Core Viewpoint - A video surfaced on social media showing a vehicle allegedly discharging wastewater into the Daxia River in Gansu's Linxia City, prompting an investigation by local authorities [1][3]. Group 1: Incident Details - The vehicle in question is a fish transport truck with a Sichuan license plate, which was found discharging a pinkish-purple liquid [3]. - The Linxia State Environmental Protection Bureau confirmed that the vehicle was located and that water quality samples were taken for testing [3][5]. Group 2: Investigation Findings - Initial investigations revealed that the truck's operators, Yang and Du, used potassium permanganate to clean the tank after transporting different fish species to prevent cross-contamination [5]. - Approximately 6 cubic meters of residual water was discharged into a drainage channel connected to the Daxia River, which was classified as general wastewater according to the "Comprehensive Wastewater Discharge Standards" [5]. - Environmental tests indicated that the surrounding water quality met the Class III standard for surface water, but the discharge was deemed a violation of the "Water Pollution Prevention and Control Law" of the People's Republic of China [5].

Core Viewpoint - The emergency drill conducted at Jinan Airport aimed to enhance the emergency response capabilities for hazardous materials incidents, specifically focusing on the leakage of potassium permanganate and hydrogen peroxide [1][3][4] Group 1: Emergency Drill Overview - The drill was a collaborative effort involving Jinan Airport, SF Express, and the China Certification and Inspection Group, emphasizing the importance of emergency management in aviation safety [1][3] - The exercise was centered around the theme of "detecting leaks and quick response," with SF Express staff initiating a dual-reporting mechanism upon discovering smoke from a package [3] Group 2: Response Actions - Upon detection of the leak, immediate actions included cutting off power and establishing isolation zones, while airport personnel utilized smoke alarms and video monitoring to issue evacuation orders [3] - The emergency response team from the China Certification and Inspection Group, equipped with full protective gear, confirmed the hazardous materials and employed methods such as adsorption and neutralization for safe handling [3] Group 3: Training and Future Plans - The drill served as a practical test of emergency procedures and aimed to deepen safety responsibility awareness among all participants [4] - Jinan Airport plans to use the insights gained from the drill to continuously improve its emergency response plans for hazardous materials and enhance safety training for all staff [4]