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Lead contamination in coastal sediments, Buyat Bay: Spatial assessment in North Sulawesi, Indonesia Rondonuwu, Glorya; Maddusa, Sri Seprianto; Umboh, Jootje
SAMATA JOURNAL OF PUBLIC HEALTH SCIENCE Volume 5, Issue 2, March-August 2026
Publisher : Program Studi Kesehatan Masyarakat UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/sociality.v5i2.67262

Abstract

Heavy metal contamination remains a persistent environmental and public health concern in coastal ecosystems, yet recent information on lead (Pb) accumulation in Buyat Bay sediments is limited; this study provides an updated site-specific assessment of Pb distribution and sediment-quality status. This study aimed to analyze Pb concentrations in sediments of Buyat Bay, North Sulawesi, Indonesia, and compare the measured values with the National Oceanic and Atmospheric Administration (NOAA) Sediment Quality Guidelines. A descriptive survey design was applied through field sampling and laboratory analysis. Sediment samples were collected from 16 purposively selected sampling points in November 2025 and analyzed at the Center for Health Laboratory of Makassar using Inductively Coupled Plasma–Mass Spectrometry (ICP-MS). Pb was detected in all sediment samples, with concentrations ranging from 2.6145 to 30.2823 µg/g and an average concentration of 6.7405 µg/g. The highest concentration was recorded at Point 9, indicating spatial variation in Pb accumulation across the bay. All concentrations were below the NOAA Effects Range Low value of 46.7 µg/g, suggesting a relatively low probability of adverse biological effects. Nevertheless, the widespread detection of Pb supports continued environmental surveillance, integrated monitoring of sediments and marine biota, and preventive coastal management to minimize future ecological and public health risks.
Ancaman Merkuri (Hg) pada Pekerja Tambang Rakyat di Desa Bakan Kabupaten Bolaang Mangondow Sulawesi Utara Maddusa, Sri Seprianto; Asrifuddin, Afnal; Mantjoro, Eva M
Jumantik Vol 10 No 2 (2023): JUMANTIK: Jurnal Mahasiswa dan Peneliti Kesehatan
Publisher : Universitas Muhammadiyah Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29406/jjum.v10i2.6305

Abstract

Latar Belakang: Merkuri (Hg) adalah bahan kimia yang bersifat neurotoksik. Bahan ini dimanfaatkan dalam kegiatan pengolahan emas oleh para penambang emas tanpa izin (PETI) yang berada di Desa Bakan. Tujuan: Penelitian ini bertujuan untuk melihat ancaman kesehatan akibat paparan merkuri pekerja tambang yang ada di Desa Bakan Kabupaten Bolaang Mongondow Provinsi Sulawesi Utara. Metode: Metode penelitian yaitu deskriptif analitik dengan melibatkan 30 responden yang diperoleh dengan metode accidental sampling. Wawancara dilakukan untuk mengetahui penggunaan APD dan penyakit yang dialami. Pengambilan sampel rambut dilakukan terhadap pekerja tambang yang berhubungan secara langsung maupun yang tidak langsung dengan merkuri. Sampel rambut diuji Total Merkuri (T-Hg) di Balai Kesehatan Kota Makassar dengan menggunakan metode ICP-MS (Inductively Coupled Plasma Mass Spectrometry). Hasil: Terdapat tiga responden yang kadar Hg pada rambut melebihi ambang batas (Hg>1). Terdapat 15 responden (50%) yang mengalami gangguan pencernaan dalam 2 minggu terakhir seperti terdapat luka pada rongga mulut, terasa logam di mulut, mual/muntah, mulas/sakit perut, diare/mencret. Tidak ada responden yang menggunakan APD yang lengkap. Kesimpulan: Disimpulkan bahwa merkuri menjadi ancaman Kesehatan para pekerja karena sudah ditemukan pada rambut dan berdampak terhadap Kesehatan. Disarankan agar penambang harus menggunakan APD yang lengkap (Masker pernafasan khusus, kacamata, sarung tangan karet, sepatu boot, pakaian panjang, helem dan pelindung wajah) dan disiplin pada saat bekerja. Disarankan kepada pihak yang berwenang untuk tetap melakukan pemantauan kesehatan pekerja dan pemantauan lingkungan
Analisis Kandungan Kadmium (Cd) pada Sedimen di Perairan Teluk Totok, Minahasa Tenggara Mongkau, Glorya Claritha; Maddusa, Sri Seprianto; Tahulending, Jane M.F.
HORIZON: Indonesian Journal of Multidisciplinary Vol. 4 No. 3 (2026): HORIZON: Indonesian Journal of Multidisciplinary
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/qb9nmf07

