N.Y.C. Admin. Code § 17-181: § 17-181 Lead-based paint; dry scraping and dry sanding prohibited.

The dry scraping or dry sanding of lead-based paint or paint of unknown lead content in any dwelling, day care center or school is hereby declared to constitute a public nuisance and a condition dangerous to life and health. For the purpose of this section, dry scraping and dry sanding shall mean the removal of paint or similar surface-coating material by scraping or sanding without using water misting to reduce dust levels or other method approved by the department. The department shall promulgate such additional rules as necessary for the enforcement of this section.