§50.4. National primary ambient air quality standards for sulfur oxides (sulfur dioxide). — Inbound Citations

(ii) Meteorological data shall be collected from the Cabras-Piti station which is sufficient to run air quality models both to demonstrate no current exceedences of the primary national ambient air quality standard for sulfur dioxide (“sulfur dioxide NAAQS”), as set forth at 40 CFR 50.4, and sufficient to submit a complete request for redesignation of the area to attainment;