EXHIBIT 2.1 AMENDMENT NO. 1 TO AGREEMENT AND PLAN OF MERGER DATED AS OF MAY 8, 2008 THIS AMENDMENT NO. 1 to Agreement and Plan of Merger is made and entered into this 9th day of July, 2008, by and among BIOMEDICAL TECHNOLOGY SOLUTIONS, INC., a...Agreement and Plan of Merger • July 9th, 2008 • Cet Services Inc • Hazardous waste management
