Chapter 13.40 PRETREATMENT REQUIREMENTS This chapter is included in your selections. Sections: 13.40.010 Purpose. 13.40.020 Requirements. 13.40.030 Monitoring manholes. 13.40.040 Permits. 13.40.050 Monitoring requirements. 13.40.060 Reporting requirements. 13.40.070 Surcharges for excessive strength. 13.40.080 Mixed loads. 13.40.090 Violations.