1. Belinsky, S.A., Foley, J.F., White, C.M., Anderson, M.W., and Maronpot, R.R., 1990, Dose-response relationship between O6-methylguanine formation in Clara cells and induction of pulmonary neoplasia in the rat by 4-(meraymitrosamino)-l-(3-pyridyl)-l-butanone, Cancer Res. 50:3772.
2. Casanova, M., Deyo, D.F., and Heck, H. d’A., 1989, Covalent binding of inhaled formaldehyde to DNA in the nasal mucosa of Fischer-344 rats: Analysis of formaldehyde and DNA by high-performance liquid chromatography and provisional pharmacokinetic interpretation, Fundam. Appl. Toxicol. 12:397.
3. EPA, 1987, “The Risk Assessment Guidelines of 1986,” [EPA/600/8–87/045], Office of Health and Environmental Assessment, United States Environmental Protection Agency, Washington, DC. (also available in Federal Register 51:33992–34054.)
4. EPA, 1991a, “ORD Health Biomarkers Program: Research Strategy Document,” [EPA/600/9–91/009], Office of Research and Development, United States Environmental Protection Agency, Washington, DC.
5. EPA, 1991b, “Formaldehyde Risk Assessment Update (Draft dated June 11, 1991),” Office of Toxic Substances, United States Environmental Protection Agency, Washington, DC.