DISTRIBUSI RADIONUKLIDA ALAM SAMPEL LINGKUNGAN TANAH, AIR DAN TANAMAN SEKITAR PLTU REMBANG
), Sukirno Sukirno(2),
(1) PSTA - BATAN
(2) PSTA - BATAN
Corresponding Author
Abstract
DISTRIBUSI RADIONUKLIDA ALAM PADA SAMPEL TANAH, AIR DAN TANAMAN DI SEKITAR PLTU REMBANG. Telah dilakukan penelitian radioaktivitas pada sampel air, sedimen dan tanaman (daun singkong) di sekitar Pusat Listrik Tenaga Uap (PLTU) Rembang.Tujuan penelitian ini adalah mengetahui kandungan radionuklida 226Ra, 228Ra, 232Th dan 40K dalam air, tanah dan tanaman yang mencerminkan data lingkungan terkini dalam rangka mendukung program monitoring lingkungan dari pencemaran radioaktivitas di sekitar PLTU Rembang. Pengambilan sampel, preparasi maupun analisis mengacu pada prosedur analisis sampel radioaktivitas lingkungan.Radionuklida alam diukur dengan spektrometri gamma yang dilengkapi detektor HPGe terakreditasi oleh ISO 17025 tahun 2008. Hasil yang diperoleh menunjukkan radioktivitas dalam air berkisar (0,90-52,0) mBq/L,dalam tanah berkisar (100,06-760,30) Bq/kg sedangkan dalam daun singkong berkisar (24,59 – 60,96) Bq/Kg. Berdasarkan PERKA BAPETEN. No 7 Tahun 2017, nilai batas radioaktivitas di air yang diijinkan berkisar (730 – 1000) mBq/L, sedangkan hasil analisis air yang terdapat disekitar PLTU Rembang masih di bawah nilai batas yang diijinkan oleh BAPETEN.
Keywords
References
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DOI: 10.17146/gnd.2019.22.1.4063
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