Dirksen Senate Office Building. on Public Health Categorical Programs (second day). Tuesday. March 31 at 9:30 am. in room 4232. Dirksen Senate Office Building. on Family Planning. Wednesday. April 1 at 9:30 a.m. in room 4232. Dirksen Senate Office Building. on Adolescent Pregnancy. Wednesday. April 8 at 9:30 a..m. In room 4232. Dirksen Senate Office Building. on Health Maintenance Organizations. Wednesday. April 22 at 9:30 a.m. in room 4232. Dirksen Senate Office Building. on Community/Migrant Health Centers and National Health Service Corps. Persons wishing to testify or submit written statements. please contact: Phyllis Brown or Judy Stefanki. 2243191. 4228 Dirksen Senate Office Building. of the committee staff. Mr.