Radon 202: Inspecting Mitigation Systems
I. General Overview
5 Topics
Definition of Mitigation System
Goals of Radon Mitigation Systems
Additional Benefits of Mitigation Systems
Mitigation System Compliance
Post Mitigation Testing Requirements
II. Active Mitigation Systems
10 Topics
Types of Active Mitigation Systems
Sub-Membrane Depressurization (SMD)
Understanding Systems With Multiple Suction Points
Vent Pipe Requirements
Variances
Entry Routes and Sealing Requirement for Active Systems
Fan Location Criteria
Exterior Fan Installation
Electrical Requirements
Required Labeling of Active System Pipes
III. Passive System Installation
9 Topics
The Radon Resistant Construction Act
Passive Pipe Installation
Vents In Crawlspaces
Soil Gas Retarders
Proactive New Construction Design Requirements
Required Labeling of Passive Pipes
Combination Foundations
Joints in Air Ducts and Plenums
Activation of Passive Systems
Radon 202: Inspecting Mitigation Systems Final Exam
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Post Mitigation Testing Requirements
Radon 202: Inspecting Mitigation Systems
I. General Overview
Post Mitigation Testing Requirements
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No less than 24 hours after installation.
No more than 30 days after installation.
Not to be conducted while temporary radon reduction measures are in use.
Closed-building conditions and all other test protocols apply.
32 ILAC 422.130 (i)
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