HORSE ARENA ON PROPERTY SPRAYED WITH CONTAMINATED WASTE OIL IN 1971. OIL SAMPLING VY EPA IN DEC, 1982 AND APR, 1983. ANALYSIS INDICATES THE PRESENCE OF DIOXIN AT LEVELS GREATER THAN 1 PART PER BILLION. OFF-SITE MIGRATION INTO ADJACENT CREEK. REMEDIES/RELIEF SOUGHT: CLOSURE, FENCING & POSTING OF CON- TAMINATED AREAS OF PROPERTY.