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Capacity-building training for housekeeping staff in hotels and restaurants is a crucial aspect of maintaining service quality and enhancing customer satisfaction. Competent housekeeping personnel not only ensure physical cleanliness but also directly impact the reputation, image, and competitiveness of businesses in the hospitality and restaurant sectors. This community service program aims to develop the capacity of housekeeping staff through focused training on mastering cleaning techniques, effective waste management, and the proper and safe use of cleaning tools and materials. The training methodology is conducted directly using a participatory approach, allowing participants to actively engage in practical simulations, discussions, and case studies related to cleaning procedures, operational standards, and waste handling. Evaluation is conducted using pre-test and post-test assessments to measure improvements in participants’ knowledge, skills, and understanding of good cleaning practices. Results demonstrate significant improvements in mastering cleaning techniques, understanding waste management, and the ability to use cleaning tools and materials correctly. Additionally, participants reported increased awareness of the importance of consistently maintaining cleanliness standards, which is expected to be applied in daily workplace activities. The contribution of this community service provides tangible benefits in enhancing human resource quality in the hotel and restaurant sectors while supporting the achievement of professional, hygienic, and environmentally friendly service standards. This training is expected to serve as a sustainable model for the continuous development of housekeeping staff competencies in the broader hospitality and tourism industry.

UMKM Tahu XYZ, a small-scale tofu producer, is currently facing significant challenges in maintaining consistent product quality, primarily due to a high defect rate. Common issues identified include crumbled tofu shapes, overly soft textures, and inconsistent taste, which negatively impact customer satisfaction and business sustainability. This study aims to investigate the root causes of these quality issues and propose practical solutions using the Lean Six Sigma methodology. The research employs a descriptive quantitative approach through the DMAIC framework—Define, Measure, Analyze, Improve, and Control—to ensure systematic problem-solving. Data were collected over a six-month period through direct observation, structured interviews, and review of production records. The analysis identified four dominant types of waste within the production process: unnecessary transportation, product defects, excessive movement, and over-processing. The root causes of these inefficiencies are linked to poor handling of raw materials, variability in soybean quality, and an ineffective production layout that hampers workflow and consistency. To address these problems, the study proposes several targeted interventions, including the redesign of the production layout to optimize flow, the implementation of the 5S (Sort, Set in order, Shine, Standardize, Sustain) workplace organization method, the development of standardized operating procedures (SOPs), and the adoption of improved soybean boiling technology. The implementation of these improvements is projected to significantly reduce product defects, enhance process efficiency, and ultimately increase customer satisfaction. Furthermore, these actions are expected to improve the overall competitiveness of UMKM Tahu XYZ within the highly demanding food industry sector. This research provides actionable insights for other micro, small, and medium enterprises (MSMEs) seeking to apply structured quality control methods to strengthen operational performance and long-term business resilience.

Waste management problems in Kudus City show high complexity, marked by an increase in the volume of daily waste generation that is not balanced by an adequate handling system. This study aims to optimize the waste management system in an integrated manner with an industrial engineering approach, especially through the application of the Lean Waste Management concept, redesigning facilities and logistics, and strengthening community participation based on Human-Centered Design (HCD). A qualitative method with a case study approach was used, with data triangulation techniques in the form of in-depth interviews, direct observation, and document analysis. The results of the study showed that 75% of households did not sort their waste, only 2 out of 6 TPSTs were active, and the TPA capacity had exceeded its limit since 2022. The efficiency of the transportation system is also low due to suboptimal routes and frequencies. This study offers solutions based on technology integration, facility redesign, logistics optimization, and community empowerment. With a systemic approach based on industrial engineering, an efficient and sustainable waste management model can be applied, not only in Kudus, but also in other areas with similar challenges.

This study aims to describe and analyze the strategies implemented by the Environmental Agency (DLH) of Karimun Regency in managing waste and to evaluate the effectiveness of these implementations in the field. Employing a qualitative descriptive approach, data were collected through in-depth interviews, observations, and document reviews. Findings reveal that DLH Karimun has developed and executed key strategies, including the formulation of the Regional Waste Management Master Plan (RIPSD), optimization of Temporary Waste Disposal Sites (TPS) with 3R principles, active collaboration with waste banks and community groups, and community-based education and socialization efforts. However, operational challenges persist, particularly in waste transportation fleet distribution, handling of the Sememal Final Disposal Site (TPA), and monitoring and evaluation mechanisms that remain suboptimal. Additional challenges include limited human resources and funding, low public awareness, and regulatory conflicts impacting strategic decision-making. Nevertheless, the strategies implemented have contributed to improvements in environmental cleanliness across several sub-districts and increased volumes of processed waste through recycling initiatives. Community involvement through schools, youth organizations, family welfare groups, mutual cooperation activities, and waste banks proved critical to success. The study recommends the adoption of digital-based waste management systems (smart waste management), capacity building for DLH personnel, community empowerment, and revision of local regulations to support sustainable waste management. This will enhance the effectiveness and sustainability of DLH Karimun’s waste management strategies moving forward. The findings provide valuable insights for policy formulation and practical implementation in similar regional contexts.  

