Childs, (2005) ↑ Title 30 of the Code of Federal Regulations of the United States of America — Mineral Resources. Chapter II — Minerals Management Service, Dept. of the Interior. § 250.170 Definitions for production rates, Office of the Federal Register, July 1, 1989, p. 254, retrieved 2013-03-31, Maximum Efficient Rate (MER) means the maximum sustainable daily oil or gas withdrawal rate from a reservoir which will permit economic development and depletion of that reservoir without detriment to ultimate recovery. ↑ Beveridge & Diamond PC (May 1, 2013). "New Hydraulic Fracturing Water Recycling Rules Published in Texas Register".