RA CoP Weblog
CH2M HILL's Risk Assessment Community of Practice Weblog
The Human Health and Ecological Risk Assessment Group works with its CH2M HILL clients, delivering environmental problem-solving skills to:
- Influence key remediation decisions to achieve lowest total project cost
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- Provide innovative risk assessment strategies and tools that favorably achieve regulatory and public acceptance
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- Manage natural resource environmental liablilities
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- Identify control strategies for air emissions or wastewater discharge
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- Increase project delivery efficiency and distinguish us in the markeplace
| The Human Health and Ecological Risk Assessment Group provides a range of services...
... to its CH2M HILL clients including:
- Investigation and remedial action planning
- Human Health Risk Assessment
- Ecological risk assessments (RI/FS, RFI/CMS, etc.)
- Ecological risk assessments for managing natural resource liability problems
- Negotiation of cleanup levels and remedy selection
- Air quality and hazardous air pollutants
- Regulatory strategies
Investigation and Remedial Action Planning
- Data quality objectives for investigation work plans and remedial action plans
- data usability criteria for risk assessment, site characterization and remedy selection
- Statistically-based sampling designs
- Target analyte lists and quantitation limits
Human Health and Ecological Risk Assessments
- Baseline Risk Assessments
- Risk-Based Corrective Action (RBCA)
- Exposure modeling to predict exposure point chemical concentrations
- Multi-pathway exposure assessments
- Food-web modeling and biological investigations
- Monte Carlo simulation and other probabilistic estimates of risk
- Cost-effective risk assessments using a tiered approach
- Development of site-specific, risk-based cleanup levels for soil and sediments
- Bioavailability evaluations
- Toxicological assessments
- Air pathway analyses
- Risk assessments for radionuclides and radioactive wastes
Ecological Risk Assessments for Managing Natural Resource Liabilities
- Strategy development for natural resource damage assessments
- Net environmental benefit analysis (NEBA)
- Habitat equivalency analysis
- Restoration-based settlement approaches
- Injury evaluation
- Natural resource trustee negotiations
Air Quality and Hazardous Air Pollutants
- Multiple-pathway risk assessments
- Development of health-based guidance levels in air
- Air dispersion modeling
- Air toxics hot spots analyses (AB2588 in California)
- Indoor air exposure assessment
- Proposition 65 analyses (in California)
More information can be found at the CH2M HILL website (http://www.ch2m.com/flash/Services/markets/environment/Risk/default.htm) or on the CH2M HILL Intranet at http://www.int.ch2m.com/intrnl/voffice/eesbg/risk/default.htm.
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