Standard Practice for Processing Mixtures of Lime, Fly Ash, and Heavy Metal Wastes in Structural Fills and Other Construction Applications
4.1 This practice provides users with current methods for preconditioning, handling, processing, and means of characterizing the materials that are produced.
4.2 Lime and fly ash, and mixtures of lime and fly ash can be useful for treating hazardous and nonhazardous waste as follows:
4.2.1 Treating hazardous waste for potential resource recovery application,
4.2.2 Solidifying liquids and sludges that are banned from land disposal because of excess free liquid content,
4.2.3 Treating hazardous waste that may require treatment because of hazardous constituents prior to land disposal, and,
4.2.4 Treating hazardous waste for potential delisting to a nonhazardous waste status. Each one of these applications, however, must comply with requirements of the Resource Recovery and Conservation Act and the Hazardous and Solid Waste Amendments.
1.1 This practice provides descriptions and references of existing test methods and commercial practices relating to the processing of lime, fly ash, and heavy metal wastes in construction applications.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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