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ANALISIS HAZARD IDENTIFICATION, RISK ASSESSEMENT AND RISK CONTROL (HIRARC) PERTAMBANGAN TRADISONAL WONOCOLO Sari, Andini Ratna; Callista E, Nindy; Mulyanti , Heri
PREPOTIF : JURNAL KESEHATAN MASYARAKAT Vol. 9 No. 2 (2025): AGUSTUS 2025
Publisher : Universitas Pahlawan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/prepotif.v9i2.46907

Abstract

Salah satu industri yang memiliki risiko tinggi adalah sektor pertambangan. Berdasarkan data Minerba One Data Indonesia Kementerian ESDM dalam 3 tahun terakhir 2022-2024) menunjukan terdapat 679 kasus kecelakaan kerja dengan jumlah kematian 132 kasus sisanya 547 dengan kasus ringan hingga berat. Kabupaten Bojonegoro merupakan wilayah penghasil minyak mentah di Provinsi Jawa Timur. Di kawasan desa Kedewan, 30 kilometer dari kabupaten Bojonegoro, sedikitnya hingga saat ini tersisa 40%  sumur minyak produksi dari 700 titik sumur yang di masa lalu menjadi kekuasaan kolonial sumur-sumur itu tersebar di desa Wonocolo dan Hargomulyo, dengan permasalahan tersebut peneliti tertarik untuk mengetahui potensi bahaya dan menganalisis risiko kerja yang kemungkinan besar terdapat pada area pertambangan minyak tradisional wonocolo khususnya pada pengolahannya dengan pendekatan HIRARC (Hazard Identification, Risk Assessment, and Risk Control) karena belum ada penelitian yang dilakukan pada pertambangan minyak tradisional Wonocolo, dan kebanyakan tambang tradisional sering beroperasi tanpa adanya pengawasan dari pihak terkait. Hasil menunjukkan bahwa analisis resiko yang terjadi meliputi fisik, kimia, ergonomi dan psikologis. Pada penilaian risiko terdapat kategori low sebanyak 3 kegiatan yaitu terluka akibat benda tajam, tertimpa yang menyebabkan terluka, tertimpa benda berat. Penilaian risiko tingkat medium ada 3 kegiatan yaitu terkilir, tertekan, stress. Terakhir penilaian risiko tingkat high ada 4 yaitu terbakar, terpeleset dan jatuh, terpapar asap beracun, dan terpapar uap minyak. Pengendalian risiko dilakukan dengan tindakan rekayasa dan administratif, seperti penimbunan tanah yang licin, penggunaan Alat Pelindung Diri (APD), dan pemasangan spanduk atau poster yang mengingatkan pekerja untuk beristirahat  yang cukup dan menggunakan APD
Analisis Tekstur Tanah Untuk Evaluasi Kesesuaian Lahan Pertanian Di Desa Kawengan Elvania, Nindy Callista; Mulyanti, Heri; Uswatun, Winda; Nalalizza, Nabila
Jurnal Sains Agro Vol 10, No 2 (2025): Jurnal Sains Agro (On Going)
Publisher : Universitas Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36355/jsa.v10i2.1844

Abstract

Tekstur tanah merupakan komponen penting dalam menentukan kesesuaian lahan untuk kegiatan pertanian. Penelitian ini bertujuan untuk menganalisis tekstur tanah di beberapa titik sampel di Desa Kawengan, Kecamatan Kedewan, Kabupaten Bojonegoro, serta mengevaluasi kesesuaiannya terhadap komoditas pertanian utama di daerah tersebut. Metode yang digunakan meliputi pengambilan sampel tanah di tiga lokasi berbeda, analisis laboratorium untuk menentukan persentase fraksi pasir, debu, dan liat, serta klasifikasi tekstur menggunakan segitiga tekstur USDA. Hasil analisis menunjukkan bahwa tekstur tanah di lokasi penelitian berkisar antara lempung berpasir hingga lempung, yang memiliki pengaruh terhadap kemampuan tanah dalam menyimpan air dan unsur hara. Berdasarkan hasil evaluasi, sebagian besar lahan tergolong sesuai (S2) hingga sesuai marginal (S3) untuk komoditas pertanian seperti jagung dan kedelai. Penelitian ini memberikan dasar ilmiah bagi perencanaan tata guna lahan pertanian yang lebih berkelanjutan di wilayah tersebut.
ASSESSMENT OF BENGAWAN SOLO RIVER RAW WATER QUALITY USING THE POLLUTION INDEX Intan Ayu Pebiola; Heri Mulyanti; Laily Agustina Rahmawati
Analit : Analytical and Environmental Chemistry Vol. 10, No. 01 April (2025) Analit : Analytical and Environmental Chemistry
Publisher : Jurusan Kimia FMIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/analit.v10i01.215

