<_x0034_00701233>

400701233 19 2014-10-03T15:32:23.173-06:00 10110 GREAT WESTERN OPERATING COMPANY LLC

1801 BROADWAY #500

DENVER CO 80202 Scot Donato 303 398-0537 303 398-0537 Rachel Peterson Project Manager 2014-10-03T15:32:23.173-06:00 2014-10-03T15:32:23.157-06:00 439123 in process RachelPetersonWH 2014-10-03T14:30:03.937-06:00 RachelPetersonWH petersonr@agwassenaar.com 0.00000 sdonato@gwogco.com RachelPetersonWH RachelPetersonWH 2014-10-03T15:32:21.313-06:00 400695452 400701233 ALLISON, RICK 2014-09-25T00:00:00-06:00 PARTIALLY-BURIED VESSEL WELD SWSE 26 6N 67W 6 N OTHER clear, sunny 0 0 A fiberglass produced water vessel was being removed and potential impacts were observed in soils beneath the removed vessel. Limited excavation and stockpiling of visibly impacted were conducted. 333241 400695452 false 2014-09-25T00:00:00-06:00 40.452920 -104.857360 Windsor FEE 0 0 0 false <_x0032_7_approved>false S false vacant and industrial 0 0 Unknown 0 0 false false false true false 0 2014-09-25T13:33:33.687-06:00 historical release: unknown quantity of produced water released 400701233 A produced water vessel was being removed and potential impacts were observed in soils beneath the removed vessel on September 18, 2014. Laboratory analytical results received on September 25, 2014 confirmed the release. Additional soil excavation and sampling was conducted on October 3, 2014 to further determine the extent of impact. Additional laboratory results will be submitted to COGCC when available. 400701233 400701233 FORM 19 SUBMITTED 400701233.pdf 400701233 400701249 TOPOGRAPHIC MAP Mershon topo.pdf 257093 400701233 1 SPILL 2014-09-25T00:00:00-06:00 Weld County Tom Parko

N/A

970 353-6100 400701233 2 SPILL 2014-09-25T00:00:00-06:00 Surface Owner Broe Group

400701233 3 SPILL

400701233 1 2014-10-03T00:00:00-06:00 0 0 true false false false false false false Extent will be determined during further excavation and sampling. Poorly sorted clays, silts, and coarse sands. 14 18 A produced water vessel was being removed and potential impacts were observed in soils beneath the removed vessel on September 18, 2014. Laboratory analytical results received on September 25, 2014 confirmed the release. Additional soil excavation and sampling was conducted on October 3, 2014 to further determine the extent of impact. Additional laboratory results will be submitted to COGCC when available. 0 0 0 0 0 0 0 0 false false 0 0 false false true false false false true true true true true true Historical release: unknown quantity of produced water released 400701233 1 2014-10-03T00:00:00-06:00 false false true false A produced water vessel was being removed and potential impacts were observed in soils beneath the removed vessel on September 18, 2014. The incident was a result of a historical release of unknown origins. 200 true false false Thread was being aborted.