RMS-LB 2018 with 12/20 Revisions

ANSI/AARST RMS-LB 2018 (with 12/20 revisions) Introduction iii RMS-LB 2018 with 12/20 revisions Table of Contents Page 1.0 Scope 1 2 .0 Applicability 2.1 Mandatory Conventions 2 2.2 Prior systems 2 2.3 Adoption and Use 2 3.0 Qualified Contractors 3.1 Trained Professionals 2 3.2 Contractors, Teams & Qualifications 2 3.3 Quality Management 3 4.0 General Practices 4.1 Assemble Building Information 3 4.2 Proposals 4 4.3 Notification and Hazards 4 4.6 Jurisdictional Authorities 5 5.0 System Design 5.1 Health and Safety 5 5.2 Long-Term Considerations 5 5.3 Appropriate Systems 5 5.4 Nondestructive Investigations 7 5.5 Diagnostic Investigations 11 5.6 Design Decisions 12 Design Decision Flowcharts 13-14 6.0 ASD System Installations 6.1 ASD Suction Points 15 6.2 ASD Piping 18 6.3 ASD Pipe Sizing 22 6.4 ASD Exhaust Discharge 24 6.5 ASD Fan Installation 28 7.0 Sealing 7.1 Background and Accessibility 30 7.2 Sealant Materials 30 7.3 Accessible Cracks 30 7.4 Other Accessible Openings 3 1 7.5 Sumps and Pits 31 7.6 Membranes Over Open Soil 32 7.7 Sub-membrane Depressurization 33 7.8 Drains 33 7.9 Sealed Isolation Assemblies 34 8.0 For All Systems and Methods 8.1 Long-Term OM&M Plan 35 8.2 System Monitors 35 8.3 Electrical 36 8.4 Labeling 37 8.5 Inspection for Compliance 40 8.6 Retention of Records 40 9.0 Post-Mitigation (All Systems) 9.1 Functional Evaluation 41 9.2 Initial Radon Test After Mitigation 41 10.0 Documentation 10.1 Essential Information 43 10.2 When Owner - Occupied 44 10.3 Non-ASD Systems 44 10.4 Inadvertent Collateral Mitigation 44 10.5 When Not Owner - Occupied 45 Table 10.5 OM&M Plan Details 46 11.0 Health and Safety 11.1 Mitigation Installers 47 11.2 Workers and Occupants 48 12.0 Non-ASD Systems and Methods 12.1 For All Non-ASD Methods 50 12.2 Sources of Air 51 12.3 Indoor Air Pressurization 52 12.4 Soil Air Pressurization 53 12.5 Indoor Air Dilution 54 12.6 Soil Air Dilution 54 12.7 Controls for Variable Activation 55 12.8 HVAC Repairs and Modifications 55 12.9 Building Material Sources 55 12.10 Radon from Water 55 12.11 Source Removal 55 12.12 Air Cleaning 56 12.13 Passive Methods and Systems 56 13.0 Description of Terms 58 Exhibit A Sample Notices 61-63 Exhibit B Sample Posted Notice (Caulk) 64 Exhibit C Temporary Label / Risk Chart 65 Appendix A Referenced Publications 66 Appendix B Consensus Body Members 67 Informative RMS-LB Companion Guidance A Guidance for property owners B Guidance when considering Non-ASD C Heating, Cooling and Ventilation Systems D Quality Management E Average Building Operating Conditions F Example Maintenance Logs