1. A. For non-trading large NO_x units subject to this chapter, the owner or operator shall:

   1. (1) Continuously monitor NO_x emissions with a CEM system in accordance with 40 CFR Part 75, Subpart H and 40 CFR §51.121(i)(4); and
   2. (2) Maintain records and submit reports regarding NO_x emissions in accordance with 40 CFR Part 75.
2. B. The owner or operator of a non-trading large NO_x unit subject to this regulation shall include emissions data obtained from a CEM system pursuant to §A of this regulation in the CEM quarterly reports submitted to the Department pursuant to COMAR 26.11.01.11E(2).

Authority: Environment Article, §§1-404, 2-103, and 2-301—2-303, Annotated Code of Maryland

Effective date: April 23, 2018 (45:8 Md. R. 422)

Regulation .02A, C amended effective April 15, 2024 (50:7 Md. R. 334)

Regulation .03B amended effective April 15, 2024 (50:7 Md. R. 334)