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All Journal Bulletin of Scientific Contribution : Geology Journal of Degraded and Mining Lands Management
Dadong Iskandar, Dadong
Pusat Teknologi Keselamatan dan Metrologi Radiasi – BATAN
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Environmental Science

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POTENSI GEOLOGI REGIONAL KEPULAUAN BANGKA BELITUNG UNTUK TAPAK LANDFILL LIMBAH TENORM Sucipta, Sucipta; Pratama, Hendra Adhi; Iskandar, Dadong
Bulletin of Scientific Contribution Vol 18, No 3 (2020): Bulletin of Scientific Contribution : GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/bsc.v18i3.31168

Abstract

Sebagai  antisipasi kebutuhan masa mendatang dalam penyediaan fasilitas pengelolaan limbah TENORM di Kepulauan Bangka Belitung (Babel), maka salah satunya perlu dipersiapkan fasilitas disposal tipe landfill yang mempertimbangkan aspek keselamatan masyarakat dan lingkungan. Untuk itu sebagai langkah awal perlu dilakukan tinjauan geologi regional Kepulauan Bangka Belitung untuk calon tapak landfill limbah TENORM. Kajian ini dilaksanakan dengan metode deskriptif dengan ruang lingkup studi pustaka, tinjauan terhadap kriteria keselamatan tapak landfill, pengumpulan dan analisis data geologi regional, serta analisis potensinya untuk tapak landfill. Berdasarkan data geologi regional diperoleh beberapa potensi calon tapak dengan batuan pengungkung (hostrock) berupa batuan sedimen (batuan lempungan), hostrock batuan kristalin (granit, granodiorit, adamelit dan lain-lain), dan hostrock batuan metamorf (filit, sekis dan lain-lain). Hostrocks tersebut tersebar di pulau Bangka, pulau Belitung dan pulau-pulau kecil di sekitar pulau Bangka dan pulau Belitung.Kata kunci : geologi regional, tapak, landfill, limbah TENORM
Screening-level assessment of radon, thoron, and gamma radiation exposure in a TENORM-impacted tin mining area, Indonesia Hikmat, Moh Cecep Cepi; Soesilo, Tri Edhi Budhi; Iskandar, Dadong; Soelarno, Soemarno Witoro; Yusuf, Muhammad; Syaeful, Heri
Journal of Degraded and Mining Lands Management Vol. 13 No. 2 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.132.9917

Abstract

Tin mining activities are frequently associated with Technologically Enhanced Naturally Occurring Radioactive Materials (TENORM), potentially increasing environmental radiation exposure. This study elucidated radon (²²²Rn), thoron (²²?Rn), and external gamma radiation in an artisanal tin-mining area in East Belitung Regency, Indonesia. Short-term measurements of radon and thoron were conducted at residential locations, while external gamma dose rates were measured at a tin-processing facility. Annual effective doses and excess lifetime cancer risks were estimated using internationally recommended parameters. Measured concentrations reflected uranium- and thorium-bearing minerals associated with granitic geology and surface disturbance typical of tin-mining regions. External gamma dose rates near ore concentrates and tailings exceeded local background levels, indicating technologically enhanced radiation fields from mineral processing. Although estimated annual effective doses remained below the recommended public limit of 1 mSv y?¹, external gamma radiation was the dominant contributor to total dose, with radon and thoron inhalation representing a secondary but significant pathway. This integrated evaluation emphasizes including thoron in radiation assessments of tin-mining areas, as radon-only assessments may underestimate inhalation exposure in thorium-rich environments. The findings provide baseline data for radiation protection strategies in artisanal mining communities and highlight the need for comprehensive TENORM monitoring in similar settings.
Co-Authors Hendra Adhi Pratama Heri Syaeful Hikmat, Moh Cecep Cepi Muhammad Yusuf Soemarno Witoro Soelarno, Soemarno Witoro Soesilo, Tri Edhi Budhi Sucipta Sucipta