The workshop (pipe repair place) owned by PT. X is potential for heavy metal exposure which can exceed the quality standards. This study is to identify and analyze the risk of heavy metal exposure from the production process and compare it with the quality standards for the workplace that have been set by the government. This research is a quantitative study using the method of environmental health risk analysis (EHRA). The concentration of risk agents that could cause adverse health effects of non-carcinogenic due to lead exposure was 15 workers both realtime and lifetime, chromium exposure was 6 workers in realtime and 15 workers for lifetime. While the results of carcinogenic effects due to lead exposure were 1 worker for lifetime and chromium was 15 workers both realtime and lifetime. Efforts to control heavy metals can be carried out through technical engineering, administrative control, and personal protective equipment.

This study identified the spatial distribution pattern of the ambient air quality in the Yogyakarta Urban Area. It was performed to determine the distribution pattern of SO2, CO, and NO2 concentrations for 2016-2019 (pre-pandemic) and 2020 (during pandemic). Furthermore, the spatial analysis was...

The condition of COVID-19 pandemic led to a high generation of medical waste through hospital activity. This study aimed to analye the hazardous waste management during the pandemic at Hospital A in Yogyakarta. Dynamic system modelling applications by considering the technical, financial, and environmental aspects using the Vensim PLE with the stock-flow diagram. The model simulation results in this study indicate an increase in technical, financial, and environmental aspects during the pandemic. The technical and financial aspect shows that the generation and transportation of waste increased during the pandemic reaching 9.36%. In the technical aspect, hazardous waste generation produced 11,756 kg/year. Then, the financial aspect shows that the costs incurred for transporting waste increased during the pandemic, reaching IDR109,860,000/year. The financial aspect also indicates that the fees received by hospital A in Yogyakarta from recycling waste increased until IDR3,232,900/year. The environmental aspect shows that CO₂ emissions released into the air due to the transportation of waste during the pandemic experienced a stable condition, it is 5,445.44 kgCO₂ per year, and CO₂ emissions stored due to the recycling of plastic infusion bottle waste increased by 4,021.73 kgCO₂ per year.

ABSTRAK Timbulan sampah menghasilkan berbagai emisi Gas Rumah Kaca (GRK), khususnya parameter karbondioksida (CO₂) yang dilepas ke udara. Karbondioksida yang diemisikan dari kegiatan transportasi dan proses operasi pengelolaan sampah perkotaan merupakan komponen penting yang berkontribusi pada fenomena pemanasan global. Kota Surabaya dihuni oleh 3 juta jiwa dan menghasilkan sampah perkotaan sebanyak 1600 ton setiap hari. Hal tersebut menyebabkan tingginya beban Tempat Pemrosesan Akhir (TPA) Benowo dalam menerima input sampah. Pengambilan sampel dilakukan di beberapaTempat Penampungan Sementara (TPS) dengan metode purposive random sampling berdasarkan kebutuhan data yang mewakili area penelitian. Pengambilan sampel sampah dilakukan berdasarkan Standar Nasional Indonesia (SNI) 19-3964-1994. Perhitungan emisi dari data timbulan sampah yang telah diperoleh dilakukan dengan metode pendekatan Intergovernmental Panel on Climate Change (IPCC). Emisi GRK ditentukan berdasarkan kondisi eksisting sistem pengelolaan sampah di Kecamatan Genteng Kota Surabaya. Sampah direduksi di sumber sampah melalui dua upaya, yaitu pengomposan dan partisipasi masyarakat dalam program bank sampah. Selanjutnya sampah juga direduksi di TPS oleh sector informal yang dalam hal ini merupakan pemulung di sekitar wilayah TPS. Hasil perhitungan emisi CO₂ sektor persampahan di Kecamatan Genteng sebesar 1270 Ton/tahun. Hasil tersebut dari kegiatan penanganan sampah sebesar 1120 Ton/Tahun untuk sampah di TPA setelah dilakukan upaya minimalisasi. Selain itu juga dari emisi pengangkutan sampah menuju bank sampah (pengolahan) dan TPA sebesar 150 Ton/Tahun. Kata Kunci : Emisi, GRK, karbondioksida,sampah. ABSTRACT The waste is generates a variety of greenhouse gas emissions (GHG), especially carbon dioxide (CO2) released into the air. Carbon dioxide emitted from transportation activities and urban waste management processes is an important component that contributes to the phenomenon of global warming. The city of Surabaya had 3 million people and produces 1600 tons of urban waste every day. It has impact in the high burden of Benowo Final Processing Place (TPA) in receiving waste input. Sampling was conducted in several Temporary Shelter Sites (TPS) with purposive random sampling method based on the data requirement that represented the research area. Waste sampling had been done based on Indonesian National Standard (SNI) 19-3964-1994. The emission calculation of waste generation data is using Intergovernmental Panel on Climate Change (IPCC) approach. GHG emission is determined based on the existing condition of waste management system in Kecamatan Genteng Kota Surabaya. Waste is reduced in waste sources through two efforts, composting and community participation in waste bank programs. Furthermore, waste is also reduced in TPS by the informal sector which in this case is a scavenger around the TPS area. The calculation of CO2 emissions from waste sector in Kecamatan Genteng is 1270 Ton / year. The result is from waste handling activity of 1120 Ton / Year for waste in TPA after minimization efforts. In addition, from waste transport emissions to waste banks (processing) and landfill of 150 Ton / Year. Keywords : Carbondioxside, emission, greenhousegases,waste.

