提供紧凑型埋地结构外表面阴极保护指南，包括储罐区、油站储罐、塔基、钢桩（土壤中）、短井铸件、压缩机泵站和相关管道工程。

Provides guidelines for the cathodic protection of external surfaces of compact buried structures, including tank farms, service station tanks, tower footings, steel pilings (in soil), short well castings, compressor pump stations and associated pipe work.