BS 10175:2011+A1:2013 Investigation of potentially contaminated sites. Code of practice
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BS 10175:2011+A1:2013

Investigation of potentially contaminated sites. Code of practice

Status : Current, Work in hand   Published : March 2011



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Contaminated land contains harmful chemicals in sufficient quantities so as to present a risk or potential risk to human health or the environment. The law dictates when land is legally defined as being 'contaminated' and tries to ensure that such land does not present a significant risk to health or the environment. 

The Government's long-term aim is to work towards a future where all the potentially contaminated land in England and Wales has been identified, assessed and made safe. The scale of the task means this is likely to take many years to achieve.

To assist this study, BSI has published BS 10175 Investigation of potentially contaminated sites - Code of practice. This British Standard provides recommendations and guidance on the investigation of land potentially affected by contamination or naturally elevated concentrations of potentially harmful substances in order to determine or manage any risks. 

BS 10175 allows users to:

  • Set the objectives of an investigation
  • Develop a strategy for the investigation
  • Identify risks arising from the presence of contamination
  • Design the different phases of the investigation
  • Carry out sampling, field testing and laboratory analysis
  • Enable risk assessment of a potentially contaminated site.

It is intended for use by those with an understanding of the risk‑based approach to the assessment of sites as described in the Model Procedures for the Management of Land Contamination (CLR 11) [31].

The relevant recommendations and guidance within this standard are intended to ensure that the objectives of an investigation are achieved and that appropriate data for the risk assessment are obtained. However, it is not feasible to provide detailed guidance for every possible investigation scenario.

The results of the investigation ought to delineate all known aspects of the site that could impinge upon or affect source-pathway-receptor scenarios defined within the conceptual model.

This is an amendment to BS 10175:2011 due to the publication of the new BS 8576 and planned revision of BS 5930 Code of practice for site investigations.


  1. Scope
  2. Normative references
  3. Terms and definitions
  4. Setting the objectives of an investigation
  5. Developing an investigation strategy
  6. Preliminary investigation
  7. Design and planning of field investigations
  8. Fieldwork
  9. Off-site analysis of samples
  10. Reports
  11. Annexes
  12. Bibliography 
  13. List of figures
  14. List of tables

Standard NumberBS 10175:2011+A1:2013
TitleInvestigation of potentially contaminated sites. Code of practice
StatusCurrent, Work in hand
Publication Date31 March 2011
Cross ReferencesBS 5930, BS 6068-6.4, BS 6068-6.12, BS 6068-6.14, BS 6187, BS 8485, BS 8576:2013, BS EN 12457, BS EN ISO 5667-1, BS EN ISO 5667-3, BS EN ISO 14688, BS EN ISO 17025, BS ISO 5667-5, BS ISO 5667-6, BS ISO 5667-11, BS ISO 10381-1, BS ISO 10381-2, BS ISO 10381-3, BS ISO 10381-6, BS ISO 11074, BS ISO 11464, BS ISO 14507:2003, BS ISO 18512:2007, BS 1377, BS 1747, BS 22475:2011, BS ISO 3534-1, BS ISO 5667-22, BS ISO 15175, BS ISO 15176, BS ISO 18283, BS ISO 18589, BS ISO 23909, DD ISO/TS 17924, BS ISO 10381-3:2001, ISO 10381-7, ISO 10381-8, ISO 12404, ISO 15799, ISO 15800, ISO 17402:2008, ISO DIS 11504, ISO/DIS 13196, DD ENV ISO 13530, Environmental Protection Act 1990, Contaminated Land (Wales) Regulations 2006, Contaminated Land (Scotland) Regulations 2000, Contaminated Land (England) Regulations 2006, Environment Act 1995, Radioactive Contaminated Land (Modifications of, Enactments) (England), Regulations 2006, Radioactive Contaminated Land (Modifications of, Enactments) (Wales), Regulations 2006, Radioactive Contaminated Land (Scotland) Regulations, 2007, Water Resourc
ReplacesBS 10175:2001
Amended ByAmendment, October 2013
Draft Superseded By13/30282172 DC
DescriptorsSite investigations, Dangerous materials, Field testing, Sampling methods, Land pollution, Gases, Pollution, Chemical analysis and testing, Risk assessment, Surface water, Soil pollution, Ground water, Environmental cleanliness, Contamination, Toxic materials, Laboratory testing, Project management
Title in GermanUntersuchung von moeglichen verseuchten Gelaenden. Leitfaden
ISBN978 0 580 82814 0
File Size1.295 MB

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