PERSONNEL FILE . . . The Northern Virginia Board of Realtors has installed its 1983 officers: Richard C. Purvis, vice president of Mount Vernon Realty, Inc., is the new president; Edward (Bud) Jordan, of Cardinal Realty, Inc., first vice president; Midge W. Staver, of Heritage Homes of Vienna, and Thomas M. Stevens, of Shannon and Luchs Co., vice presidents; David W. Robinson, of Long & Foster Real Estate, Inc., secretary and Rita L. Naughton, of Tatum Properties, Inc., treasurer . . . Charles Henyon has been named assistant vice president at Julien J. Studley, Inc. Henyon, who joined Studley two years ago, specializes in leasing and sales in Northern Virginia . . . United Mortgage & Investment Corp., a Washington-based mortgage banking and investment company, has promoted David I. Ginsburg to senior vice president in charge of loan production and real estate investments . . . The Northern Virginia Apartment Association is honoring leaders in its industry. Daniel Rose, of Rose Associates in New York, has been named recipient of the association's citizenship award for his role in developing the Pentagon City complex. Bert Raboy, president of Margate Management, has been named apartment manager of the year for his leadership in the field.

IN THE BUSINESS . . . Installation is complete on the 7,000-square-foot glass dome that caps the 14-story atrium of the new Vista International Hotel now under construction at 1400 M St. NW. The dome is designed to light the 120-foot atrium, which will contain a free-standing eight-story tower housing special designer suites and a lounge. The lounge, on the second floor, will be connected by walkways to two restaurants. The 413-room hotel is scheduled to open in February.