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page title goes here Risk Assessment

Radon Vapor
Intrusion
Screening Levels
(RVISLs)

RVISL Download Area

July 2022

The default RVISLs are available for download in Excel and PDF formats. The tables present RVISLs based on the default WL of 0.02, a target risk of 1× 10-6, and a target dose of 1. These tables are considered ready for use. These exposure pathways can be considered on a site-specific basis in the Calculator.

Screening Levels XLS PDF
Resident and Commercial XLS PDF