The challenge The site in question was an extension to a previous residential development lying in close proximity to occupied housing, having previously been occupied by a furniture factory, paint shop and part of a garage. Investigations by GRM identified contaminants at concentrations that posed significant risks to development workers, future occupants and the environment. GRM first determined the concentrations they needed to reduce the contaminants to, in order to make the site safe. GRM then set about identifying an efficient and effective remedial solution that was relatively inexpensive, caused minimal delay and would not affect the occupants of the nearby houses. The solution Site specific Detailed Quantitative Risk Assessments (DQRA’s) were undertaken to determine acceptable le

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