NATIONAL RESPONSE CENTER 1-800-424-8802 *** For Public Use *** Information released to a third party shall comply with any applicable federal and/or state Freedom of Information and Privacy Laws Incident Report # 649475 INCIDENT DESCRIPTION *Report taken at 11:57 on 30-JUN-03 Incident Type: VESSEL Incident Cause: NATURAL PHENOMENON Affected Area: GULF OF MEXICO The incident occurred on 30-JUN-03 at 10:16 local time. Affected Medium: WATER GULF OF MEXICO ____________________________________________________________________________ SUSPECTED RESPONSIBLE PARTY Organization: BP HOUSTON, TX 77079 Type of Organization: PRIVATE ENTERPRISE ____________________________________________________________________________ INCIDENT LOCATION County: MISSISSIPPI CANYON State: LA Zip: 77079 Latitude: 28 Degrees 14' 52" N Longitude: 88 Degrees 55' 37" W MISSISSIPPI CANYON / BLOCK 725 ____________________________________________________________________________ RELEASED MATERIAL(S) CHRIS Code: NCC Official Material Name: NO CHRIS CODE Also Known As: SYNTHETIC BASE DRILLING FLUID Qty Released: 1400 BARREL(S) Qty in Water: 1400 BARREL(S) ________________________________________________________________________ DESCRIPTION OF INCIDENT THE CALLER STATED THAT DUE TO A TROPICAL STORM, AN EMERGENCY DISCONNECT OF A RISER FROM A SEA FLOOR, THE CONTENTS FROM THE RISER DISCHARGED. ____________________________________________________________________________ INCIDENT DETAILS Platform Rig Name: TRANSOCEAN HORIZON Platform Letter: Location Area ID: MISSISSIPPI CANYON Location Block ID: 725 OCSG Number: 22898 OCSP Number: State Lease Number: Pier Dock Number: Berth Slip Number: ---SHEEN INFORMATION--- Sheen Color: UNKNOWN Sheen Odor Description: Sheen Travel Direction: Sheen Size Length: Sheen Size Width: ---WATER INFORMATION--- Body of Water: GULF OF MEXICO Tributary of: Nearest River Mile Marker: Water Supply Contaminated: NO ---VESSEL INFORMATION--- Name: TRANSOCEAN HORIZON Number: Aground: NO Flag: Length: Breadth: Draught: Type: DRILLING RIG Hull Construction: Fuel Capacity: Fuel on Board: Cargo Capacity: Cargo on Board: ____________________________________________________________________________ DAMAGES Fire Involved: NO Fire Extinguished: UNKNOWN INJURIES: NO Hospitalized: Empl/Crew: Passenger: FATALITIES: NO Empl/Crew: Passenger: Occupant: EVACUATIONS: NO Who Evacuated: Radius/Area: Damages: NO Length of Direction of Closure Type Description of Closure Closure Closure Air: N Road: N Major Artery: N Waterway: N Track: N Passengers Transferred: UNKNOWN Environmental Impact: UNKNOWN Media Interest: NONE Community Impact due to Material: NO ____________________________________________________________________________ REMEDIAL ACTIONS SECURED THE RISER SYSTEM AND THE WELL / REMOVED OFF LOCATION Release Secured: YES Release Rate: Estimated Release Duration: ____________________________________________________________________________ WEATHER Weather: RAINY, ºF Wave Condition: 5 VERY ROUGH (8 - 12 FT) ____________________________________________________________________________ ADDITIONAL AGENCIES NOTIFIED Federal: State/Local: State/Local On Scene: State Agency Number: ____________________________________________________________________________ NOTIFICATIONS BY NRC FBI LOUISIANA ATTN: EKKO BARNHILL (PRIMARY) 30-JUN-03 12:10 LA DEPT OF ENV QUAL (PRIMARY) 30-JUN-03 12:10 LA OFFICE OF EMERGENCY PREPAREDNESS (PRIMARY) 30-JUN-03 12:10 LA OFFICE OF GOV ATTN ROLAND GUIDRY (PRIMARY) 30-JUN-03 12:10 LA OFFICE OF PUBLIC HEALTH (PRIMARY) 30-JUN-03 12:10 MAIL EPA R6 ATTN: RESPONSE OFFICER (PRIMARY) 30-JUN-03 12:10 MSO MORGAN CITY (PRIMARY) 30-JUN-03 12:11 NOAA 1ST CLASS BB RPTS FOR LA (PRIMARY) 30-JUN-03 12:10 LA STATE POLICE (PRIMARY) 30-JUN-03 12:10 ____________________________________________________________________________ ADDITIONAL INFORMATION ___________________________________________________________________________ *** END INCIDENT REPORT # 649475 ***