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 # 571185 INCIDENT DESCRIPTION *Report taken at 11:08 on 28-JUN-01

Incident Type: VESSEL

Incident Cause: OPERATOR ERROR Affected Area: GULF OF MEXICO

The incident occurred on 28-JUN-01 at 09:15 local time.

Affected Medium: WATER   GULF OF MEXICO

____________________________________________________________________________

SUSPECTED RESPONSIBLE PARTY

Organization:         TRANSOCEAN SEDCOFOREX

BROUSSARD, LA 70518

Type of Organization: PRIVATE ENTERPRISE

____________________________________________________________________________

INCIDENT LOCATION

County: GALVESTON State: TX Latitude: 28 Degrees 13' 29" N

Longitude: 94 Degrees 34' 42" W GALVESTON / BLOCK 151

____________________________________________________________________________

RELEASED MATERIAL(S)

CHRIS Code: ZBR    Official Material Name: ZINC BROMIDE

Also Known As:

Qty Released: 429 BARREL(S)           Qty in Water: 429 BARREL(S)

________________________________________________________________________

DESCRIPTION OF INCIDENT

THE CALLER STATED THAT WHILE TRANSFERRING FLUID FROM ONE PIT TO ANOTHER PIT, THERE  WAS A DUMP VALVE LEFT OPEN WHICH CAUSED THE FLUID TO GO INTO THE WATER.

____________________________________________________________________________

INCIDENT DETAILS

Platform Rig Name: Platform Letter: Location Area ID: Location Block ID: 151 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: NO

---VESSEL INFORMATION--- Name: RBF253 Number: Aground: NO Flag: PANAMA 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

QUIT PUMPING

Release Secured: YES Release Rate: Estimated Release Duration:

____________________________________________________________________________

WEATHER

Weather: CLEAR, 85ºF    Wind speed: 18  MPH    Wind direction: S

Wave Condition: 2     SLIGHT (1 - 3 FT)    Current speed: 1

____________________________________________________________________________

ADDITIONAL AGENCIES NOTIFIED

Federal:

State/Local:

State/Local On Scene:

State Agency Number:

____________________________________________________________________________

NOTIFICATIONS BY NRC

HSEES PROJECT (PRIMARY)

28-JUN-01

11:26

MSU GALVESTON (PRIMARY)

28-JUN-01

11:35

MAIL EPA R6 ATTN: KENNETH CLARK (PRIMARY)

28-JUN-01

11:26

NOAA 1ST CLASS BB RPTS FOR TX (PRIMARY)

28-JUN-01

11:26

DOI/OEPC - R6 (PRIMARY)

28-JUN-01

11:26

TNRCC (PRIMARY)

28-JUN-01

11:26

TX GENERAL LAND OFFICE (PRIMARY)

28-JUN-01

11:26

____________________________________________________________________________

ADDITIONAL INFORMATION

THE CALLER WILL NOTIFY: MMS

___________________________________________________________________________

*** END INCIDENT REPORT #

571185

***