Annual Report 2019

59 ANNUAL REPORT 2019 Pollution prevention and control The Group stringently observes laws and regulations related to environmental protection in the regions where the Group operates and monitors, manages and controls the implementation of energy conservation and environmental protection work of its subsidiaries. During project planning, design, operation and services, the Group always adheres to environmental protection principle, improves its management and technology methods to test and control the pollution sources on a regular basis and discloses the testing data to the public. We improve our ability to respond to emergencies concerning environmental protection so as to minimize the impact of production and operation on the environment. In 2019, the Group produced and legally disposed of hazardous wastes of 971.57 tonnes and non-hazardous wastes of 6,204.82 tonnes. Waste/Pollutant Disposal General solid waste Entrust qualified units to collect and transfer such wastes to local legal dumpsites for disposal. Hazardous waste Collect and store such wastes in accordance with the national standardization requirements on hazardous wastes and entrust unites with qualifications of handling relevant hazardous wastes for collection and disposal. Air pollution Carry out energy conservation and technology transformation, and reduce air pollution through “substation of fuel-powered equipment with electricity-powered equipment ( 油改電 )” and using clean energy such as LNG. Dust pollution Push forward the transformation and investment of environmental protection equipment and facilities through reconstruction of spray system of iron ore yard, building dust removal tower and remote sprayer and purchase of dust-proof mesh cloth, etc., so as to prevent the combination of dust produced from operation and static dust produced by cargo stack. Water pollution Build sewage collection and treatment facilities for treatment of domestic, mineral and oily sewage, and discharge or recycle such sewage upon meeting relevant standards. In 2019, the monitoring results of sewage discharged through sea water of the harbor show that suspended solids, chemical oxygen demand and petroleum have all reached the category II standard of the Sea Water Quality Standard (GB3097-1997). Noise pollution Control the pollution from noise sources including the procurement of equipment and production design so as to comply with relevant noise emission standard of China. Carry out management and control during the process. Noisy operation that exceeds the standard will not be allowed in noise sensitive area, and noise emission such as horning shall be minimized during operation.