NYC Rules of the City of New York
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RCNY § 40-01
This chapter applies to the certification for permissible maximum radon and other vapor levels in basement or cellar apartment units as required by § 28-507.4.5.2 of the Administrative Code and sections U202.9 and U202.10 of Appendix U of the New York City Building Code (Chapter 8 of Title 28 of the Administrative Code).
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