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 # 773940 INCIDENT DESCRIPTION *Report taken at 22:01 on 26-SEP-05

Incident Type: PLATFORM

Incident Cause: HURRICANE Affected Area: GULF OF MEXICO

The incident was discovered on 26-SEP-05 at 18:30 local time.

Affected Medium: WATER   GULF OF MEXICO

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SUSPECTED RESPONSIBLE PARTY

Organization:         MARATHON OFFSHORE PIPELINE COMPANY

HOUSTON, TX

Type of Organization: PRIVATE ENTERPRISE

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INCIDENT LOCATION

EAST CAMERON AREA County: EAST CAMERON BLOCK 322 State: TX

PLATFORM INCIDENT

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RELEASED MATERIAL(S)

CHRIS Code: OUN    Official Material Name: UNKNOWN OIL

Also Known As:

Qty Released: 0 UNKNOWN AMOUNT           Qty in Water: 0 UNKNOWN AMOUNT

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DESCRIPTION OF INCIDENT

THE CALLER STATED THAT DURING A HELICOPTER FLY OVER THEY DISCOVERED AN UNKNOWN  SHEEN COMING FROM AN AREA WHERE A PLATFORM USE TO BE LOCATED.

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INCIDENT DETAILS

Platform Rig Name: Platform Letter: A Location Area ID: EAST CAMERON Location Block ID: 322 OCSG Number: OCSP Number: State Lease Number: Pier Dock Number: Berth Slip Number:

---SHEEN INFORMATION--- Sheen Color: RAINBOW 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: UNKNOWN

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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: UNKNOWN

Media Interest: NONE  Community Impact due to Material: NO

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REMEDIAL ACTIONS

THE PIPELINE THAT LEADS TO THE MISSING PLATFORM HAS BEEN SECURED.

Release Secured: UNKNOWN Release Rate: Estimated Release Duration:

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WEATHER

Weather: UNKNOWN, ºF

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ADDITIONAL AGENCIES NOTIFIED

Federal:

State/Local:

State/Local On Scene:

State Agency Number:

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NOTIFICATIONS BY NRC

HSEES PROJECT (PRIMARY)

26-SEP-05

22:14

DOT CRISIS MANAGEMENT CENTER (PRIMARY)

26-SEP-05

22:14

FEDERAL EMERGENCY MANAGEMENT AGENCY (PRIMARY)

26-SEP-05

22:14

G-OPF FOLDER (PRIMARY)

26-SEP-05

22:54

INFO ANALYSIS & INFRA PROTECTION (PRIMARY)

26-SEP-05

22:14

NATIONAL INFRASTRUCTURE COORD CTR (PRIMARY)

26-SEP-05

22:14

NATIONAL INFRASTRUCTURE COORD CTR (INFRASTRUCTURE PROTECTION)

26-SEP-05

22:14

NOAA 1ST CLASS BB RPTS FOR TX (PRIMARY)

26-SEP-05

22:14

NTSB PIPELINE (PRIMARY)

26-SEP-05

22:14

MSO PORT ARTHUR (PRIMARY)

26-SEP-05

22:19

RSPA OFFICE OF PIPELINE SAFETY (PRIMARY)

26-SEP-05

22:26

TCEQ (PRIMARY)

26-SEP-05

22:14

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ADDITIONAL INFORMATION

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	*** END INCIDENT REPORT #		773940		***