OF CONCERN AT THIS SITE ARE LEAD AND ARSENIC. EPA CON- DUCTED A RISK RELATED STUDY TO DETERMINE THE BIOAVAILABILITY OF THE LEAD IN THE SOILS. THE RESULTS INDICATED THAT 17%- 19% OF THE LEAD IN THE SOILS COULD GET INTO THE BLOODSTREAM. SEVERAL EXPOSURE ROUTES ARE ASSOCIATED WITH LEAD AND ARSENIC CONTAMINATION CONDITIONS AT THE SITE. THERE IS SIGNIFICANT POTENTIAL FOR CONTINUED EXPOSURE TO NEARBY POPULATIONS AT THE PHASE 3 REMOVAL SITE WITH APPROX- IMATELY 51 RESIDENTIAL PROPERTIES. CONDITIONS AT THE SITE PRESENT AN IMMINENT AND SUBSTANTIAL ENDANGERMENT TO HUMAN HEALTH AND THE ENVIRONMENT.