This study aims to find out the collaboration of actors in waste management in landfills (TPA). This study uses descriptive research using qualitative research methods and using Ratner's (2012) theory which includes Identification of Barriers and Opportunities, Debate Strategies to Influence, and Collaborative Action Planning. There were 5 informants in this study. The results of the study show that the collaboration that occurs in waste management has gone well, but there are still obstacles in overcoming existing problems. To identify obstacles and opportunities, there are situations and needs as well as resources that must be met, the collaboration that occurs between the Environment and Hygiene Agency and the head of waste management and b3 waste has been running but is not optimal enough due to the lack of resources in facilitating infrastructure facilities at landfills. Debate strategies to influence and increase public awareness and understanding require socialization related to understanding how to manage waste properly. The Head of the Environment and Hygiene Agency together with the Head of the B3 Waste Management Division have collaborated with the Mutiara Timor Waste Bank in providing effective socialization to reduce the volume of existing waste, but many people do not understand the socialization. Planning this cooperation action, there is a collaborative implementation strategy where the actors collaborate in planning the right implementation strategy to reduce the volume of waste in the landfill, but the collaboration between the Head of the Environment and Hygiene Agency and the Mutiara Timor Waste Bank has targeted 20% in handling the volume of waste, but the cooperation is only 5% that can reduce the volume of waste in the landfill because the socialization provided is still not understood by the Public. For the purpose and purpose of this cooperation is the target in reducing and handling waste from 2018-2025, if this cooperation runs effectively and successfully, slowly the volume of waste in landfills will decrease by itself.

This study aims to describe and analyze the strategies implemented by the Environmental Agency (DLH) of Karimun Regency in managing waste and to evaluate the effectiveness of these implementations in the field. Employing a qualitative descriptive approach, data were collected through in-depth interviews, observations, and document reviews. Findings reveal that DLH Karimun has developed and executed key strategies, including the formulation of the Regional Waste Management Master Plan (RIPSD), optimization of Temporary Waste Disposal Sites (TPS) with 3R principles, active collaboration with waste banks and community groups, and community-based education and socialization efforts. However, operational challenges persist, particularly in waste transportation fleet distribution, handling of the Sememal Final Disposal Site (TPA), and monitoring and evaluation mechanisms that remain suboptimal. Additional challenges include limited human resources and funding, low public awareness, and regulatory conflicts impacting strategic decision-making. Nevertheless, the strategies implemented have contributed to improvements in environmental cleanliness across several sub-districts and increased volumes of processed waste through recycling initiatives. Community involvement through schools, youth organizations, family welfare groups, mutual cooperation activities, and waste banks proved critical to success. The study recommends the adoption of digital-based waste management systems (smart waste management), capacity building for DLH personnel, community empowerment, and revision of local regulations to support sustainable waste management. This will enhance the effectiveness and sustainability of DLH Karimun’s waste management strategies moving forward. The findings provide valuable insights for policy formulation and practical implementation in similar regional contexts.

The MBKM internship program provides students with the opportunity to be directly involved in public service activities within government institutions. Through placement at BPPRD Palangka Raya City, the student was assigned to the service counter for advertisement tax and waste retribution. Activities included recording taxpayer data, scanning documents, archiving files, and delivering tax-related information both in person and digitally. This experience not only enhanced technical understanding and knowledge of tax administration procedures but also developed the student's discipline and communication skills. The presence of the intern contributed to smoother services, particularly in document handling and time efficiency. Overall, the internship provided meaningful learning for the student and offered real support to the institution.

