scope:

This standard specifies practices, minimum requirements and general guidance for mitigation of radon in existing low-rise and high-rise schools and large buildings. This standard addresses a wide range of schools and large buildings including, among others, the use of a building or structure, or a portion thereof for:

a) Business occupancies (Group B⁶) including for offices, educational and training facilities, professional services or service-type transactions; and

b) Educational occupancies (Group E) including for religious and educational purposes through the 12th grade and day care facilities; and

c) Multi-use buildings or structures that are divided into any combination of occupancies including educational, commercial or residential⁷ within Multi-use buildings or occupancies.

The scope of this standard includes:

a) Techniques that are applicable to whole building considerations yet also apply when implemented to portions of a building or individual occupied spaces; and

b) Practices that are applicable to structures or a portion thereof be they rented, leased or owned including co-op owned buildings.

The scope of this standard also includes:

Assembly occupancies (Group A) including for the gathering of persons for purposes such as civic, social or religious functions; Factory occupancies (Group F) including for fabrication or manufacturing, repair or processing; High-hazard occupancies (Group H); Institutional occupancies (Group I) including for where people are cared for or live in a supervised environment be it under restraint or security, detained in a penal institution, or for medical, surgical, psychiatric, nursing, custodial care or for child care facility purposes; and, Mercantile occupancies (Group M) including for the sale of merchandise, goods, wares or merchandise incidental to such purposes and accessible to the public.

⁶ As point of reference, see the International Building Code (IBC) (as published by the International Code Council).

⁷ For residential dwellings, see ANSI/AARST RMS-MF "Radon Mitigation Standards for Multifamily Buildings".