Completion of at least thirty (30) shifts of operating experience under the supervision of a qualified Nuclear Power Plant Operator, Second Class, within six (6) months prior to recommendation for qualification. c. Recommendation of Shift Supervisor of the shift to which individual is assigned. d. Recommendation of Shift Supervisor of the shift to which individual is not assigned. e. Recommendation by an NPPO, Second Class Qualification Board to the Officer-In-Charge of the plant concerned. f. Recommendation of the OIC of the plant concerned. Nuclear power plant operator, first class [Control Room Operator] a. Certification as an NPPO, Second Class. b. Satisfactory completion of an approved training program. Minimum requirements are: (1) Satisfactory completion of comprehensive practical training and examinations covering all aspects of the operations, maintenance, and plant safety for this level of qualification. An Operations Record will be completed for each trainee. (2) Satisfactory completion of the following operating experience within the six (6) months prior to recommendation for qualification: (a) For initial qualification, completion of at least thirty (30) shifts as a qualified NPPO, Second Class, and completion of at least thirty (30) shifts of operating experience under the supervision of a qualified NPPO, First Class. (b) For additional qualification, completion of at least fifteen (15) shifts as a qualified NPPO, Second Class, and completion of at least fifteen (15) shifts of operating experience under the supervision of a qualified NPPO, First Class. c. Recommendation of Shift Supervisor of the shift to which individual is assigned. d. Recommendation of Shift Supervisor of the shift to which individual is not assigned. e. Recommendation by an NPPO, First Class Qualification Board to the Officer-In-Charge of the plant concerned. f. Recommendation of the OIC of the plant concerned. Shift supervisor a. Certification as an NPPO, First Class of the plant concerned b. Satisfactory completion of an approved training program. Minimum requirements are: (1) Satisfactory completion of comprehensive practical training and examinations covering all aspects of the operations, maintenance, and plant safety for this level of qualification. (2) Satisfactory completion of the following operating experience within the six (6) months prior to recommendation for qualification: (a) For initial qualification, completion of at least thirty (30) shifts as a qualified NPPO, First Class, and completion of at least forty (40) shifts as a Shift Supervisor Trainee. (b) For additional qualification, completion of at least fifteen (15) shifts as a qualified NPPO, First Class,