NBN EN 12501-2 : 2003

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Assessment of the corrosion load in soil for a new structure
  to be buried
  4.1 Method
  4.2 Criteria
      4.2.1 Soil conditions
      4.2.2 Preliminary enquiry
      4.2.3 Site survey
      4.2.4 Soil sampling
      4.2.5 Backfill materials
5 Complementary information for an existing structure
  5.1 General
  5.2 Investigations and analysis
Annex A (informative) Procedure for assessing the corrosion load
        in soil in the case of a new structure
Annex B (informative) General principles of soil studies

Applies to the assessment of the corrosion load in soil for low-alloyed and non-alloyed ferrous materials in direct contact with soil.