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Risk Assessments and RBCA Studies Services
Risk assessment is the scientific methodology that allows quantitative analytical techniques to be used in decision-making regarding the type and/or amount of remediation, if any, that is required at a particular site. Risk assessment considers information describing an actual or potential release of chemicals or pathogens, the opportunity for human contact with the chemicals or pathogens, the potential level of exposure, the health effects of these agents, and the expected degree of harm. Risk assessments can be performed for hazardous waste sites, exposure to chemicals in the workplace or assessing acceptable cleanup levels for waste sites. Risk assessments can be a valuable cost saving tool in negotiating with regulatory agencies during initial facility sitting discussions, or when determining emergency response needs.
Risk-Based Corrective Action (RBCA)
Risk-Based Corrective Action or RBCA refers to a systematic, tiered method for managing environmental contamination. In the RBCA approach, all decisions related to site remediation are based on the evaluation of the potential risk to human health and environment. Accordingly, the goals of the
RBCA process is:
- Protection of human health and environment.
- Practical, cost-effective allocation of risk-based decision making.
- Consistent and technically defensible administrative processes.
A detailed framework for taking risk factors into account in making corrective action decisions has been developed by the American Society of Testing Materials (ASTM).
Why Select a RBCA for a Site?
The use of the RBCA approach has shifted remediation goals from the clean-up action levels. RBCA integrates EPA risk assessment practices with traditional site assessment and remedy selection in order to find a sufficiently protective, cost-effective alternative to site closure. With RBCA, clean-up goals are determined on containment or on achieving a given risk-based concentration of contamination at a point of compliance, not by achieving a given
Concentration level at every point on a site.
ISC Can Help
In developing an effective solution to clean-up problems on contaminated property, an experienced environmental consultant can make all the difference. The staff at ISC has experience in all types of site investigation and clean-ups. ISC has all the tools to help define a contamination problem, including soil and groundwater sampling equipment, and groundwater aquifer flow modeling to provide predictive information.