EXHIBIT 10.6 STOCK REPURCHASE AGREEMENT This Stock Repurchase Agreement (this "Agreement") is made and entered into as of the 16th day of February, 2007 between CET Services, Inc., a California corporation (the "Company"), and Steven H. Davis, and...Stock Repurchase Agreement • March 9th, 2007 • Cet Services Inc • Hazardous waste management • Colorado
