Coal Fly Ash Coal Pulverised Fuel Ash Coal Flue Gas Particle Oil Fly Ash Oil Pulverised Fuel Ash Oil Flue Gas Particle Peat Fly Ash Peat Pulverised Fuel Ash Peat Flue Gas Particle Wood Fly Ash Wood Pulverised Fuel Ash Wood Flue Gas Particle Untreated Wood Fly Ash Untreated Wood Pulverised Fuel Ash Untreated Wood Flue Gas Particle Co-Incineration Coal Fly Ash Co-Incineration Coal Pulverised Fuel Ash Co-Incineration Coal Flue Gas Particle Co-Incineration Oil Fly Ash Co-Incineration Oil Pulverised Fuel Ash Co-Incineration Oil Flue Gas Particle Co-Incineration Peat Fly Ash Co-Incineration Peat Pulverised Fuel Ash Co-Incineration Peat Flue Gas Particle Co-Incineration Wood Fly Ash Co-Incineration Wood Pulverised Fuel Ash Co-Incineration Wood Flue Gas Particle Co-Incineration Untreated Wood Fly Ash Co-Incineration Untreated Wood Pulverised Fuel Ash Co-Incineration Untreated Wood Flue Gas Particle