Mulyanah, Annisa
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Air Quality Analysis in the Vicinity of Tanjung Lesung Beach, Banten Widianti, Riskia Chandra; Syaifullah, Mhd Muslim; Hanifah, Sarina; Mulyanah, Annisa
Jurnal Riset Sains dan Kimia Terapan Vol. 11 No. 1 (2025): Jurnal Riset Sains dan Kimia Terapan, Volume 11 Nomor 1, Juni 2025
Publisher : Program Studi Kimia Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JRSKT.111.02

Abstract

Beaches are among the most popular recreational destinations for the public. This study aims to evaluate the air quality in the Tanjung Lesung coastal area, Pandeglang, Banten, by collecting air samples followed by laboratory analysis. The air pollutants measured in this study include Total Suspended Particulate (TSP), Sulfur Oxides (SOx), and volatile organic compounds such as Benzene, Toluene, and Xylene (BTX). Sampling methods employed were the impinger method for SOx, High Volume Air Sampler(HVAS) for TSP and Pb, and activated carbon and XAD adsorbents for BTX. The results showed that the concentration of TSP reached 421.08 µg/m³, exceeding the national ambient air quality standard of 230 µg/m³. The concentration of SOx was recorded at 0.7837 ppm, which remains within the permissible limit. Meanwhile, BTX compounds were not detected in the air samples, likely due to very low concentrations. These findings suggest that although the coastal air is relatively free from volatile organic compounds, a high level of particulate pollution was observed, which is suspected to originate from nearby industrial activities. Regular air quality monitoring is essential to ensure public health and maintain the comfort of tourist environments.
Pemanfaatan Ekstrak Kubis Ungu sebagai Media Edukasi Deteksi Hidrokuinon dalam Kegiatan Sosialisasi Kosmetik Aman untuk SISWA SMP Widianti, Riskia Chandra; Pratiwi, Yussi; Syaadah, Rika Siti; Nurhaliza, Arinda Putri; Afianto, Riky; Mulyanah, Annisa
Jurnal SOLMA Vol. 14 No. 3 (2025)
Publisher : Universitas Muhammadiyah Prof. DR. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/solma.v14i3.20744

Abstract

Background: The increasing use of skin-whitening creams among adolescents has raised concerns since some products still contain hydroquinone, a hazardous chemical that has been banned by the Indonesian Food and Drug Authority (BPOM). The lack of students’ knowledge about the dangers of hydroquinone and their limited skills in detecting its presence highlight the need for practical educational activities. This community service program aimed to enhance junior high school students’ understanding of hydroquinone hazards and to provide simple detection skills using purple cabbage (Brassica oleracea var. capitata L.) extract as a natural indicator. Methods: The activity was carried out in several stages, including preparation, counseling, demonstration of hydroquinone detection with natural indicators, a question-and-answer session, and evaluation using questionnaires. Results: Evaluation showed that the majority of students responded positively, with most answers falling into the agree and strongly agree categories. This indicates an increase in students’ knowledge about the dangers of hydroquinone, their understanding of simple detection methods, and their awareness to be more selective in choosing cosmetic products Conclusions: The socialization and demonstration activities successfully provided educational benefits, trained students’ basic skills, and supported efforts to prevent the use of hazardous cosmetics. This program is also aligned with the Sustainable Development Goals (SDGs) 12 on responsible consumption and production.