What would you want to know before your children attend a day care opening in a former industrial building or adjacent to a nail salon? Are children at risk if their new preschool is located on former farmland where lead arsenate pesticide might have been used? What site-related environmental risks are most concerning for children attending early care and education (ECE) facilities? States involved with the Agency for Toxic Substances and Disease Registry's (ATSDR) Choose Safe Places for Early Care and Education (CSPECE) effort are addressing site-related questions like these to help protect children from harmful environmental exposures. (author abstract)