A beaming Mike Cole of BOC Edwards proudly shows an environmental excellence certificate presented by the Commonwealth of Massachusetts at the company's plant in March. Tara Cloakley, an assistant from State Representative James Miceli's office, stands beside Cole, who is president of the company's vacuum technology group. The Executive Office of Environmental Affairs and the Massachusetts Department of Environmental Protection recognized the business unit for voluntarily adopting a zero-discharge wastewater recovery system. The agencies also acknowledged CASTion of Ludlow, MA, which developed the system with support from Massachusetts's Strategic Environmental Technology Partnership. The program was established to foster environmentally benign business practices.