N.Y.C. Admin. Code § 6-315: § 6-315 Other hazardous materials.

a. By January 1, 2008, the director shall promulgate rules to reduce the city's purchase or lease of materials whose combustion may lead to the formation of dioxin or dioxin-like compounds.

b. The director shall investigate the environmental and health effects of composite wood or agrifiber products that contain added urea-formaldehyde resins and, by January 1, 2008, where practicable, shall promulgate rules to reduce the city's purchase or lease of such products.