Peter F. Schwartz has been appointed president of Harris Waste Management Group Inc., Peachtree City, Ga.... Clarion Sales Corp., Gardena, Calif., has named Mark Lamm national sales manager of special markets.... Oscar Tijerina has been appointed general manager of hauling at the Mexico City office of Sanifill, Houston. The company also has named Phil Trivard general manager of hauling at its Wisconsin office and Jim Stenborg a landfill engineer at the company's Virginia office.... United Waste Systems, Pittsburgh, has named Steve Callahan hauling operations manager.... John King has been appointed special projects coordinator of Superior Services, West Allis, Wis. The company also has appointed Gary Black-topp general manager of hauling in its Sheboygan, Wis., office.... Ed Ashby has been named president of Bedminster Bio Conversions, Marlton, N.J.... The Container Corp. of Carolinas, Charlotte, N.C., has appointed Monty Felix president and chief operating officer.... Gene Shepard has been named president of EDM, Houston, a subsidiary of USA Waste Services, Dallas.... Attwoods, Miami, has appointed Rich Curry regional vice president of the Eastern Waste division, Annapolis, Md..... Pierre Lachaussie has been appointed general manager of hauling at the Orange County, N.Y., office of Browning-Ferris Industries, Houston. The company also has named Juan Vargas senior engineer at its San Jose, Calif., office.... Chambers Development, Easton, Pa., has appointed Rob Smith general manager of hauling. The company also has named Ken Bernard general manager of hauling for the Richmond, Va., office.... Pat Kieta has been appointed corporate sales manager of the Hillside, Ill., office of John Sexton Contractors, Chicago. The company also has named Jeff Legg sales manager of operations in Bloomington, Ill..... Laidlaw Waste Systems, Burlington, Ontario, has appointed John Buckley landfill operations and construction manager at its Frankfort, Ky., office. Louis W. Perez has joined Norton Environmental, Independence, Ohio, as the company's vice president of sales and marketing.

Also, Jeff Mayfield has been named solid waste engineer for North Richland Hills, Texas, operations.+

The Salt River-Pima Tribal Community, Pima, Ariz., has named Stu Baker general manager of the landfill.... Diamond Waste, Macon, Ga., has appointed Steve Roberts landfill site manager.... Jamie Perrin has been named general manager of hauling at American Refuse Systems, Sanford, N.C.... Republic Waste, Atlanta, has appointed Rodney Smith operations manager of Cleveland Container Services.... Doug Lockwood has been appointed to the business development office of Riedel Environmental Services, Richmond, Calif....