Air Pollution Control (Construction Dust) Regulation (Chapter 311R). Country/Territory China Territorial subdivision Hong Kong SAR Document type Regulation Date 1997 (2000) Source FAO, FAOLEX Subject Air & atmosphere Keyword Air quality/air pollution Geographical area Asia, Eastern Asia Abstract This Regulation requires contractors to take dust reduction measures when construction work is being carried out. Full text English Website www.hklii.org References - Legislation Implements Air Pollution Control Ordinance (Chapter 311). Legislation | China | 1983 (2008) Keyword: Air quality/air pollution, Authorization/permit, Emissions, Hazardous substances, International trade, Zoning, Basic legislation Source: FAO, FAOLEX