ENTERPRISE PRODUCTS COMPANY IN MONT BELVIEU, TEXAS IS A BRANCH OF ENTERPRISE PRODUCTS COMPANY WITH HEAD- QUARTERS IN HOUSTON, TEXAS. THE MONT BELVIEU FACILITY STORES, PROCESSES AND WHOLESALES PETROLEUM PRODUCTS. ON 6/21/91 ENTERPRISE DISCOVERED A HYDROCARBON RELEASE FROM ITS ATMOSPHERIC STORAGE TANK FOR NATURAL GASOLINE. BETWEEN 6/21/91 AND 7/13/91 THE RELEASE WAS ESTIMATED AT A TOTAL OF 104 TONS OF NATURAL GASOLINE VAPOR. * THIS ACTION HAS BEEN REQUESTED TO OBTAIN A CIVIL PENALTY FOR VIOLATIONS OF NSPS REGULATIONS AND FEDERALLY ENFORCEABLE SIP REGULATIONS WHICH OCCURRED AT THE FACILITY IN CONNECTION WITH THIS RELEASE.