Risk Evaluation Resources


The screening levels in the links below should be used to identify the site contaminants and delineate their extent.

     Preliminary Soil Remediation Goals (PSRG) Table (June 2021)
     PSRG Table in Excel (June 2021)
     Groundwater Standards and IMACs (15A NCAC 02L)
     Surface Water Standards (15A NCAC 02B)

Calculating Risk

A risk calculator is provided to quantify human health risks when multiple contaminants are present and when conditions justify using site-specific input parameters. 

     DEQ Risk Calculator (June 2021)
DEQ Risk Calculator User Guide (February 2021)
     Risk Assessment Equations and Calculations (August 2021)
     What's New to the DEQ Risk Calculator (June 2021)


Risk Based Remediation Training (May 2017)

Contact the appropriate oversight program with any questions.

What They’re Saying: 

This article first appeared in Environmental News, the newsletter of the Environment, Energy & Natural Resources Law Section of the North Carolina Bar Association

    Risk-Based Site Closure: Not Just for Toxicologists and Risk Assessors