The problem that has been difficult to overcome until now is the waste problem. Landfilling remains a method that is often used but has a disadvantage in the form of leachate production. Leachate or leachate is defined as wastewater produced from Final Disposal Sites (TPA). The combination of electrocoagulation and adsorption methods can be a promising treatment technology. The electrocoagulation process was carried out for 1 hour using iron electrodes. The variations used are electrode distances consisting of 1 cm, 1.5 cm, and 2 cm while the voltages consist of 10 volts, 20 volts, and 30 volts. In adsorption, zeolite adsorbent was used with a residence time of 2 hours. The research stages started from the preparation of leachate samples, examination of initial characteristics, leachate treatment, and testing of COD, TSS, and pH. The results showed that the optimal variation was obtained at a distance of 1 cm and a voltage of 30 volts with a COD efficiency of 98.84% and TSS of 99.82%. For the pH value, the result is that the greater the distance between the electrodes and the voltage, the higher the pH value obtained.

Heat Strain merupakan respon fisiologi terhadap beban panas dimana tubuh berusaha untuk menghilangkan panas ke lingkungan untuk memelihara kestabilan suhu tubuh. Tujuan penelitian ini mengetahui pengaruh kenyaman termal, beban kerja fisik, usia, masa kerja, status gizi, status aklimatisasi, kondisi kesehatan, konsumsi obat-obatan, dan konsumsi air terhadap heat strain dan memberikan rekomendasi. Penelitian ini mengunakan teknik total sampling yaitu sebanyak 36 pekerja. Metode analisis menggunakan uji regresi logistik ordinal dan kejadian heat strain menggunakan kuisioner HSSI (Heat Strain Score Index). Hasil pengujian regresi logistik ordinal diperoleh bahwa variabel yang berpengaruh terhadap heat strain yaitu kondisi kesehatan p-value 0,010 (α<0,05), konsumsi obat-obatan p-value 0,004 (α<0,05) dan untuk konsumsi air p-value 0,023 (α<0,05). Sedangkan untuk variabel usia, masa kerja, status gizi tidak memiliki hubungan (p-value > 0,05). Rekomendasi yang dilakukan secara hierarki pengendalian adminstratif yaitu dengan melakukan penambahan ventilasi mekanik berupa blower, rolling pekerja, sosialisasi, penambahan air galon, dan penyesuaian pakaian kerja.