NALCO is to identify abandoned quarries and will undertake necessary surveys in these areas to improve the land use by using fly-ash to substitute soil and fill up quarrying voids, low laying areas, laterite mine voids etc. As a long-term measure for management of fly ash NALCO has been asked by the Odisha government to expedite the process of construction of fly-ash pipe lines and complete it by June, 2012. The guidelines of State Pollution Control Board will be strictly adhered to while transporting the fly ash. Chief Secretary has also advised NALCO authorities to expedite the process of setting up of a cement factory for use of fly ash.
Meanwhile, The Rural Development, Roads & Buildings, Water Resource and Panchyati Raj Departments have been advised to explore the possibility of using fly ash as a sub-base material in construction of roads. Revenue and Agriculture departments have also been advised to work out the possibility of using fly ash for soil amendment and acidity treatment of soil.