RRNC-2020

RRNC Introduction Rough-in of Radon Control Components in New Construction of 1 & 2 Family Dwellings and Townhouses ANSI/AARST RRNC 2020 introduction Scope Summary This standard provides minimum requirements for the rough-In of radon control system components in new dwelling units under construction. This standard is harmonized with ANSI/AARST CCAH, which additionally addresses requirements for verifying if radon concentrations are below the national action level and, if required, activation of radon control systems. Significance of Use This standard was developed to respond to the threat of cancer caused by radon gas in homes. Radon is the leading cause of lung cancer among nonsmokers and the second leading cause of lung cancer in the general population. 1 Most people receive their greatest exposure to radon in their homes. Radon in U.S. homes causes approximately 21,000 lung cancer deaths each year. 2 Be it at home, work or school, an individual’s exposure to radon gas combines over time to increase the risk of preventable lung cancer. Designation of this standard: RRNC As used for catalogue identification, “RRNC” stands for Radon Rough-in for New Construction. The Consensus Process and Continuous Maintenance The consensus process developed for the AARST Consortium on National Radon Standards and as accredited to meet essential requirements for American National Standards by the American National Standards Institute (ANSI) has been applied throughout the process of approving this document. This standard is under continuous maintenance by the AARST Consortium on National Radon Standards a program has been established for regular publication of addenda or revisions, including procedures for timely consensus action on requests for change to any part of the standard. User Tools: User tools are posted online ( https://standards.aarst.org/public-review/ ) as they become available such as interpretations and approved addenda updates across time. AARST Consortium on National Radon Standards Website: www.standards.aarst.org Email: standards@aarst.org 527 N Justice Street, Hendersonville, NC 28739 Notice of right to appeal: Bylaws and procedures for the AARST Consortium on National Radon Standards available online ( https://standards.aarst.org/public-review/ ). Section 2.1 of Appendix B (Operating Procedures for Appeals) states, “Persons or representatives who have materially affected interests and who have been or will be adversely affected by any substantive or procedural action or inaction by AARST Consortium on National Radon Standards committee(s), committee participant(s), or AARST have the right to appeal; (3.1) Appeals shall first be directed to the committee responsible for the action or inaction.” Disclaimer: The AARST Consortium on National Radon Standards strives to provide accurate, complete and useful information. The AARST Consortium on National Radon Standards will make every effort to correct errors brought to its attention. However, neither the AARST Consortium on National Radon Standards, its sponsoring organization the American Association of Radon Scientists and Technologists nor any person contributing to the preparation of this document makes any warranty, express or implied, with respect to the usefulness or effectiveness of any information, method or process disclosed in this material. Nor does AARST or the AARST Consortium on National Radon Standards assume any liability for the use of, or for damages arising from the use of, any information, method or process disclosed in this document. It is the sole responsibility of radon practitioners using this standard to stay current with changes to the standard and to comply with local, state and federal codes and laws relating to their practice. 1 World Health Organization, “WHO Handbook on Indoor Radon: A Public Health Perspective” 2009 2 National Academy of Sciences, “Biological Effects of Ionizing Radiation” (BEIR VI Report) 1999

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