Regulations.gov document: USEPA. 1991b. U.S. Environmental Protection Agency. Office of Research and Development. Health effects assessment summary tables. Annual FY-1991 Washington, DC: U.S. Environmental Protection Agency. OEER 9200.6-303 (91-1) [PHASE-III-RADS-III-D2C-134]
Regulations.gov document: USEPA. 1991b. U.S. Environmental Protection Agency. Office of Research and Development. Health effects assessment summary tables. Annual FY-1991 Washington, DC: U.S. Environmental Protection Agency. OEER 9200.6-303 (91-1) [PHASE-III-RADS-III-D2C-134] — retained record — High Signal