Chapter 8.06 EXPANDED POLYSTYRENE This chapter is included in your selections. Sections: 8.06.010 Definitions. 8.06.020 Expanded polystyrene disposable food containers prohibited. 8.06.030 Required biodegradable, compostable, or recyclable disposable food containers. 8.06.040 Prohibited sales. 8.06.050 Exemptions. 8.06.060 Violations.