OHSAS 18001 Certificate;2007, Health and Work Safety Management (Sistem ManajemenKesehatan & Keselamatan Kerja) implemented by PT Bukit Energi Servis Terpadu (PT BEST) at the two working locations: (PLTU 3X10 MW at Tanjung Enim & PLTU 2X8 MW at Tarahan Coal Terminal) which was carried out by National Accreditation Committee (Komite
Akreditasi Nasional (KAN) through Certificate 0071767-00.