1. Containing pollutants which create a fire or explosion hazard in the wastewater facilities, including but not limited to, waste streams with a closed-cup flashpoint of less than 140º Fahrenheit (60º Celsius), or any pollutant that may create a health or safety hazard in the wastewater system;

2. That are corrosive or that have a pH lower than 5 or greater than 12.5;

3. Containing solid or viscous pollutants in amounts that will obstruct the flow in the wastewater system;

4. Containing materials that could potentially interfere with the operation of the wastewater treatment facilities;

5. With temperatures above 150º Fahrenheit (65º Celsius), or which cause the wastewater entering the wastewater treatment facilities to exceed 104º Fahrenheit (40º Celsius);

6. Containing radioactive wastes or isotopes in concentrations that exceed limits established by state and federal regulations;

7. Containing petroleum oil, non-biodegradable cutting oil, or products of mineral oil origin in amounts that will cause interference or pass-through;

8. Containing pollutants which result in the presence of toxic gases, vapors or fumes within the wastewater facilities that may cause acute worker health and safety problems;

9. Containing any trucked or hauled pollutants, except at discharge points designated by the Public Works Director or designee.