
Contamination Risk Assessment & Remediation Planning
Assess contamination risks and develop EPA-compliant remediation strategies
What You Can Do
You can conduct structured contamination risk assessments that synthesize site data, toxicological information, and regulatory requirements into defensible remediation strategies. The skill guides you through exposure pathway analysis, generates multiple remedial action alternatives with cost-benefit comparisons, and produces documentation that accelerates permitting and regulatory approval.
Features
systematically quantify human health and ecological exposure pathways using standardized methodologies
define clear, measurable cleanup goals aligned with regulatory requirements and risk thresholds
generate 3-5 distinct remedial strategies (no action, monitored natural attenuation, active treatment) with technical feasibility and cost estimates
compare capital costs, O&M expenses, implementation timelines, and residual risk across alternatives
structure Feasibility Studies (FS) and Engineering Evaluation/Cost Analysis (EE/CA) sections that meet EPA and state agency requirements
flag missing information critical to decision-making before expensive field investigation
visualize and quantify contaminant routes (soil ingestion, groundwater, vapor intrusion) to human and ecological receptors
evaluate monitored natural attenuation as alternative to active remediation
Example Output
Risk Assessment Summary for Chlorinated Solvent Site:
- Exposure Pathways: Groundwater ingestion (residential well users), vapor intrusion (building occupants), soil contact (construction workers)
- Hazard Quotient: 2.3 (unacceptable for residential scenario)
- Critical COCs: TCE (groundwater), PCE (soil vapor)
Remediation Alternatives:
- No Action: Risk remains unacceptable; regulatory rejection likely
- In-Situ Soil Vapor Extraction + Monitored Groundwater: $180K–220K capital; 3-year timeline; reduces HQ to 0.8
- Pump-and-Treat with Activated Carbon: $380K–420K capital; 5-year timeline; reduces HQ to <0.5
- Excavation + Off-Site Disposal + MNA: $620K–750K capital; 1-year implementation; residual groundwater risk managed via EA
Recommendation: Alternative 2—best balance of cost, timeline, and risk reduction; recommend supplemental soil sampling at 5 locations to refine design.
What's Included
- SKILL.md instruction file with assessment frameworks and decision logic:
- Site Characterization Checklist: critical data elements for contamination assessment
- Exposure Pathway Quantification Template: receptors, routes, and hazard calculation worksheets
- Remediation Alternatives Comparison Matrix: capital cost, O&M, timeline, effectiveness, and permitting burden across options
- Feasibility Study (FS) Outline: regulatory-compliant document structure for EPA and state submission
Who It's For
- Environmental engineers — designing remediation strategies for contaminated sites
- Remediation project managers — developing Feasibility Studies and coordinating regulatory approvals
- Environmental consultants — supporting clients through contamination assessment and strategy selection
- Property owners/developers — evaluating remediation costs and timelines for acquisition or redevelopment decisions
- Regulatory compliance specialists — preparing defensible documentation for agency negotiation
Best For
- Initiating new remediation projects with systematic assessment frameworks
- Quantifying human health and ecological exposure pathways using EPA methodologies
- Developing Feasibility Studies (FS) and Engineering Evaluation/Cost Analysis (EE/CA) documents
- Comparing multiple remedial alternatives and justifying selection to regulators
- Evaluating Natural Attenuation viability versus active remediation
- Preparing regulatory meetings and supporting permit applications







