WASHINGTON, June 20 -- The U.S. Department of Housing and Urban Development announced that it expects to award up to 13 cooperative agreements for the improvement of residential environmental hazard interventions. The agency description of the cooperative agreement states: "HUD is funding studies to improve HUD's and the public's knowledge of housing-related health and safety hazards and to improve or develop new hazard assessment and control methods, with a focus on lead and other key resident more ST