MALB_2014 with 1-21 Revisions

ANSI/AARST MALB-2014 (with 1/21 revisions) Introduction iii MALB/MAMF Table of Contents 1 SCOPE AND PURPOSE 1.1 Scope 1 1.2 Applicability 1 2 BEFORE YOU TEST 2.1 Which Buildings? 2 2.2 When to Test? 2 2.3 Test Devices 2 2.4 Who Should Conduct the Testing? 3 2.5 Summary of Procedures 4 2.6 Client Communications 5 2.7 Assemble Building Information 6 2.8 Test Device Quality Control 6 2.9 Coordinate Notifications 8 3 TEST LOCATIONS 3.1 Ground-Contact Locations 9 3.2 Upper Floors 9 3.3 Locations Not to Test 9 3.4 Large Rooms or Open Areas 10 3.5 Multi-zone HVAC Systems 10 3.6 Inaccessible Ground-Contact Locations 10 3.7 Choosing A Room 10 3.8 Choosing A Location Within A Room 10 Table 3.8 Test Locations Within A Room 11 4 TEST CONDITIONS REQUIRED 4.1 Closed-building condition requirements 12 Table 4-A Essential Requirements 12 4.2 HVAC Ventilation 12 4.3 Upper Floor Rooms and Dwellings 12 Table 4-B Construction, Renovations, Repairs 13 Table 4-C Additional Clarification 13 5 TESTING PROCEDURES AND OPTIONS 5.1 Detector Deployment Periods 14 5.2 Evaluation of Occupied / Unoccupied 14 5.3 Time-Sensitive Testing Option 15 5.4 Extended Testing Option 16 5.5 Testing A Single Room or Dwelling 17 5.6 New Construction 17 5.7 Post-mitigation Testing Protocols 17 6 CONDUCTING THE TEST 6.1 Quality Control — Test Conditions 18 6.2 Quality Control — Valid Tests 20 6.3 Quality Control — Devices 20 6.4 Test Site Documentation 21 6.5 Submitting Detectors to a Laboratory 21 7 ACTIONS BASED ON TEST RESULTS 7.1 Action Level Guidance 22 7.2 When Two Test Results Disagree 22 7.3 Post-Mitigation Testing Protocol 23 8 TEST REPORTS 8.1 Conventions 25 8.2 Summary Reports 25 Table 8-A Low Concentrations 28 Table 8-B Elevated Concentrations 29 8.3 Summary Report Attachments 31 8.4 Additional Test-Data 32 8.5 Other Reporting and Disclosures 33 8.6 Retention of Records 33 9 DEFINITION OF TERMS 34 INFORMATIVE EXHIBITS 1 Sample Form—Authorizations 40 2 Sample Form—Client Commitments 41 3 Sample Notice—General Occupant Notice 42 4 Sample Notice—Public Notice Poster 43 5 Sample Instructions—Building Staff 44 6 HVAC Group Descriptions 45 7 Sample—Floor Plan Diagram 48 8 Sample—Door Hanger Notice/Placards 49 NORMATIVE APPENDICES A Reporting Building Operating Conditions A-1 B Evaluation of Occupied Versus Unoccupied Concentrations B-1 C Upper floors—Elevated Concentrations C-1 CONSENSUS BODY MEMBERS COMPANION GUIDANCE CG-1 Introduction to Radon 1 CG-2 Guidance to Building Managers 3 CG-3 Descriptions of Test Devices 7 CG-4 Chain of Custody 8 CG-4 Calculating Average Conditions 9