§ 40-04 — Radon level certification
New York City Administrative Code (current through L.L. 2026/147, enacted September 12, 2026, and amendments effective through October 10, 2026) · 24 RCNY § 40-04
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§ 40-04 Radon level certification.
The radon level in any eligible basement or cellar apartment or ancillary dwelling unit must be less than two picocuries per liter of air based upon laboratory results as certified by a qualified radon tester.
