Chapter 17.85 INDUSTRIAL DISTRICTS This chapter is included in your selections. Sections: 17.85.010 Industrial Districts—General Purposes. 17.85.020 I1 Light Industrial District—Purpose. 17.85.030 I2 Heavy Industrial District—Purpose. 17.85.040 Industrial Research Park (IRP)—Purpose. 17.85.050 Uses Permitted. 17.85.060 Development Standards. 17.85.070 Additional Regulations.