Environmental control, the other top priority of the New York State program, will be the topic of a second series of workshops in three locations in New York State, March 31, April 7 and April 10. The workshops will be conducted by building technology consultant William P. Lull. He will discuss the practical aspects of planning for a new system or improving existing conditions in an old building in light of political, fiscal and physical constraints. Registration fee $5.00; preference given to New York state residents. Call Mrs. McPeters at the above number.