Abstract

Heavy metal contamination in coastal waters is an environmental issue that affects ecosystem balance and public health. Cadmium (Cd) is a non-essential heavy metal that is toxic, persistent, and has the potential to accumulate in aquatic sediments. This study aimed to analyze cadmium (Cd) concentrations in sediments from Totok Bay and compare the results with the applicable sediment quality standards. A quantitative descriptive design was employed using field surveys and laboratory analyses. Sediment samples were collected from 16 sampling points using a purposive sampling method at a depth of 10–15 cm. Cadmium concentrations were analyzed using the Inductively Coupled Plasma (ICP) method at the Makassar Public Health Laboratory. The results showed that cadmium concentrations in all 16 sediment samples were below the instrument detection limit (<0.00003 mg/kg). These values were far below the NOAA Sediment Quality Guidelines threshold of 36.6 mg/kg, indicating that all samples met environmental safety requirements. In conclusion, sediments in Totok Bay have not been contaminated with cadmium at levels that pose a risk to the ecosystem or public health. Nevertheless, periodic monitoring remains necessary due to ongoing mining activities in the surrounding area. This study was limited to the analysis of cadmium in sediment media only. Future studies are recommended to investigate other heavy metals and include water and aquatic biota as environmental media to support more comprehensive environmental monitoring.
Co-Authors Adam, Kevin Akili, Rahayu H Alik, Octarens Angelia, Gabriele Christy Angkouw, Chyntia Ardiansa A.T Tucunan, Ardiansa A.T Asep Rahman Awali, Nurbaitillah Basri B H. R. Kairupan Bahrain, Nur Evira Anggrainy Blesstinov, Alla Gabriel Chreisye Kardinalia Fransisca Mandagi Diamanis, Celsya Tasya E.D Wuisan, Loissel Engka, Ovilia Natalia Farikah, Tetris Febi Kornela Kolibu Fiorela, Laura Girikallo, Grace Glory Hangkemona, Angelita C. Harvani Boky, Harvani Jootje M. L. Umboh Jootje M.L Umboh, Jootje M.L Jootje M.L. Umboh Joseph, Woodford Baren S. Kapugu, Avinia Kawatu, Paul A. T Lalu, Sweeta T. Lantho, Graselin Lendo, Ceren Lintong, Kheren Liono, Viona Velia Lontaan, Evangeline A. Lukito, Royke Mabuat, John Christian Malonda, Nancy S H Mamahit, Viola Mantjoro, Eva M. Mendila, Meysye Mongkau, Glorya Claritha Mumek, Vanessa Nasira, Azmi Nusu, Servitia Nusu, Servitia Oddi R Pinontoan Paendong, Winner Hiskia George Pamangin, Elsa Mangambe Paparang, Andreas Paputungan, Siti S. Paul A. T. Kawatu, Paul A. T. Pinontoan, Odi Pinontoan, Odie R. Polii, Okan Pomantow, Shalom Messy Thessalonika Rahayu H. Akili, Rahayu H. Rattu, A .J.M. Rawung, Teresia Wulan Maria Rembet, Karla Adelin Rianna J Sumampouw Ricky C. Sondakh Rompas, Clara Lourenza Rompas, Pujiati K.D. Rondonuwu, Glorya Rontos, Arsita Apicillya P. Rumengan, Adeleide Rumerung, Malfin Saba, Risti Iriani Sabanari, Gita Leoni Sabandar, Fridela Sasiang, Evani Sekeon, Sekplin Sinaga, Patricia Sudiyono, Tri Setiawati Sulaemana Engkeng, Sulaemana Sulaiman, Rahma Sumolang, Olfana D Sumolang, Olfana D Suoth, Visi Supit, Grevinda Regita Syaefudin, Tesa L. M. Syarifudin, Andi R. Tahulending, Jane M.F. Tamon, Cecilya Tarumingi, Tania Theresia Senni Tikulembang, Waraney A. Triyono, Trisha Chatlea Louisa Umboh, Jootje Walintukan, Putri Priscila Maria Warouw, Finny Watugigir, Angle T.G Wawointana, Ivana Putri Youlma Wello, Novita L. L. Woodford B. S. Joseph Woodford B.S. Joseph, Woodford B.S. Wulan P.J. Kaunang Yosabam, Reagen