Ss_50_75_67 Primary sewage treatment and final settlement systems Not in use
General information
Category
Status
This code is not in use
Contains
Ss_50_75_67_38 Horizontal flow tank systems Not in use
Ss_50_75_67_46 Lamella tank systems Not in use
Ss_50_75_67_70 Radial flow tank systems Not in use
Publication history
Withdrawn
Replaced by
Ss_50_75_98 Wastewater storage systems
Contains 3 current codes
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