New Mexico Administrative Code
Title 20 - ENVIRONMENTAL PROTECTION
Chapter 2 - AIR QUALITY (STATEWIDE)
Part 74 - PERMITS - PREVENTION OF SIGNIFICANT DETERIORATION (PSD)
Section 20.2.74.306 - MONITORING REQUIREMENTS

Universal Citation: 20 NM Admin Code 20.2.74.306

Current through Register Vol. 35, No. 18, September 24, 2024

A. Any application for a permit under this part shall contain an analysis of ambient air quality. Air quality data can be that measured by the applicant or that available from a government agency in the area affected by the major stationary source or major modification. The analysis shall contain the following:

(1) for a major stationary source, each pollutant for which the potential to emit is equal to or greater than the significant emission rates as listed in Table 2 of this part (20.2.74.502 NMAC); or

(2) for a major modification, each pollutant that would result in a significant net emission increase.

B. If no national ambient air quality standard (NAAQS) for a pollutant exists, and there is an acceptable method for monitoring that pollutant, the analysis shall contain such air quality monitoring data as the department determines is necessary to assess ambient air quality for that pollutant.

C. Continuous air quality monitoring data shall be required for all pollutants for which a national ambient air quality standard exists. Such data shall be submitted to the department for at least the one (1) year period prior to receipt of the permit application. The department has the discretion to:

(1) determine that a complete and adequate analysis can be accomplished with monitoring data gathered over a period shorter than one year but not less than four months; or

(2) determine that existing air quality monitoring data is representative of air quality in the affected area and accept such data in lieu of additional monitoring by the applicant.

D. Ozone monitoring shall be performed if monitoring data is required for volatile organic compounds. Post construction ozone monitoring data may be submitted in lieu of providing preconstruction data as required under Subsection C of 20.2.74.306 NMAC if the owner or operator of the proposed major source or major modification satisfies all the provisions of 40 CFR Part 51, Appendix S, Section IV.

E. The department may require monitoring of visibility in any Class I federal area where the department determines that an adverse impact on visibility may occur due primarily to the operations of the proposed new source or modification. Such monitoring shall be conducted following procedures approved by the department and subject to the following:

(1) visibility monitoring methods specified by the department shall be reasonably available and not require any research and development; and

(2) the cost of visibility monitoring required by the department shall not exceed fifty percent (50%) of the cost of ambient monitoring required by this part; if ambient monitoring is not required, the cost shall be estimated as if it were required for each pollutant to which this part applies;

(3) both preconstruction and post construction visibility monitoring may be required; in each case, the duration of such monitoring shall not exceed one (1) year.

F. The owner or operator of a major stationary source or major modification shall conduct post construction ambient monitoring as the department determines is necessary to validate attainment of ambient air quality standards and to assure that increments are not exceeded.

G. The owner or operator of a major stationary source or major modification shall meet the requirements of 40 CFR 58, Appendix B during the operation of monitoring stations for purposes of satisfying the requirements of this section.

H. The department has the discretion to exempt a stationary source or modification from the requirements of this section with respect to monitoring for a particular pollutant if the emissions of the pollutant from the new source or the net emissions increase of the pollutant from the modification would cause, in any area, increases in ambient concentrations less than the levels listed in Table 3 of this part (20.2.74.503 NMAC).

I. The department shall exempt a stationary source or modification from the requirements of this section with respect to preconstruction monitoring for a particular pollutant if:

(1) for ozone, volatile organic compound emissions are less than one hundred (100) tons per year; or

(2) the air pollutant is not a regulated pollutant; or

(3) the existing ambient concentrations of the pollutant in the area that the source or modification would affect are less than the concentrations listed in Table 3 of this part (20.2.74.503 NMAC); or

(4) the pollutant is not listed in Table 3 of this part (20.2.74.503 NMAC).

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