Section 254.43 - Maintenance and periodic inspection of response equipment(a) You must ensure that the response equipment listed in your OSRP is inspected at least monthly and is maintained, as necessary, to ensure optimal performance.(b) You must ensure that records of the inspections and the maintenance activities are kept for at least 2 years and are made available to any authorized BSEE representative upon request. 76 FR 64462 , Oct. 18, 2011, as amended at 81 FR 36153 , June 6, 2016