Dispose of septage at permitted facilities only, disinfect devices, ventilate hose pipes
https://yenkee-wiki.win/index.php/How_Regular_Septic_Tank_Cleaning_Saves_Money:_Reputable,_Expert_Recommendations
Dispose of septage at permitted facilities just, decontaminate equipment, ventilate pipes, and secure lids and risers flush with grade to prevent dangers, smells, and groundwater contamination.