包含以下小节:火山灰稳定混合料（PSM）基层或底基层的使用指南、火山灰稳定混合料（PSM）基层或底基层的指导规范、现场路基土壤改良用粉煤灰的使用指南，以及国家公路机构验收粉煤灰的总合同规范。

Contains the following subsections:Guidelines for Usage of Pozzolanic Stabilized Mixture (PSM) Base Course or Subbase,Guide Specification for Pozzolanic Stabilized Mixture (PSM) Base Course or Subbase,Guidelines for Use of Fly Ash for In-Place Subgrade Soil Modification,and General Contract Specifications for Acceptance of Fly Ash by a State Highway Agency.