Virginia Construction Code (Part 1 of the Uniform Statewide Building Code - 2009 Edition)
Section 110.3, Asbestos inspection in buildings to be renovated or demolished; exceptions.
States in part:
The provisions of this section shall not apply to single-family dwellings or residential housing with four or fewer units, unless the renovation or demolition of such buildings is for commercial or public development purposes.  The provisions of this section shall not apply if the combined amount of regulated asbestos-containing material involved in the renovation or demolition is less than 260 linear feet on pipes or less than 160 square feet on other facility components or less than 35 cubic feet off facility components where the length or area could not be measured previously.