Safety Safety Guidance

Guidance on dealing with contamination during an intrusive investigation

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Published July 2012
This guidance is written for intrusive investigations of contaminated sites. Prior to any investigation a desk study should be completed to identify potential contaminants associated with historical and current activities on the land. Hazards associated with these contaminants should then be used to inform a risk assessment for the investigation and sampling activities. It should be noted that the desk study information may be incomplete and should be treated as a guide only.

The British Drilling Association’s site categorisation scheme (green, yellow or red) should be determined based on the desk study (BDA 2008). The site category will indicate the type of PPE and safety equipment needed for the investigation.