Conn. Gen. Stat. § 10-231b

(b) No person shall apply a lawn care pesticide on the grounds of any public or private preschool or public or private school with students in grade eight or lower, except that (1) on and after January 1, 2006, until July 1, 2010, an application of a lawn care pesticide may be made at a public or private school with students in grade eight or lower on the playing fields and playgrounds of such school pursuant to an integrated pest management plan, which plan (A) shall be consistent with the model pest control management plan developed by the Commissioner of Energy and Environmental Protection pursuant to section 22a-66 l , and (B) may be developed by a local or regional board of education for all public schools under its control, and (2) an emergency application of a lawn care pesticide may be made to eliminate a threat to human health, as determined by the local health director, the Commissioner of Public Health, the Commissioner of Energy and Environmental Protection or, in the case of a public school, the school superintendent.