Summary of main work items in 2021 Public Landfill Monitoring and Supervision Management Plan, including(Subsequent Expansion)： 1. Supervise the public landfills within the jurisdiction, and inspect the environmental monitoring and inspection business of each landfill： (1). Common deficiencies in the operation site include problems such as uncovered soil in the buried area, damage to the isolation net to prevent garbage from flying away, insufficient on-site manpower, insufficient frequency of visual inspection and landing inspection of garbage entering the site, failure to clean the interception ditch, large temporary placement of huge waste and large garbage pile. (2). Most of the closed sites in the county are temporarily used as garbage transfer, and their lack includes problems such as regular pruning of vegetation and environmental maintenance. (3). The measured values of heavy metals in the soil of the landfill site all meet the soil pollution monitoring standards. (4). The items where the groundwater in the landfill exceeds the monitoring standards for groundwater pollution of Class II are ammonia nitrogen, manganese, iron, total dissolved solids (TDS), total hardness, sulfate, chloride, total organic carbon (TOC) and nitrate nitrogen. (5). The concentration of the upstream and downstream measured values of each test item of groundwater in each field of analysis is high or low, and the long-term monitoring situation changes are different. (6). Compared with the measured values of regional groundwater monitoring wells set up by the EPD, ammonia nitrogen, iron and manganese also exceeded the Category II groundwater monitoring standard. (7). According to the environmental monitoring results of Huwei landfill, only the measured value of copper in surface water quality exceeded the environmental standards related to the protection of human health, and the groundwater quality exceeded the monitoring standards for groundwater pollution of Class II, namely ammonia nitrogen, iron, total hardness, total dissolved solids (TDS) and total organic carbon (TOC). Air quality hydrogen sulfide monitoring results, in line with air pollutant emission standards. 2. Landfill related businesses： (1). Landfill area, garbage temporary area, garbage temporary area, closed rehabilitation area and garbage packing area, thermal imaging map shows that due to seasonal factors, the temperature is higher in summer. (2). Conduct education and training courses for operators of public waste landfills under the jurisdiction of Yunlin County to increase the professional knowledge of management personnel and improve the quality of landfill operation and management. (3). The photographic results of groundwater monitoring wells showed that there were 2 wells that had no immediate impact on the function of the monitoring wells but needed to be repaired and continuously observed and changed, and the remaining 20 wells had relatively mild conditions of scale, siltation and foreign body intrusion, or slightly serious but no obvious impact on the function of the monitoring wells. 3. Yunlin County Emergency Packing Plan Supervision Operation： (1). Assisted Kouhu Township and Lunbei Township to pack a total of 6,027.2 metric tons of garbage, and conducted 3 times of analysis and sampling of the purity of combustible materials of the package. 4. In 109, Yunlin County set up a mobile garbage sorting field plan - the subsequent expansion of the RDF packaging operation and the 2011 annual Yunlin County garbage pre-treatment and packaging plan supervision operation： (1). Handle the RDF packing plan in advance and assist Huwei Town to pack a total of 990 metric tons of RDF. (2). Assisted in the garbage packing operation in Douliu City, with a total of 4,333.23 metric tons, and the garbage packing operation in Lunbei Township, with a total of 9,284.21 metric tons, and carried out three random tests of the purity of the packaged combustibles.

landfill operation management, groundwater monitoring, environmental quality monitoing.