ("Envirogen"), and Richard W. Schowengerdt (the "Executive"). WHEREAS, Envirogen,...Employment Agreement • August 13th, 1997 • Envirogen Inc • Hazardous waste management • New Jersey
Exhibit 10.1 EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT is made as of this 10th day of April, 1997, between Envirogen, Inc., a Delaware corporation ("Envirogen"), and William C. Smith (the "Executive"). WHEREAS, Envirogen, Fluid Management, Inc.,...Employment Agreement • August 13th, 1997 • Envirogen Inc • Hazardous waste management • New Jersey
Exhibit 10.3 ------------ EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT is made as of this 10th day of April, 1997, between Envirogen, Inc., a Delaware corporation ("Envirogen"), and Gary W. Hawk (the "Executive"). WHEREAS, Envirogen, Fluid...Employment Agreement • August 13th, 1997 • Envirogen Inc • Hazardous waste management • New Jersey
