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At around 7 a.m. on September 9, a rear-end collision occurred on the Puning Chigang section of the Yongguan Expressway involving two vehicles transporting hazardous materials (carrying phenol and liquefied natural gas respectively), resulting in the leakage of some of the phenol and natural gas. Following the accident, in order to handle the emergency as swiftly as possible, with the approval of the Puning Municipal Party Committee and the municipal authorities, the Municipal Emergency Command for Sudden Environmental Incidents decided to activate Level IV emergency response for such incidents in Puning. A field command center was promptly established, with a deputy mayor in charge serving as the overall commander to oversee operations on-site. Seven working groups were set up, covering areas such as coordination, expertise, hydrology, engineering, public relations, monitoring, and support, all working together to carry out effective and scientific emergency response measures. http://p5.itc.cn/images01/20200916/5109e44eab334686b426425dea0f8d8e.jpeg The leakage of phenol solvent from the tank car carrying phenol caused contamination of the water in a ditch that is approximately 8 kilometers long and 2 meters wide, located near Puxia Village in Chigang Town. To address water pollution issues, under the guidance of the provincial steering committee and with the strong support of various relevant provincial departments, efforts have been made to strengthen sampling and monitoring at relevant sites. Material allocation has been improved, and resources such as fire trucks, sanitation vehicles, as well as those related to transportation and electricity, have been coordinated to meet the needs for dealing with polluted water. http://p9.itc.cn/images01/20200916/566785c2fd8b484aaa75486fcfb78f36.jpeg On September 15, the Emergency Response Command for Environmental Incidents on the Yongguan Expressway in Jieyang City issued a second update on the environmental emergency response measures taken in connection with the collision involving a hazardous materials vehicle on the Puning Chigang section of that expressway. The report states that, with the high level of attention and guidance from the provincial Party committee, relevant provincial departments, efforts have been made to carry out emergency responses; water bodies contaminated by phenol have been treated in a segmented and categorized manner to ensure the safety of drinking water sources. Multiple tests have shown no traces of volatile phenols in the main stream of the Rongjiang River, and the water entering and leaving the water treatment plants downstream is of acceptable quality. Data from 76 groundwater monitoring points in the 8 villages affected also show no presence of volatile phenols, indicating that the water quality remains unpolluted ； No abnormalities were detected in the atmospheric tests. At the same time, relevant agencies worked round the clock to address the situation; the Provincial Emergency Management Department coordinated 56 remote water supply units and over 300 firefighters to provide support, and organized 108 sewage transport vehicles for the removal of contaminated water. By 21:00 on September 14, a total of 1,292 truckloads worth 30,798 tons of contaminated water had been removed, with all areas containing heavily polluted water having been completely drained. Over the past few days, Jieyang City has placed the well-being of its people first, giving top priority to the safety of the drinking water supply for the local population. Warning signs were promptly installed along the polluted rivers, and 24-hour monitoring was put in place to prevent people from drawing water from those rivers ； Deploy forces at the town and village levels as well as police officers from local stations to go to households in those areas; use publicity tools such as radio, television, and online media to promptly advise the residents living near the accident sites to stop using groundwater and surface water ； Temporary free water supply points were set up promptly, and fire services were mobilized to deliver tap water to the residents in the affected areas, thereby ensuring their basic needs for living and working. The accident has already occurred; only by effectively addressing the harm caused by it can losses be reduced. At present, a crucial victory has been achieved in the handling of this incident; while ensuring that the local residents can carry on their normal daily activities, various follow-up actions such as the investigation into the accident are also being carried out in an orderly manner. We should also learn from this accident; traffic authorities and related **departments need to strengthen oversight and regulation, while drivers of hazardous materials must strictly abide by traffic rules to prevent similar incidents from occurring.