On July 29, 2016, the Ayutthaya Coal Distribution Center, a domestic operator of Lanna Resources Public Company Limited, has carried out measures concerning the environment, trees have been planted as wind barriers in order to prevent dust pollution, as well as high-pressure water spray system has been set up to constantly spray water around coal stockpiles and hauling roads. The sediment from waste water is contained and not released to the public river. Coal trucks are ensured to have complete coverage, and their wheels are washed to prevent the debris before entering public road. Air and water quality are measured every six months in order to ensure that the dust was effectively in control. Additionally, a close system of large silos has been constructed for coal storage in order to constantly reduce the dust. The Company has been granted the Green Industry Accreditation Level 3 (Green System) from the Ministry of Industry.