Contamined Land Flashcards
What are the 4 phases of land contamination investigation?
Phase 1: desk study and Walkover
Phase 2: site investigation
Phase 3: remediation
Phase 4: verification
What type of risk assessment is conducted in phase 1 of a land contamination assessment?
A preliminary risk assessment (phase 1)
What type of risk assessments can be raised at phase 2 of a land contamination investigation?
Tier 2 - generic risk assessment
Tier 3 - detailed quantitative risk assessment
What is the output of phase 1: desk study and site Walkover of a land contamination investigation?
Collating:
Historic land use info
Known pollution problems
Obvious contaminating features
Producing risk assessment and report
What is the output of phase 2: site investigation of a land contamination investigation?
Collate:
Site investigation data
Statistical analysis
Identify remedial options
Produce risk assessments
Summarise in report
What is phase 3: remediation?
Production and implementation of a detailed remediation strategy
What is phase 4: verification?
Producing a report on remediation and management
What are some pathways for contaminants?
Geology
Hydrogeology
Mining
What are receptors of ground contaminants?
Site users
Controlled waters
Ecology
Buildings