1. Chf.; Storm and Combined Sewer Tech. Branch, Natl. Envir. Res. Ctr., U.S. Envir. Protection Agency, Edison, NJ, USA
2. Staff Asst. to Dir. of Tech. Programs; Natl. Field Investigations Ctr., U.S. Envir. Protection Agency, Denver, CO, USA
3. Staff Engr.; Storm and Combined Sewer Tech. Branch, Natl. Envir. Res. Ctr., U.S. Envir. Protection Agency, Edison, NJ, USA