2 | July 2022 AARST TM is a nonprofit, professional organization of members who are dedicated to the highest standard of excellence and ethical performance of hazard identification and abatement of radon, chemical vapor intrusion, and other contaminants of concern in the built environment. The organization primarily strives to advance the interests of its members through developing industry standards, certifying technical proficiency, enabling advancement of public policy, and communicating health risks to the public. OFFICERS PRESIDENT: Kyle Hoylman keh@protectenv.com VICE PRESIDENT: George Schambach george@professionalhome.com VICE PRESIDENT: Dave Hill dhill@spruce.com SECRETARY: Jan Fisher jfisher@certi.us TREASURER: Dan Potter danpotter@dupageradon.com NATIONALLY ELECTED DIRECTORS Lila M. Beckley, PG / lmbeckley@gsienv.com Aaron Fisher / afisher@swatofpa.com Aaron Friedrich / aaron.friedrich@erm.com David Gillay / david.gillay@btlaw.com Dawn Goard / dawn@aceradon.com Dave Kapturowski / dave@spruce.com Eric Lewandowski / ericl@proradon.com John Mallon / john@radondetectionandcontrol.com Dawn Oggier / doggier@spruce.com Duane West / duane@3rsgroup.com CHAPTER COUNCIL ELECTED DIRECTORS Jim Emanuels / peoriaradon@gmail.com Shad M. Evans / shad.evans@protectenvironmental.com STAFF Symposium Manager and AARST Member Services Nicole Chazaud / symposium@aarst.org IT Manager, Software Developer Mike DeVaynes / admin@aarst.org NRPP Credentialing Manager Christina Johnson / certification@nrpp.info National Policy Director Jane Malone / nationalpolicy@aarst.org Director of Proficiency Amy Roedl / proficiency.director@aarst.org Finance Director Andika Susanti / administrator@aarst.org Executive Director Diane Swecker / director@aarst.org Quality Assurance Manager Rebecca Turek / qamanager@aarst.org TABLE of CONTENTS AD INDEX Copyright © 2023 American Association of Radon Scientists & Technologists. All rights reserved. Reproduction in whole or in part of any text, photograph, or graphic without written permission from the publisher is strictly prohibited. Please submit content, comments, or questions t o editor@aarst.org . 5 2023 ANSI/AARST Standards Released 6 New AARST Member Benefit 8 Symposium Preview 11 Good News: International Intercomparison of Radon Calibration Facilities 18 Cost of Radon-Induced Lung Cancer 23 Choosing the “Right” Vapor Barrier 25 AARST Comment on HUD-Proposed Policy 30 Top 3 Radon Insurance Questions 7 10 15 21 AccuStar and Air Chek Laboratories CERTI RadonAway PDS Radon Suppl y 22 AirThings 26 Spruce Training 29 FanTech 31 Lowes