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.
New, more proportionate and targeted approach for higher-risk building assessments.
Government brings British Steel into public ownership.
UKCW Birmingham returns with bold new theme and focus.
New guidance published on competence requirements for self-certification schemes.
Construction Management, 8 July
NEETs crisis drives interest in trades, but apprenticeships barriers remain.
Passive fire protection webinar
MEP services penetration seals.
Where its at podcast (and video) - The role of the Architectural Technologist as an Expert Witness.
More than 200 remarkable buildings added to SAVE’s Buildings at Risk register.
Government scraps pre-application consultation for Nationally Significant Infrastructure Projects.
Historic England and infrastructure
New projects offer opportunities for the historic environment and local communities.
Construction Management, 2 July
Construction deaths halve in two years.
Green Book changes to drive investment in all parts of UK.

















