This report contains the proceedings of the second of two hearings that explored the risks of environmental toxins to children. Testimony was heard concerning: (1) the special vulnerability of children to toxic substances; (2) exposure to lead and lead poisoning; and (3) the exposure of working children to toxins. A fact sheet gives an overview of the dangers to children of various toxins. Seven statements were delivered in person and 13 prepared statements or materials supplemental to verbal testimony were collected. Copies of various relevant documents are appended. These include: a meta-analysis of studies on low-level lead exposure and its effect on the IQ of children; a study of the prevalence and hazards of child labor; a statement on migrant farmworkers' childrens' exposure to pesticides by the Farmworker Justice Fund; a statement on environmental hazards during pregnancy by the March of Dimes; and a review of pertinent literature by the National Network To Prevent Birth Defects. (BC)