NCPC Descriptions of the GATS Sectoral Classification List Entries

W120 6-A Environmental services/ Sewage services
中文 污水處理服
UNCPC 9401
UNCPC 說明 9401 94010 Sewage services

Sewage removal, treatment and disposal services. Equipment used are waste pipes, sewers or drains, cesspools or septic tanks and processes utilized may be dilution, screening and filtering, sedimentation, chemical precipitation, etc.

Exclusions: Collection, purification and distribution services of water are classified in subclass 18000 (Natural water).

Construction, repair and alteration work of sewers are classified in subclass 51330 (Construction work for waterways, harbours, dams and other waterworks).