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.
Communities will be able to build their own clean energy.
Why diversity and inclusion matters for SMEs
CIOB’s D&I Charter shows how practical changes can support long-term growth.
Cut electricity bills to power growth
Coalition sends joint letter to the Chancellor.
Gasholders: a history in pictures. Book review.
Recognition, influence and growth
SocEnv identifies three strategic pillars in new strategy to 2045.
Discover the future of roofing, cladding and insulation.
New guidance for professional practice, cultural change and regulation in social housing.
The heritage of nuclear and conventional power stations.
New measures to stop people being ripped off
Government to protect families from cowboy builders and aggressive bailiffs.
New Futurebuild showcase brings an innovation-first approach.
National Planning Policy Framework
Understanding the 2026 changes.
ECA's public affairs priorities
Member consultation opens to shape priorities for 2027 to 2030.