The Community Service Program (KKN) of the Faculty of Economics, UNKRIS, aims to raise awareness and change behavior among the community in Pondokgede sub-district regarding the environment, starting with the household environment in handling organic and inorganic waste through composting and the use of Biopori Infiltration Pits (LRB), waste banks, and greening for Green Open Spaces (RTH). The method used in this study is qualitative analysis. Before the KKN FE UNKRIS activities were implemented, several steps were taken to ensure the smoothness and effectiveness of the program, including preparation, implementation, and evaluation. Overall, the KKN FE UNKRIS program in the environmental conservation movement and its implementation in Pondokgede sub-district has had a positive impact on accelerating the development of Pondokgede sub-district, as evidenced by the improvement in community behavior toward the environment and the level of community satisfaction with the KKN FE UNKRIS program. The implications of this KKN program include the need for continuous monitoring to ensure that community awareness of a clean and healthy environment continues to increase. Additionally, the program should be continued until the stage of utilizing the results of waste processing generated by each community in Pondokgede.

One of the impacts of the growth of activities in the transportation sector is the disposal of rubber tire waste. The increasing number of motorized vehicles in society has caused an increase in tire waste. Especially in developing countries, the use of plastic bottles has become an inevitable and unavoidable necessity for society. Inadequate waste management and handling causes negative impacts on the environment, such as hazards to human health, to animal life, soil, water, and air pollution. The purpose of this study was to reduce environmental pollution by testing the compressive strength of concrete made with a mixture of waste. Experiments were conducted in the laboratory with concrete cylinder test objects with a diameter of 150 mm and a height of 300 mm. The proportion of waste mixture, Polyethylene Terephthalate (PET), Rubber Powder, Waste Metalized Film Food Packaging (WMFFP) to fine aggregate was 0%, 5%, and 10%, each variation. The test results showed a compressive strength of 17.62 MPa, 15.29 MPa, and 14.83 MPa at the percentage of waste mixture. From this data, it can be concluded that waste materials can be used as a substitute for sand in concrete.

As an integral part of Tanjung Perak Port, Kalimas Terminal holds a strategically important position in supporting Indonesia’s national export and import activities. Its vital role makes it one of the key logistics hubs in the country. During its operations, the generation of hazardous and toxic (B3) waste is unavoidable, requiring swift and proper handling to prevent environmental degradation and protect public health. This study aims to assess the level of compliance in B3 waste management at Kalimas Terminal, Tanjung Perak. The research focuses on evaluating key aspects such as the identification, collection, storage, and transportation of B3 waste, along with the completeness of related documentation, in accordance with applicable environmental regulations. By examining the current waste management practices in place, this study also seeks to formulate strategic recommendations to enhance the effectiveness and sustainability of B3 waste handling in the future.

Management and characteristics of B3 waste at PT Ketenagalistrikan based on the potential hazards produced have been carried out by grouping and storing B3 waste based on physical, chemical and based on potential hazards with the aim of security and safety in the Temporary Storage Warehouse for B3 Waste. PT. Ketenagalistrikan has implemented a comprehensive Hazardous and Toxic Materials (B3) waste management system based on Government Regulation No. 22 of 2021 and Regulation of the Minister of Environment and Forestry No. 6 of 2021. Power plant operational activities produce various types of B3 waste such as used oil, used batteries, and other contaminated materials. B3 waste management is carried out through the stages of identification, sorting, containerization, labeling, temporary storage at licensed B3 TPS, as well as transportation and processing by licensed third parties. A quarterly recording and reporting system to environmental agencies is also carried out routinely. This program has succeeded in reducing the risk of environmental pollution and increasing the company's compliance with applicable B3 waste management regulations. Occupational Safety and Health (K3) at PT. Electricity, especially in the handling and storage of Hazardous and Toxic Materials (B3) waste, also plays an important role in avoiding unwanted things. B3 waste generated from PT. Ketenagalistrikan office operations such as used lubricants, batteries, used TL lamps, printer cartridges, and other electronic equipment require special handling in accordance with Government Regulation No. 22 of 2021. Compliance with K3 standards in the storage of B3 waste is an effort to minimize the risk of environmental pollution and potential health problems for workers. The implementation of K3 in the storage of B3 waste in PT. Ketenagalistrikan offices not only fulfills regulatory obligations but also supports the company's commitment to environmental sustainability in accordance with ISO 14001:2015, as well as ensuring the safety and health of its workers.

The aim of this research is to determine the regulation of the function of the Sikka Regency Environmental Service in waste management in Maumere City and the participation of the Maumere City community in waste management. In order to answer this research, an analysis of the relationship between laws governing waste management and Sikka Regency regional regulations governing waste management was carried out, especially the regulation of the Sikka Regency Environmental Service's function in waste management. The type of research used by the author is Empirical Normative Legal research. The data sources in this research are primary and secondary data sources. Analysis of data and legal materials in this research uses qualitative analysis in accordance with primary data and secondary data obtained from the research results. Based on the research results, the two existing regional legal products, namely Sikka Regency Regional Regulation Number 16 of 2016 and Sikka Regent Regulation Number 42 of 2021, regulate the function of the Sikka Regency Environmental Service in waste management in Maumere City. with what has been regulated in Law Number 18 of 2008 concerning Waste Management as the highest law. The weakness of the existing regulations, both laws and regional regulations, is law enforcement. The participation of the people of Maumere City in management is that the people sort out waste that can still be used for reuse so that it is not just thrown away. Apart from that, the community also proposed a program at the Environmental Service for waste management so that waste handling in Maumere City can run well.

