Monday, May 28, 2012

KERR-MCGEE O&G: Groundwater Impacted – Spill/Incident Report



Date received 5/18/2012

WELD COUNTY, COLORADO

Operator: KERR-MCGEE OIL & GAS ONSHORE LP Oper. No. 47120 Address: P O BOX 173779 ATTN: ASHLEY COCCIOLONE DENVER , CO 80217-3779 Phone: (720 )929-6000 Fax: (720 )929-7461 Operator Contact: PAUL SCHNEIDER

Current land use: AGRICULTURE
Ground water impacted: YES
Cause of spill: Equipment Failure
LINK

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Immediate Response:
THE WELL WAS SHUT IN AND THE WATER TANK WAS EMPTIED. THE PETROLEUM HYDROCARBON-IMPACTED SOIL IS BEING EXCAVATED. GROUNDWATER WAS ENCOUNTERED IN THE EXCAVATION AT ~8` BGS. BENZENE IMPACTS (630 UG/L) TO GROUNDWATER ABOVE THE CGWQS WERE CONFIRMED BY THE LAB ANALYTICAL REPORT.

Emergency Pits:
NA

How extent determined:
SOIL AND GROUNDWATER SAMPLES WILL BE COLLECTED AND THE ANALYTICAL RESULS AND EXCAVATION DETAILS WILL BE PROVIDED ON A FORM 27.

Further Remediation
WILL BE PROVIDED ON A FORM 27.
Prevent Problem:

THE FITTING ON THE WATER TANK WILL BE REPAIRED.
Detailed Description:

DURING TANK BATTERY CONSTRUCTION, FIELD CREWS ENCOUNTERED PETROLEUM HYDROCARBON-IMPACTED SOIL UNDER THE WATER TANK. A LOOSE FITTING ON THE SIDE OF THE WATER TANK WAS IDENTIFIED AS THE SOURCE OF THE RELEASE. THE VOLUME OF THE RELEASE IS UNKNOWN.

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