Except as otherwise provided, this chapter applies to persons engaged in the construction and operation of composting facilities. Facilities that compost only natural wood waste are subject to the requirements in COMAR 26.04.09. Tier 3 composting facilities are subject to the requirements in: COMAR 26.04.06, for facilities composting sewage sludge; or COMAR 26.04.07, for facilities composting solid waste. In addition to the Composting Facility Permit required in Regulation .05B or .06B of this chapter, composting facilities may be subject to permit requirements under: COMAR 26.08.01—.04, relating to State and National Pollutant Discharge Elimination System (NPDES) discharge permits; and COMAR 26.11.02, relating to air quality permits.