THIS CASE IS AGAINST THE RESPONDENT UNDER SECT 7003(A) OF RCRA TO PERFORM SAMPLING ACTIVITIES ON THE PRINGLE HOUSE AND THE LARCO'S PROPERTY. EPA HAS DETERMINED THAT A PLUME OF SOLID WASTE CON- TAINING HAZARDOUS CONSTITUENTS HAS FLOWED FROM THE LARCO FACILITY INTO THE BROOKHURST SUBDIVISION, WHICH IS LOCATED EAST OF LARCO. THE PLUNE CONTAINS SOLID WASTES, INCLUDING HAZARDOUS CONSTITUENTS. VAPORS FROM THESE WASTES HAVE MI- GRATED TO THE PRINGLE HOUSE, LOCATED AT LOT 2, BLOCK 8. THE VAPORS IN THE PRINGLE HOUSE MAY PRESENT AN IMMINENT AND SUB- STANTIAL ENDANGERMENT TO THE HEALTH OF THE RESIDENTS OF THE HOUSE OR THE ENVIRONMENT.