<_x0034_01082168>

401082168 19 2016-07-21T15:13:47.063-06:00 10456 CAERUS PICEANCE LLC

1001 17TH STREET #1600

DENVER CO 80202 Jake Janicek 970 285-9606 970 778-2314 Jake Janicek EHS Professional 2016-07-21T15:13:47.063-06:00 2016-07-21T15:13:47.047-06:00 446791 in process JANICEKJ 2016-07-21T14:34:42.813-06:00 JANICEKJ jjanicek@caerusoilandgas.com 0.00000 jjanicek@caerusoilandgas.com JANICEKJ JANICEKJ 2016-07-21T15:13:44.827-06:00 401081621 401082168 LUJAN, CARLOS 2016-07-19T00:00:00-06:00 PARTIALLY-BURIED VESSEL GARFIELD NWSW 16 6S 96W 6 Y NON-CROP LAND Cloudy 70 0 0 While conducting annual integrity testing on a partially buried vault, we observed that the vault was not able to hold freshwater we were using to conduct the test. The tank was removed and impacted soil was observed beneath it. 335206 401081621 false 2016-07-19T00:00:00-06:00 39.519844 -108.121455 FEE 0 0 0 false <_x0032_7_approved>false S false 0 0 Unknown 0 0 true false false true false 0 2016-07-20T16:43:08.673-06:00 401082168 There is no data available to help determine an accurate value for depth to groudwater. Parachute Creek is approximately 280 feet below the pad location, and groundwater is most likely deeper than 100 feet below the pad surface. We have not encoutered groudwater while assessing the soil under the leaking tank. 401082168 401082168 FORM 19 SUBMITTED 401082168.pdf 401082168 401082170 TOPOGRAPHIC MAP Unocal 1 Topographical Map.pdf 1905071 401082168 1 SPILL 2016-07-20T00:00:00-06:00 Garfield County Kirby Wynn

None at time of reporting

970 625-5905 401082168 1 2016-07-21T00:00:00-06:00 0 0 true false false false false false false The extent of the release is still being assessed. Rock outcrop-Torriorthents complex, very steep 100 0 2965 2945 1834 3736 0 0 0 0 0 0 0 0 false false 0 0 false false true false false false false false true false false true Thread was being aborted.