Small wastewater treatment systems for up to 50 PT - Part 1: Prefabricated septic tanks
1 Scope This part of this standard specifies the requirements for prefabricated septic tanks and ancillary equipment used for the partial treatment of domestic wastewater for a population = 50 PT. Pipes sizes, loads, watertightness, marking and quality control are specified.
The following cases are excluded:
1) Septic tanks receiving grey water only;
2) In situ constructed septic tanks.