Cement Pollution Type Air Problem Dust Relevant Env. Control Air Pollution Control (Construction Dust) Regulation, Cap. 311R requires the relevant contractor to adopt effective dust control measures. Practical Solutions Close the main door all the time. Cover plastic sheet on top and seal door gaps with wet towels Enclose the renovation work area with tight partitions in commercial premises Cement, sand, debris or other dusty materials stored outside the site should be covered up or kept moist Use plastic sheet to cover up sand, cement and debris to avoid fugitive dust. Spray water before breaking, grinding, sand papering or wood cutting operation Fit vacuum cleaner to grinding, sand papering or wood cutting machines Maintain good house-keeping and increase the cleaning frequency of the surrounding areas
