@article{, recid = {222795}, title = {Residual risk report to Congress. [microform] :}, publisher = {U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards,}, address = {Research Triangle Park, N.C. :}, number = {EPA-453/R-99-001}, pages = {1 v. (various pagings) :}, year = {1999}, note = {"March 1999."}, url = {http://library.usi.edu/record/222795}, }