The California Environmental Protection Agency, Office of Environmental Health Hazard Assessment, is soliciting public comment on proposed rulemaking to establish a specific regulatory level having no observable effect for one chemical, di-n-hexyl phthalate, and amend Title 22, California Code of Regulations, Section 128051. Comments are due June 30, 2008. http://www.oal.ca.gov/pdfs/notice/20z-2008.pdf pp. 735-738.