Contaminant
Approved document C: Site preparation and resistance to contaminants and moisture, 2004 edition incorporating 2010 and 2013 amendments defines contaminant as: ‘Any substance which is or may become harmful to persons or buildings, including substances which are corrosive, explosive, flammable, radioactive or toxic.’
The Biodiversity: The UK Steering Group Report (1995–1999) Volume 1 and Volume 2 accessed via the Joint Nature Conservation Committee defines a contaminant as "A substance which is present in elevated concentrations, but not at levels which cause harm or exceed an environmental quality standard."
See also: Contaminated land.
[edit] Related articles on Designing Buildings
- Approved document C.
- Approved documents.
- Building regulations.
- Contaminated land.
- Cover systems for land regeneration - thickness of cover systems for contaminated land (BR465).
- Deleterious materials.
- Ground conditions.
- Hazardous substances.
- Radon.
- Radon: Guidance on protective measures for new buildings BR 211.
- Types of damp-proof courses.
Featured articles
Check out some of the best features and news from Designing Buildings as well as key stories from around the web.
Green Book changes to drive investment in all parts of UK.
Minimum energy efficiency standards (MEES)
CIAT briefing on response to consultations for privately rented non-domestic properties.
Connect, collaborate, shape the future
Registration now live for UK Construction Week Birmingham.
CIOB announces Saul Humphrey FCIOB as new President for 26/27 term.
A quick, simple, and zero-bills solution to prevent overheating.
The adaptive reuse of large industrial structures.
Promoting the circular economy by extending the life of buildings.
CIAT responds to Climate Change Committee report
An urgent wake-up call for both government and the built environment.
Construction Management, 24 June
FMB pilot aims to build pipeline of site-ready tradespeople.
A quick introduction.
CLC publishes Mental Health Joint Code of Practice.
A quick introduction to its uses and risks.
Construction Management, 17 June
Government rolls out digital planning tool to all local authorities.

















