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Afridon, Afridon
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Penurunan Kandungan Minyak/Lemak, BOD (Biochemical Oxygen Demand), dan TSS (Total Suspended Solid) pada Air Limbah Bengkel Mobil dengan Menggunakan Aerasi dan Sedimentasi Fathonah, Haqul Fathonah; Mukhlis, Mukhlis; Afridon, Afridon; Mahaza, Mahaza; Awaluddin, Awaluddin
Jurnal Kesehatan Lingkungan Mandiri Vol 2 No 1 (2023): Jurnal Kesehatan Lingkungan Mandiri, Volume 2 No.1 November 2023
Publisher : Jurusan Kesehatan Lingkungan Poltekkes Kemenkes Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33761/jklm.v2i1.1116

Abstract

Researchers conducted research on car repair business activities to see the negative impacts on the liquid waste produced which is mixed liquid waste. One of the control efforts is to use aeration and sedimentation methods. This research aims to determine the reduction in oil/fat content, BOD (Biochemical Oxygen Demad) and TSS (Total Suspended Solid) in car repair shop wastewater using aeration and sedimentation in 2023. The research carried out is experimental, the object to be studied is wastewater car repair shop at PT Capella Padang using a simple tool designer using three buckets with each bucket 25 liters. The results of the study showed that there were differences in oil/fat and TSS, before treatment the results of fatty oil were 12 mg/l, BOD 32 mg/l and TSS 107 mg/l after using a simple tool and given nine repetitions, the oil/fat results were 0.4. mg/l, 73.2 mg/l and TSS 12.1 mg/l. In conclusion, the efficiency value after treatment experienced a significant decrease in oil/fat, 96%, BOD efficiency value - 1.23%, while TSS experienced a significant decrease, namely 88%. It is hoped that for further research using aeration and sedimentation, better results will be obtained in accordance with the regulations of the Minister of Environment of the Republic of Indonesia Number 68 of 2016 concerning Waste Water Quality Standards and also as knowledge, information and guidance for health polytechnic students.
The Effect of Noise and Lighting on Physiological and Psychological Health of Manufacturing Industry Workers Wijayantono, Wijayantono; Lindawati, Lindawati; Afridon, Afridon
Asian Journal of Healthcare Analytics Vol. 4 No. 2 (2025): November 2025
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ajha.v4i2.15579

Abstract

This study examines how noise levels and lighting intensity affect the physiological and psychological health of manufacturing workers. Using a quantitative explanatory design with a cross-sectional survey, data were collected from 80 workers through noise and lighting measurements as well as questionnaires assessing blood pressure, fatigue, and stress. Multiple regression analysis shows that both noise and lighting significantly influence workers' health, with noise having a stronger impact on stress and fatigue. The findings highlight the need for effective workplace environmental controls to protect workers’ well-being and support productivity.
Co-Authors Adha, Aida Adriyanti, Sri Lestari Asep Irfan Awaluddin Awaluddin Ayunda Putri, Kalasta Darwel, Darwel Fathonah, Haqul Fathonah Gameli, Cahyani Rahmi Irmawartini, Irmawartini Izati, Meci Miftahi Lindawati Lindawati Mahaza Marza, R. Firwandri Mukhlis Mukhlis Nailul Hikmi Oktamianiza Oktamianiza Rinanti, Sindi Wahyu Riviwanto, Muchsin Sugriarta, Evino Wahyudi, Eri Wijayantono, Wijayantono