§ 52.2497 Significant deterioration of air quality.
(a) The requirements of sections 160 through 165 of the Clean Air Act are not fully met because the plan does not include approvable procedures for preventing the significant deterioration of air quality from:
(1) Facilities with carbon dioxide (CO2) emissions from the industrial combustion of biomass in the following circumstances:
(i) Where a new major stationary source or major modification would be subject to Prevention of Significant Deterioration (PSD) requirements for greenhouse gases (GHGs) under 40 CFR 52.21 but would not be subject to PSD under the state implementation plan (SIP) because CO2 emissions from the industrial combustion of biomass are excluded from consideration as GHGs as a matter of state law under RCW 70.235.020(3); or