The majority of Magelang Regency’s society is registered as participants and actively uses the Indonesian National Health Insurance (JKN). This makes the active role of Community Health Centers as first level service that takes care of health problems. This has an impact on the amount of hazardous waste by the Community Health Centers activities and how to manage it. The study was carried out to identify and calculate hazardous waste generation in Community Health Centers. The study was conducted using a purposive sampling method by examining the Community Health Centers services (e.g., hospitalization and out-patient care) and analyzing medical waste generation based on SNI 19-3964-1994 standard. The study results indicate that the type of Community Health Centers has an impact on the daily generation and composition of hazardous waste. The composition of non-sharp infectious waste produced was as much as 82%, and that sharp infectious waste was 18% average from hospitalization and out-patient care. The potential for waste generated from Community Health Centers in Magelang Regency is as much as 33.66 kg per day. This needs to be reconciled with the increasing knowledge of health workers and sanitarians in handling this. The generation and composition of hazardous waste in Community Health Centers are influenced by several factors, including the type of Community Health Centers service, the number of patients and treatments provided, and the extent of laboratory services.

Pembelajaran kolaboratif bersama praktisi merupakan upaya peningkatkan atmosfer suasana belajar mahasiswa dikelas dalam memahami dan mendalami materi yang secara dominan menerapkan peraturan yang berlaku di Indonesia. Praktisi yang dilibatkan juga merupakan alumni dari Program Studi Teknik Lingkungan yang secara emosional memiliki keterkaitan dengan mahasiswa, baik dari sisi kekeluargaan maupun dari sisi kenyamanan komunikasi. Praktisi dilibatkan untuk memberikan pemahaman dan penguatan materi terkait sistem pengelolaan limbah B3 di sektor industri khususnya bidang yang dikuasai praktisi tersebut. Mahasiswa diberi penugasan dengan studi kasus menyusun dokumen lingkungan terkait pengelolaan limbah B3 dibidang industri. Mahasiswa melakukan asistensi dengan praktisi supaya tercipta adanya ‘transfer knowledge’. Berdasarkan hasil kegiatan kolaborasi ini, diperoleh berbagai manfaat yang terlihat, diantaranya adalah : adanya keberanian dari mahasiswa untuk memulai bertanya dan berdiskusi bersama praktisi, munculnya pemikiran kritis mahasiswa, adanya sikap problem solving yang dirasa cukup baik ketika mengerjakan tugas dan menghadapi kendala serta menyelesaikan secara bersama-sama. Selain itu dari sisi kelengkapan persyaratan dokumen, 80% mahasiswa, sudah benar dan lengkap dalam memenuhi persyaratan dokumen lingkungan sesuai peraturan yang berlaku. Salah satu kendala perkuliahan adalah pelaksanaan yang tidak sesuai jadwal kuliah karena adanya kondisi darurat yang dihadapi praktisi ditempat kerja. Akan tetapi secara umum, mahasiswa mampu dan memahami peraturan yang berlaku di Indonesia khususnya dalam pembuatan Dokumen Rincian Teknis Penyimpanan Limbah B3 sektor industri berdasarkan Peraturan Menteri Lingkungan Hidup dan Kehutanan Nomor 6 tahun 2021 tentang Tata Cara Dan Persyaratan Pengelolaan Limbah Bahan Berbahaya Dan Beracun