Repositori BKPKPENGARUH MEDAN LISTRIK DAN MEDAN MAGNET (MM) TERHADAP FUNGSI JANTUNG DAN PEMBULUH DARAH PEKERJA OPERASI DAN PEMELIHARAAN GARDU INDUK TEGANGAN EKSTRA TINGGI PENYALURAN DAN PUSAT PENGATURAN BEBAN (P3B) JAWA - BALIAthenaAthenaauthorHendroMauthorFreddyKauthorA research regarding the effects of electric field (EF) and magnetic field (MF) over the personnel heart function of the Operation and Maintenance of the Extra High Voltage Substation and its Network, the Central Electric Operation and Distribution in Jawa - Bali managed by PT PLN (Persero) has been done. This study is part of a research with the broader aspect performing by checking the personnel health problem in general. The research design was cross sectional study by comparing groups of the exposed workers to electric a and magnetic fields, and the non-exposed workers. Each group consists of 166 samples. The exposed workers were operators in operation and maintenance field, non-strained and strained maintenance workers, whereas the non-exposed workers were administration personnel. Data was collected by performing physical health and laboratory examinations, interviews and measuring the strength of EF and MF in the working areas. The ECG examination showed that 9.8 % out of them suffering heart dis-function (7. 4% is chemic disfunction and 2. 4 % impulse disfunction). The exposed workers did have the higher percentage in impulse disfunction, which may caused by electric and magnetic field exposure from the extra high voltage substation electric network, since the heart impulse relates to electrical system in human body, even though the result of its statistical test was not significant enough (p> 0,05).Furthermore, field measurement result showed that the highest strength of electric and magnetic field of the extra high voltage substation was 34. 67 kV/m (electric field) and 56. 0 µT (magnetic field). The levels of EF at some poinls in the extra high voltage substation (switchyard) were exceeded the limit recommended by both The Ministry of Health Regulation 26I/I998 regarding The Health Condition of Working Environment and The National Standard of Indonesia 04-0659-2003 regarding the limit of EF and 'MF' of SUIT/SUTET, however the levels of magnetic field still lower than that of requirement enacted by the both regulations.WG Cardiovascular System2008-12Sekretariat Badan Penelitian dan Pengembangan KesehatanArticle

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