THE NORTH AMERICAN ENVIRONMENTAL SITE ENGAGES IN THE BUSI- NESS OF COLLECTING, PACKAGING, TRANSPORTING AND DISPOSAL OF PCBS. ON 9/4/92, EPA'S TOXIC SUBSTANCE BRANCH CONDUCTED AN INSPECTION AND NOTICED THAT A SPILL HAD TAKEN PLACE IN THE CONCRETE RETENTION AREA. THIS SPILL MAY HAVE PERMEATED THE CONCRETE. NAE HAS ABANDONED THE SITE AND IT IS NEITHER FENCED OR UNDER 24 HR. SECURITY. CONTAMINANTS FOUND AT THE SITE IN- CLUDE SOLVENTS, CYANIDE, WASTE OILS AND DEBRIS WHICH ARE CONTAMINATED WITH PCBS. THE MOST LIKELY ROUTES OF EXPOSURE ARE DIRECT CONTACT AND INHALATION OF VOLATIZED PCBS.