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In accordance with Technical Specification 3.3.7, Control Room Emergency Ventilation System (CREVS) Actuation Instrumentation, Table 3.3.7-1, the required channels operable for the Control Room Radiation Control Room Air intakes is two (2). If the number of OPERABLE channels is one less than MINIMUM, the required action specifies that the operator place one train of Control Room Emergency Ventilation System in the CRVIS mode within 7 days.IF NO channels are OPERABLE, then in one hour:

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