Section 15-407 - Pozzolan(a) In this section, "pozzolan" means the finely divided residue which results from combustion of ground or powdered coal and is released by combustion gases, as defined by the test methods published by the American Society for Testing Methods.(b)(1) Any person who uses pozzolan for landfill shall do so in a manner which complies with sound engineering practices.(2) Any person who uses pozzolan for landfill, structural building, soil improvement, agriculture, soil conditioning, or land reclamation shall minimize dust and wind erosion and shall comply with all silt control regulations and permit requirements of the Department.