Regulations.gov document: U.S. Environmental Protection Agency, ODW, Criteria and Standards Division. Technologies and Costs for the Removal of Fluoride from Potable Water Supplies. May 25, 1984. Updated Sep. 10, 1985 and Feb., 1986. 169 pp. [PHASE-IIA-V-C1-1] — retained record — High Signal
Regulations.gov document: U.S. Environmental Protection Agency, ODW, Criteria and Standards Division. Technologies and Costs for the Removal of Fluoride from Potable Water Supplies. May 25, 1984. Updated Sep. 10, 1985 and Feb., 1986. 169 pp. [PHASE-IIA-V-C1-1]