7.32.≈C5≈ Stormwater drainage - ( Sanihub ).

7.- Sanitation Technologies in emergencies - COMPENDIUM.
7.31.≈C4≈ Conventional gravity sewer - ( SaniHub ).
7.30.≈C3≈ Simplified sewer - ( Sanihub ).
7.29.≈C2≈ Motorised emptying and transport - ( SaniHub ).
7.28.≈C1≈ Manual emptying and transport - ( SaniHub).
7.27.≈S20≈ Caustic soda treatment (Emerging Technology) - ( SaniHub ).
7.26.≈S19≈ Lactic acid fermentation (LAF) treatment (Emerging Technology) - ( SaniHub).
7.25.≈S18≈ Urea treatment (Emerging Technology) - ( SaniHub ).
7.24.≈S17≈ Hydrated lime treatment (Emerging Technology) - ( SaniHub ).
7.23.≈S16≈ Biogas reactor - ( SaniHub ).
7.22.≈S15≈ Anaerobic filter - ( SaniHub ).
7.21.≈S14≈ Anaerobic baffled reactor (ABR) - ( SaniHub ).
7.20.≈S13≈ Septic tank - ( SaniHub ).
7.19.≈S12≈ Worm-based toilet (Emerging Technology) - ( SaniHub ).
7.18.≈S11≈ Chemical toilet - ( Sanihub ).
7.17.≈S10≈ Container-based toilet - ( SaniHub ).
7.16.≈S9≈ Double vault UDDT (Urine diversion dry toilet) - ( SaniHub ).
7.15.≈S8≈ Single vault UDDT (Urine diversion dry toilet) - ( SaniHub ).
7.14.≈S7≈ Raised latrine - ( SaniHub ).
7.13.≈S6≈ Twin pits for pour flush - ( SaniHub ).
7.12.≈S5≈ Twin pit dry system - ( SaniHub ).
7.11.≈S4≈ Single ventilated improved pit ( VIP ) - ( SaniHub ).
7.10.≈S3≈ Single pit latrine - ( SaniHub ).
7.9.≈S2≈ Borehole latrine - ( SaniHub ).
7.8.≈S1≈ Deep trench latrine - ( SaniHub ).
7.6.≈U6≈ Shallow trench latrine - ( SaniHub ).
7.7.≈U7≈ Handwashing facility - ( SaniHub ).
7.5.≈U5≈ Controlled open defecation - ( Sanihub ).
7.4.≈U4≈ Flush toilet - ( SaniHub ).
7.3.≈U3≈ Urinal - ( SaniHub ).