The Air Conditioning Contractors of America-National Capital Chapter (ACCA-NCC) is sponsoring a Backflow Certification course that includes classroom instruction and a wet lab. It meets the requirements for backflow certification of Maryland, the Washington Suburban Sanitary Commission (WSSC), and Virginia.

The course will be held Nov. 12-14 in Beltsville, Md., and Dec. 3-5 in Annapolis, Md. The cost is $450 for ACCA members ($600 non-members).

For more information, call 301-384-2222 or e-mail

Publication date: 11/01/2004