N.M. Code R. § 20.2.7.114
ROOT CAUSE AND CORRECTIVE ACTION ANALYSIS.
A. The owner or operator of a source having an excess emission, upon written request of the department, shall prepare an analysis that uses appropriate analytical tools and contains the following information.
(1) an analysis describing the root cause and all contributing causes of the excess emission;
(2) an analysis of the corrective actions implemented or available to reduce the likelihood of a recurrence of the excess emission resulting from the causes identified under Paragraph (1) of Subsection A of 20.2.7.114 NMAC, including, as applicable:
(a) identification of implemented or available corrective action alternatives, such as changes in design, operation and maintenance;
(b) the estimated cost associated with each corrective action alternative;
(c) the probable effectiveness of each corrective action alternative;
(d) if no corrective action alternatives are available, a clear explanation providing an adequate justification for that conclusion; and
(e) if one or more corrective actions are identified, a schedule for implementation and progress reports.
[20.2.7.114 NMAC - N, 08/01/08]