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 # 863655 INCIDENT DESCRIPTION *Report taken at 18:45 on 28-FEB-08

Incident Type: PLATFORM

Incident Cause: UNKNOWN Affected Area: GULF OF MEXICO

The incident occurred on 27-FEB-08 at 21:35 local time.

Affected Medium: WATER   /GULF OF MEXICO

____________________________________________________________________________

SUSPECTED RESPONSIBLE PARTY

Organization:         ANADARKO PETROLEUM CO.

WOODLANDS, TX 77380

Type of Organization: PRIVATE ENTERPRISE

____________________________________________________________________________

INCIDENT LOCATION

County: EAST BREAKS AREA State: TX Latitude: 27 Degrees 17' 29" N

Longitude: 94 Degrees 34' 15" W PLATFORM INCIDENT

____________________________________________________________________________

RELEASED MATERIAL(S)

CHRIS Code: CLC    Official Material Name: CALCIUM CHLORIDE

Also Known As:

Qty Released: 682 BARREL(S)           Qty in Water: 682 BARREL(S)

________________________________________________________________________

DESCRIPTION OF INCIDENT

CALLER IS REPORTING THAT THAT A LEG DUMP VALVE ON A LIQUID STORAGE TANK WAS LEFT  OPEN DUE TO UNKNOWN CAUSES. AS A RESULT CALCIUM CHLORIDE RELEASED INTO THE WATER.

____________________________________________________________________________

INCIDENT DETAILS

Platform Rig Name: OCEAN VALIANT Platform Letter: Location Area ID: EAST BREAKS AREA Location Block ID: 688 OCSG Number: OCSP Number: State Lease Number: Pier Dock Number: Berth Slip Number:

---WATER INFORMATION--- Body of Water: GULF OF MEXICO Tributary of: Nearest River Mile Marker: Water Supply Contaminated: UNKNOWN

____________________________________________________________________________

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: NO

Environmental Impact: NO

Media Interest: NONE  Community Impact due to Material:

____________________________________________________________________________

REMEDIAL ACTIONS

STOPPED THE VALVE ON THE TANK, MATERIALS NOT RECOVERABLE

Release Secured: YES Release Rate: Estimated Release Duration:

____________________________________________________________________________

WEATHER

Weather: CLEAR, 68ºF    Wind speed: 26  KNTS

Wave Condition: 3     MODERATE (3 - 5 FT)

____________________________________________________________________________

ADDITIONAL AGENCIES NOTIFIED

Federal:

NONE

State/Local:

NONE

State/Local On Scene:

NONE

State Agency Number:

NO REPORT #

____________________________________________________________________________

NOTIFICATIONS BY NRC

USCG HSOC AT DHS (USCG HSOC DESK)

28-FEB-08

18:54

DOT CRISIS MANAGEMENT CENTER (MAIN OFFICE)

28-FEB-08

18:54

GULF STRIKE TEAM (MAIN OFFICE)

28-FEB-08

18:54

JFO-LA (COMMAND CENTER)

28-FEB-08

18:54

NATIONAL INFRASTRUCTURE COORD CTR (MAIN OFFICE)

28-FEB-08

18:54

NOAA RPTS FOR TX (MAIN OFFICE)

28-FEB-08

18:54

SECTOR HOUSTON-GALVESTON (COMMAND CENTER)

28-FEB-08

18:58

TEXAS STATE OPERATIONS CENTER (COMMAND CENTER)

28-FEB-08

18:54

____________________________________________________________________________

ADDITIONAL INFORMATION

CALLER HAD NO ADDITIONAL INFORMATION.

___________________________________________________________________________

*** END INCIDENT REPORT #

863655

***