2014 Mine Rescue Statements of Fact Questions taken from statements 1-50 of the 2014 revised Statements of Fact Progress Indicator: Question 4 of 25 4.  In accordance with 30 CFR §49.6(b)(3), “Mine rescue apparatus and equipment shall be maintained in a manner that will ensure readiness for immediate use. The certification and the record of corrective action shall be maintained at the mine rescue station for a period of _____ and made available on request to an authorized representative of the Secretary.” Choices: three months six months one year five years