Chapter 28.04 TITLE – CITATION – PURPOSE This chapter is included in your selections. Sections: 28.04.010 Title. 28.04.020 Authority and purpose of title. 28.04.030 Critical areas. 28.04.040 Intent of critical area regulation. 28.04.050 Interpretation. 28.04.060 Relationship to other regulations. 28.04.070 Best available science.