ASKS INVESTIGATION—JUNEAU (jP) — Gov. Egan has been asked by ^he Legislative Audit Committee to determine if new proposals should be asked for the concession operation in the Alaska exhibit at the New York World’s Fair.The request went to the governor with the committee’s report pointing up several irregularities in the handling of the concession contract negotiations by the state Department of Economic Development and Planning.The contract was awarded . last December to the Alaska Arts and Crafts Corp., headed by Jack Anderson of Anchor-