Core Viewpoint - The local environmental authority is investigating complaints regarding air pollution from a paper company in Deyang, Sichuan, and has implemented measures to monitor and mitigate the issue [1][5]. Group 1: Complaint and Investigation - A resident reported persistent unpleasant odors in Guanghan City, suspecting that nearby factories were discharging untreated waste gas [3]. - The Deyang Guanghan Ecological Environment Bureau conducted multiple inspections of the paper company, confirming that its emissions were within national standards, but noted intermittent mild odors in the vicinity [5]. Group 2: Pollution Control Measures - The company has installed four sets of waste gas collection and treatment facilities to reduce emissions from its drying workshop, which had shown signs of corrosion and required maintenance [6]. - Following repairs, the monitoring data indicated a decrease in odor levels, remaining well below national emission standards [6]. Group 3: Future Oversight - The Deyang Guanghan Ecological Environment Bureau plans to enhance monitoring of the company to ensure effective odor control and compliance with environmental regulations [7].