Flood disaster is the most frequent disaster in Indonesia. Based on BNPB records throughout 2021, flood disasters have occurred 1,279 times. Poor drainage system can be one of the factors causing flood disasters. Way Mhorock Village, Abepura District is one of the areas that has poor drainage network quality. This is because Way Mhorock Village is one of the centers of community activities, so it has the potential to cause flooding. This study examines the quality of the drainage system against disasters in Abepura District by focusing on Way Mhorock Village. The research methods used to achieve the objectives in this research are qualitative methods, spatial analysis, and analytical hierarchy process. Qualitative descriptive analysis method to assist and describe the actual drainage problems in the field in the form of pictures. Spatial analysis method using GPS by recording problematic drainage points then processed using ArcGIS software. Analytical Hierarchy Process method by capture the perspective of stakeholders from the agency to determine the assessment of the quality level of the drainage system that has the potential to cause flooding in Way Mhorock Village. The results showed that there are 4 problems that affect the quality of drainage in Way Mhorock Village, namely drainage sedimentation, land use change, drainage cross section, and the volume of waste found at 33 points in Way Mhorock Village. Based on the results of the analytical hierarchy process using an expert choice application, drainage sedimentation is the most influential criterion on improving drainage quality with alternative handling provided in the form of law enforcement policies against environmental violations by the community.  

The increase in consumption of plastic bottled drinking water (AMDK) has led to an increase in the amount of plastic waste that requires special handling. One of the main challenges in managing this waste is the process of cutting plastic cup rings, which has been done manually using a cutter or small knife. This manual method is not only less effective but also increases the risk of injury for waste pickers. This research aims to develop a safer and more effective plastic cup ring cutter. Through a socialisation programme and implementation of the tool at Bank Sampah SiHatin, the effectiveness of the tool was tested by comparing the manual method and the use of the cutting tool. The results of the analysis show that the use of this tool is able to increase the cutting speed by 58%, produce more uniform cuts, and eliminate the risk of injury due to the use of cutters. In addition, this tool also improves occupational safety and health (K3) aspects and has a positive impact on the economic value of cutting products. Thus, this innovation is an effective solution in plastic waste management in the informal sector and can be adopted more widely in various other Waste Banks

South Tangerang City is one of the areas prone to flooding, with various influencing factors, such as a lack of communication between local government organizations and weak spatial planning supervision. Uncontrolled development by several large developers has constricted river flows, while suboptimal drainage and water absorption systems have exacerbated the situation. In flood mitigation efforts, coordination between the Regional Disaster Management Agency, the Public Works Agency and the Environment Agency is necessary to ensure anticipatory efforts and sustainable solutions. Existing Regional Regulations and Governor Regulations, including regional spatial plans and technical guidelines for flood control, are an important foundation for flood management in the region. The purpose of this research is to find out and analyze how the implementation of flood disaster mitigation policies in Regional Regulation Number 2 of 2012 concerning Disaster Management. This research uses the theory of George C. Edward III. with 4 indicators, namely communication, resources, disposition, and bureaucratic structure. The results showed that the unity of action in handling floods still faced obstacles, where the Environmental Agency had not fully carried out its responsibilities in maintaining waste in drainage channels and rivers.

Garbage is a problem that often occurs everywhere. One example is in Tanjungpinang City with various types of waste problems, one of which is plastic waste. For this reason, it needs to be handled seriously. One of the measures that has been carried out by the Tanjungpinang City government regarding the handling of plastic waste is to create a Tanjungpinang Mayor regulation policy no. 14 of 2022 concerning reducing the use of plastic bags. This regulatory policy was implemented on July 7 2022 and the policy of this regulation has been in place for approximately 2 years now. However, the results of implementing this policy regulation are still not as expected, with the data that has been presented in the background proving that every year there is an increase and plastic waste is in second place among the number of types of waste that exist. For this reason, this research aims to evaluate all forms of activities in implementing this policy using a descriptive qualitative approach according to the evaluation theory of Abdulkahar Badjuri & Teguh Yuwono (2002) which consists of 4 indicators, namely: suitability evaluation, effectiveness evaluation, efficiency evaluation and meta evaluation. Based on this theory, this research hopes that in the future this problem can be resolved and that regulatory policies run as expected so as to produce the desired results.

