Chapter 19.69 STANDARDS, GENERALLY This chapter is included in your selections. Sections: 19.69.010 Purpose. 19.69.020 Noise. 19.69.030 Air pollution. 19.69.040 Exterior lighting. 19.69.050 Glare or heat. 19.69.060 Special standards for the I, LM, HM, and AZ zones. 19.69.070 Clear-vision triangle requirements.