The Stationary Low Power Reactor No. 1 (SL-1) was a boiling water reactor demonstration plant for the remote military bases. The plant had been operated by Combustion Engineering, Inc. from February, 1959 until January 3, 1961 at which time a nuclear excursion rendered the plant inoperable. This report summarizes the operations of maintenance, test, health and safety, and administrative activities for the year February, 1960 until the incident. This report is written in compliance with U.S. Atomic Energy Commission Contract AT(10-1)-967.