The large percentage of waste is a problem and an opportunity in solving waste problems. Waste management is a systematic, comprehensive, and continuous activity that includes waste reduction and handling. What can be done is by involving and providing education to the community that produces waste. Community participation in waste management is basically interpreted as actively participating in a series of waste management, transportation, and disposal activities based on self-awareness and responsibility to achieve targets in creating a clean and healthy environment. The purpose of this paper is to describe waste management, stages of participation, types of participation, and levels of community participation in waste management in 3 case studies, namely the Margaluyu Environment, Bone Puteh Hamlet and Palattae Village.

Companies operating in the electricity accumulator industry sector, in the production process produce waste in the form of hazardous and toxic materials (B3). The management of B3 waste is carried out based on the provisions stated in the Regulation of the Minister of Environment and Forestry Number 6 of 2021 concerning Procedures and Requirements for Hazardous and Toxic Waste Management. Therefore, the waste generated requires special handling to prevent environmental pollution. Therefore, the waste generated requires special handling so as not to pollute the environment. Hazardous waste management in the electricity accumulator industry includes various stages, both for waste in the solid and liquid phases, namely identification, inventory, packaging, labeling and symbolization, storage, and transportation carried out by third parties. This research aims to assess the current condition of hazardous waste management in the electricity accumulator industry, evaluate it, and provide recommendations that are in line with applicable regulations. The research method used is a descriptive approach. In the inventory process, the electricity accumulator industry requires Temporary Storage Sites (TPS) to store B3 waste before transportation by third parties.

The purpose of this study is to determine the handling of b3 waste by the soft drink industry. The research method used is to compare the local situation with current regulations. The comparison is carried out using a guttman scale where if it is appropriate, a score of 1 is given and if it is not appropriate, a score of 0 is given. The source of B3 waste generated by the soft drink industry comes from maintenance activities, laboratories, offices, and transportation. The type of hazardous waste comes from category 1 general specific sources, namely expired chemicals from laboratories, while from non-specific sources in the form of hazardous contaminated waste, waste from laboratories containing hazardous substances, and used batteries. Then there are category 2 general specific sources in the form of used toner, while from non-specific sources in the form of electronic waste, used B3 packaging, used cloth, used lubricating oil, and residual ink. The characteristics of B3 waste produced include toxic, flammable, and corrosive. In the transportation of B3 waste, the Sidoarjo Regency Soft Drink Industry has collaborated with third parties. Based on the results of the analysis of B3 waste management in soft drink industry companies classified in the “good” category. However, there are still things that need to be improved in the management of B3 waste in the form of applying symbols and labels, packaging, and storage.

EcoCleanzyme Wash is an innovative dishwashing liquid based on ecoenzyme, a liquid derived from the fermentation of organic waste such as fruit peels, vegetable scraps, brown sugar, and water. This product offers an environmentally friendly solution for household needs while addressing the challenges of suboptimal organic waste management. The three- month ecoenzyme fermentation process produces a liquid rich in natural enzymes with antibacterial, antifungal, and insecticidal properties, capable of breaking down harmful organic compounds. EcoCleanzyme Wash provides a safer alternative compared to conventional dishwashing liquids, which often contain harmful chemicals that can pollute water and soil. This product not only effectively cleans utensils but also supports the concept of sustainability by utilizing household organic waste. Additionally, EcoCleanzyme Wash helps reduce environmental pollution, often caused by improperly managed household waste. In Indonesia, organic waste constitutes the largest portion of household waste, which, if left unmanaged, can contaminate water, soil, and air, leading to various health issues such as diarrhea and skin infections caused by pathogenic microorganisms. The use of ecoenzyme in EcoCleanzyme Wash represents a tangible step toward promoting the concepts of reuse and sustainable waste management, aligned with government regulations on waste handling. This product also contributes to reducing negative impacts on ecosystems and raising public awareness about the importance of managing organic waste. This research aims to provide a detailed guide on the production process of ecoenzyme-based dishwashing liquid, covering the utilization of organic raw materials, fermentation steps, and product formulation. It is expected that the findings of this research can serve as a reference for the development of other environmentally friendly products and encourage innovation in household waste management. EcoCleanzyme Wash is a progressive step in creating a product that not only fulfills household needs but also positively impacts the environment.