 It had one sample site in the beryllium reflector and operated at a power level of 5 kW.In 1973 the power was increased to 20 kW and the period of unattended operation was increased from 4 hours to 18 hours.The first commercial example was started up in 1971 at AECL's Commercial Products Division in Ottawa; and in 1976 a commercial design, named SLOWPOKE-2, was installed at the University of Toronto, replacing the original SLOWPOKE-1 unit.