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401003409 19 2016-03-11T07:19:24.627-07:00 100185 ENCANA OIL & GAS (USA) INC

370 17TH ST STE 1700

DENVER CO 80202-5632 Brett Middleton 9701 2852739 970 9874650 Brett Middleton Environmental Specialist 2016-03-11T07:19:24.627-07:00 2016-03-11T07:19:24.61-07:00 in process middletonb 2016-03-10T15:01:46.483-07:00 middletonb brett.middleton@encana.com 0.00000 brett.middleton@encana.com middletonb middletonb 2016-03-11T07:19:22.89-07:00 401003409 401003409 2016-03-10T00:00:00-07:00 TANK BATTERY MESA NENW 17 8S 96W 6 N NON-CROP LAND clear 0 0 The Operator identified through automations an upset conditions. When arriving on site the operator identified the tanks overflowing into secondary containment. No fluid spilled outside of the secondary containment. It was determined the the high level alarm and Emergency shutdown device had failed. the operators shut in the tank recovered fluid from the secondary containment. 334068 401003409 true 2016-03-10T00:00:00-07:00 39.355978 -108.135538 FEDERAL Colorado River Field Office 0 0 0 false <_x0032_7_approved>false I false 0 0 >=100 0 0 true false false true false 0 2016-03-10T15:01:46.797-07:00 tanks overflowed at injection facility spilling into lined secondary containment 401003409 Attn Carlos Lujan Supplemental and closure request when total spill volume is determined. 401003409 401003409 FORM 19 SUBMITTED 401003409.pdf 401003409 1 SPILL 2016-03-10T00:00:00-07:00 BLM Christina O’Connell

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401003409 2 SPILL 2016-03-10T00:00:00-07:00 Mesa County

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