This chapter addresses procedures for required "method-defined parameters" (MDPs), where the analytical result is wholly dependant on the process used to make the measurement. Examples include the use of the toxicity characteristic leaching procedure (TCLP) to prepare a leachate, and the flash point, pH, paint filter liquids, and corrosivity tests. 

• Chapter 7: Characteristics—Introduction and Regulatory Definitions (PDF)(7 pp, 32 K)