Document k61p9OKVjX26Ldo2JgR2pkzVJ10. PHOTOCHEMICAL SOURCES OF CDD/CDF - Exposure and Human Health Reassessment of 2,3,7,8-Tetrachlorodibenzo-p-Dioxin (TCDD) and Related Compounds - Part I: Estimating Exposure to Dioxin-Like Compounds - Volume 1: Sources of Dioxin-Like Compounds in the United States