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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Formosa Journal of Multidisciplinary Research (FJMR)
Pertiwi Andarani
Universitas Diponegoro
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Assessing Occupational Noise Exposure and Blood Pressure of Cabin Personnel of an Indonesian Diesel Train Wiwik Budiawan; Pertiwi Andarani; Lare Demetria Agiasti
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 19, No 2 (2022): July 2022
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1046.532 KB) | DOI: 10.14710/presipitasi.v19i2.271-279

Abstract

Noise may cause serious health problems, including physiological responses, specifically in the cardiovascular system. This study aims to assess occupational noise exposure and analyze the correlation between occupational noise and blood pressure in cabin and station personnel. The participants were 30 cabin personnel (train drivers) and 30 station personnel. The cabin had a Leq of 90.3 dBA while the noise level at Poncol Station was still below the threshold limit value (TLV), i.e., 75.8 dBA. The noise exposure assessment also included noise exposure profiling. The Chi-square test showed that noise influenced systolic and diastolic blood pressure changes. Furthermore, for train drivers, the t-test showed a difference in systolic and diastolic between before and after the activity. As for station personnel, there was a difference in systolic, but contrarily it was not the case in diastolic. According to the noise profile, the train whistle had the most significant noise level at 120 dBA. Moreover, the use of a train whistle regularly may raise the noise level exposure to cabin staff and even station workers. This study contributes to scientific evidence that occupational noise might affect blood pressure
ANALYSIS OF THE QUALITY OF WASTEWATER FROM THE TOFU AND MEATBALL INDUSTRY BASED ON BOD, PH, COD AND TSS PARAMETERS IN THE SENDANGGUWO SUB-DISTRICT, SEMARANG CITY Nur Taufik; Bambang Yulianto; Pertiwi Andarani
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 6 No. 3 (2026): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.19102833

Abstract

The meatball tofu industry in Sendangguwo Village, Semarang City, is a micro, small, and medium enterprise (MSME) with unique characteristics. It operates as a meat processing unit sourcing raw tofu externally. Its intensive animal protein processing generates liquid waste with a very high organic load. This study aims to analyze the liquid waste quality based on TSS, pH, BOD, and COD parameters, evaluating compliance with recent regulations. The research employs a quantitative descriptive method with longitudinal sampling at three points: upstream (X1), waste convergence point (X2), and downstream (X3). Analyses were conducted in an accredited environmental laboratory using SNI methods. Results indicate the Sendangguwo River's water quality significantly exceeds the Class II standards of Government Regulation No. 22 of 2021. At the discharge point (X2), BOD reached 107.25 mg/L and COD 143.29 mg/L. While statistically below the emission limits for the Meat Processing Industry under Central Java Regional Regulation No. 5 of 2012, technical analysis confirms the raw effluent concentration breaches regulations before river dilution. The river's water quality is categorized as "Heavily Polluted," necessitating interventions like grease traps and communal wastewater treatment systems.
Analysis of the Willingness of Tempe Home Industry Business Actors to Implement Phytoremediation Methods Using Water Spinach (Ipomoea aquatica Forsk) in Pliken Village, Kembaran District, Banyumas Regency Rahel Rosana Pramudiva; Rully Rahadian; Pertiwi Andarani
Formosa Journal of Multidisciplinary Research Vol. 4 No. 5 (2025): May 2025
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjmr.v4i5.196

Abstract

The purpose of this study was to analyze the willingness of the community, namely tempe home industry business actors and the constraints faced in the application of phytoremediation methods using water spinach (Ipomoea aquatica) for the treatment of tempe liquid waste. Data collection was carried out through interview methods and distributing questionnaires with Likert scale calculations to 30 tempe business respondents. The results showed that the average home industry tempeh factory business actors in Pliken Village partially agreed with the implementation of the phytoremediation program in the management of tempeh liquid waste using water spinach plants (Ipomoea aquatica). The obstacles faced in implementing the research results of the phytoremediation program in the community in Pliken Village are: (I) Time factor; (II) Economic factor, (III) Mindset factor, (IV) Lack of knowledge factor.
Co-Authors Bambang Yulianto Lare Demetria Agiasti Nur Taufik Rahel Rosana Pramudiva Rully Rahadian Wiwik Budiawan