Abstract

The Bengawan Solo River is a primary water resource in Central and East Java. Human activities along the Watershed (DAS) have affected water quality. This study evaluates the water quality of the Bengawan Solo River during the dry and rainy seasons from 2019 to 2023 using the Pollution Index (IP) method, based on secondary data from Perum Jasa Tirta I at four locations: upstream, middle, downstream 1, and downstream 2. The analyzed parameters include physical (temperature, TDS, TSS), chemical (pH, DO, BOD, nitrate), and biological (Total coliform) aspects. The results indicate that pH, TDS, and nitrate remain within quality standards, whereas temperature, BOD, DO, and TSS often exceed the limits, especially during the rainy season. The Pollution Index (Pij) suggests better water quality in the dry season, predominantly classified as "Lightly Polluted." However, in the 2021 rainy season, two locations reached the "Moderately Polluted" category, indicating that rainfall contributes to increased pollution.
Efektivitas Membran Reverse Osmosis pada Pengolahan Limbah Cair di Industri Migas Anggraini, Adinda Dhayu; Mulyanti, Heri
Jurnal Jaring SainTek Vol. 7 No. 2 (2025): Oktober 2025
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/a68c4y04

Abstract

This study aims to evaluate the effectiveness of Reverse Osmosis (RO) membranes in reducing Total Dissolved Solids (TDS) in wastewater treatment in the oil and gas industry. High levels of TDS in industrial wastewater can affect equipment performance and does not meet water quality standards. The study used a descriptive quantitative approach with observation, interviews, literature studies, and company data analysis methods. The RO system implemented included pretreatment, chemical injection, high-pressure filtration, and storage of treated water. The results showed a significant decrease in TDS from 1,200 mg/L to 150 mg/L (efficiency 87.5%), turbidity from 3.2 NTU to 0.8 NTU (75%), and total hardness from 450 mg/L to 80 mg/L (82.2%), while pH was stable in the range of 6.8–7.1. These results prove that RO technology is capable of producing water with quality that meets the quality standards of the Minister of Health Regulation No. 492 of 2010. This study confirms the superiority of RO as an effective industrial water treatment method and recommends further research on operational costs, energy efficiency, and fouling control for long-term optimization.
PENINGKATAN PARTISIPASI MASYARAKAT MELALUI PEMANFAATAN BSF DALAM PENGELOLAAN SAMPAH ORGANIK MENJADI PAKAN TERNAK DAN PUPUK ORGANIK Elvania, Nindy Callista; Heri Mulyanti; Eka Luluk Fitriani; Reva Putri Sugianti
Jurnal Abdi Masyarakat Vol. 9 No. 1 (2025): Jurnal Abdi Masyarakat November 2025
Publisher : Universitas Kadiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jaim.v9i1.6423

Abstract

The problem of household organic waste remains an environmental issue that requires effective management in various regions, including Jelu Village. This community service activity aims to increase active community participation in organic waste management through the use of Black Soldier Fly (BSF) larvae. BSF cultivation technology was chosen because it can quickly decompose organic waste and produce by-products in the form of animal feed and organic fertilizer. This program was implemented through an educational approach, technical training, and direct mentoring for residents from several neighborhood units (RT) in Jelu Village. The results of the activity showed an increase in community knowledge and skills in BSF cultivation, with maggot production reaching 2 kg in three weeks and daily organic waste management of around 4–5 kg. Furthermore, the community was also able to independently build cultivation cages. This activity has succeeded in raising ecological awareness while providing economic benefits, and is expected to become a model for sustainable organic waste management at the village level.