1. EN 1991-1-2 (2004).
2. Confocal Raman Spectroscopy System, XperRAM S series, Nanobase, South Korea.
3. Field Emission Scanning Electron Microscope, 7800F, JEOL Ltd, Japan.
4. Muffle furnace with flap door, Nabertherm, Lilienthal, Germany.
5. coal combustion product (CCP) production and use;American Coal Ash Association (ACAA),2006