ASTM D5530-22 Standard Test Method for Determination of Total Humidity in Hazardous Waste Fuels by Karl Fischer Titrimetric method The standard specifies a test method for the determination of total Humidity in hazardous waste fuels by Karl Fischer Titrimetric method (Karl Fischer Titrimetry). Humidity is an important factor affecting the combustion efficiency and storage safety of hazardous waste fuels, so accurate determination of its Humidity is of great significance for environment protection and waste treatment. The standard is applicable to all types of hazardous waste fuels, especially in the case of strict control of Humidity during incineration or conversion. Through this standard method, laboratories can accurately assess the Humidity content of hazardous waste fuels, providing a scientific basis for relevant treatment processes, and ensuring compliance with environmental regulations and safety requirements.