Release of the final technical document establishing chRDs for six chemicals to be used in school site risk assessments, including cadmium (1.1 x 10^-5 mg/kg-day), chlordane (3.3 x 10^-5 mg/kg-day), heptachlor (3.0 x 10^-5 mg/kg-day), heptachlor epoxide (1.3 x 10^-5 mg/kg-day), methoxychlor (2.0 x 10^-5 mg/kg-day), and Nickel (1.1 x 10^-2 mg/kg-day).