THE FACILITY (POISON SPIDER FIELD) IS LOCATED IN A RURAL AREA WEST OF CASPER, WY AND IS ABOUT 4000 FEET NORTH OF POISON SPIDER CREEK. THERE ARE STOCK PONDS IN THE AREA WHICH RECEIVE OIL FIELD PRODUCED WATER FROM NPDES-PERMITTED DISCHARGES. THE 2 PITS COMPRISING THE FACILITY CONTAIN OILY WASTES. ON 6/23/97, INSPECTORS OBSERVED THAT THE PITS, AND A THIRD SMALLER PIT IN THE VICINITY WERE 100% COVERED WITH OIL. THEY OBSERVED THE REMAINS OF SEVERAL BIRDS AND 2 RAPTORS AT THAT TIME. ON 8/25/99, A FLIGHT-FOR-LIFE HELICOPTER PILOT REPORTED A LARGE OIL SPILL FLOWING FROM THE FACILITY. THEY OBSERVED ABOUT 30 DEAD BIRDS AND 2 MULE DEER FAWNS COVERED WITH OIL. THE RESPONDENT'S HANDLING OF SOLID WASTE AT THE FACILITY MAY PRESENT AN IMMINENT AND SUBSTANTIAL ENDANGERMENT TO HEALTH OR THE ENVIRONMENT. BLM IS ORDERED TO PERFORM THE WORK OUTLINED IN THE ORDER.