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Information

RISC is a unique software for evaluating human health risk and determining clean-up levels at contaminated sites. Features include:

  • Customizable chemical database with 82 chemicals.
  • An excel spreadsheet based on the RBCA algorithms that can be used to replicate the tiered RBCA process.
  • Detailed user's manual with three in-depth example problems.
  • Ability to determine risk-based TPH (total petroleum hydrocarbon) targets using the TPH fractions proposed by the U.S. Air Force led TPH Working Group.
  • Ability to calculate additive risk due to multiple pathways, compound and receptors (such as a resident exposed as both a child and an adult). Monte Carlo capabilities for probabilistic risk evaluation.
  • Fate and transport models that distinguish between presence or absence of phase-separated product (NAPL) in the source zone.

Exposure Pathways:

  • Ingestion of soil
  • Dermal contact with soil
  • Ingestion of groundwater
  • Dermal contact with groundwater
  • Inhalation in the shower
  • Inhalation of outdoor air
  • Inhalation of Indoor air
  • Ingestion of surface water
  • Dermal contact with surface water

Fate and Transport Models:

  • Johnson and Ettingerr indoor air model
  • Vadose zone model
  • Saturated zone model
  • Volatilization from groundwater to indoor and outdoor air
  • Outdoor box model