Chapter 18E.60 VOLCANIC HAZARD AREAS This chapter is included in your selections. Sections: 18E.60.010 Purpose. 18E.60.020 Volcanic Hazard Areas. 18E.60.030 Volcanic Hazard Area Review Procedures. 18E.60.040 Volcanic Hazard Area Standards. 18E.60.050 Increased Occupancy for Covered Assembly.