N.M. Code R. § 20.2.31.114
Instruments and sampling systems installed and used pursuant to 20.2.31.112 NMAC, shall be operated, installed and maintained in accordance with the performance specifications and other requirements set forth by the US EPA in 40 CFR Part 60, Appendix B. In the event of significant breakdown of the monitoring system, the owner or operator shall demonstrate to the Department after the repair work that the system continues to meet the applicable performance specifications. The Department may require the owner or operator to conduct a performance test of the equipment as specified in 40 CFR, Part 60, Appendix B, but not more frequently than once per year unless the Department has reason to believe that the continuous monitoring equipment is not operating within the applicable performance specifications. The Department may approve alternate means of verifying the performance of the continuous monitoring system. The Department may also perform independent audit on the continuous monitoring system utilizing the method specified in 20.2.31.111 NMAC.
N.M. Code R. § 20.2.31.114