thiS poRtfolio coveRS mill and plantation opeRationS and extendS to finiShed pRoductS. 83Sustainability Report 2011–2012 inteRnational ceRtificationS APRIL’s operations in Riau Province, Indonesia are certified under OHSAS 18001 (Safety Management Systems), ISO 9001 and (Quality Management Systems), and ISO 14001 (Environment Management Systems).