APPROXIMATELY 20 DRUMS CONTAINING UNKNOWN LIQUIDS WERE REPORTED TO BE ON-SITE DURING THE 07/26/92 SITE INSPECTION CONDUCTED BY LOCAL OFFICIALS AND THE EPA'S INSPECTOR FOR SPILL PREVENTION, CONTROL AND COUNTERMEASURES. THE INSPECTION REPORT INDICATED THAT SOME DRUMS WERE OVERFLOWING AND IN BAD CONDITION. HEAVILY STAINED SOIL WAS SEEN IN THE AREA OF THE DRUMS. IT IS BELIEVED THAT THESE DRUMS WERE BROUGHT ON-SITE FROM ALPINE DEMOLITION, A DEMOLITION BUSINESS LOCATED IN ARVADA, COLORADO.