I-131 Dispersion from the Stack to Environment of Soil and Grass Aradiosotope Production Facility, Serpong, Indonesia


  • Gatot Suhariyono National Nuclear Energy Agency (BATAN) and University of Indonesia
  • Haryoto Kusnoputranto
  • Kardono, Syahrir


I-131, Iodine-131, stack, soil, grass, environment, rain, humidity, sun


Radioisotope production installation in Serpong produces and processes I-131 that can disperse into the environment around the Serpong Nuclear Area (SNA). I-131 produced routinely for medical purposes in hospitals and pharmacies. I-131 can cause thyroid cancer. I-131 is the largest radionuclides released from a nuclear accident than other radionuclides. Grass is a plant that can be used to reduce heat and air pollution. The measurement method of the I-131 activity concentration at the soil and the grass was carried on simultaneously with the production of I-131 radioisotope production facility in real time. Concentration of I-131 activity in the environment (soil and grass) around the SNA is still below the I-131 quality standard in the environment (63 Bq/kg). Concentrations of I-131 activity average at the grass (± 75%) greater than the concentrations of I-131 activity in the soil (± 25%). Concentration of I-131 activity average in the grass and in the soil highest of the seven research sites are in Jaletreng (4,200 m at the North of stack (360o)) by 1.62 and 0.41 Bq/kg respectively. Concentration of I-131 activity is high during high humidity (more than 80%) at night or rain, but when the sun rises the opposite effect.

Author Biography

Gatot Suhariyono, National Nuclear Energy Agency (BATAN) and University of Indonesia

Center for technology of Radiation Safety and Metrology (PTKMR)


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How to Cite

Suhariyono, G., Kusnoputranto, H., & Syahrir, K. (2016). I-131 Dispersion from the Stack to Environment of Soil and Grass Aradiosotope Production Facility, Serpong, Indonesia. Asian Journal of Applied Sciences, 4(1). Retrieved from https://ajouronline.com/index.php/AJAS/article/view/3506

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