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401023734 19 2016-04-08T11:24:59.78-06:00 47120 KERR MCGEE OIL & GAS ONSHORE LP

P O BOX 173779

DENVER CO 80217-3779 Erik Mickelson 720 929.4306 Erik Mickelson Senior HSE Representative 2016-04-08T11:24:59.78-06:00 2016-04-08T11:24:59.767-06:00 in process bkieding 2016-04-06T17:04:46.077-06:00 bkieding erik.mickelson@anadarko.com 0.00000 erik.mickelson@anadarko.com bkieding bkieding 2016-04-08T11:24:57.14-06:00 401023734 401023734 2016-04-06T00:00:00-06:00 OTHER ADAMS NENE 14 1S 68W 6 N NON-CROP LAND sunny, windy, 60 degrees F 0 0 On April 6, 2016, during hauling operations to dispose hydrocarbon-impacted soils, related to the remediation activities being conducted at the Green 61S68W/14SWNE facility (Location ID 320310), the back hatch on a dump truck accidentally swung open causing approximately 2.5 cubic yards of impacted soil to be released onto the northbound pavement of York Street (approximately 500 feet south of the East 152nd Avenue intersection). The impacted soil was recovered and a City of Thornton Public Works Supervisor stopped by and observed cleanup activities. A regional topographic map, showing the release location, is provided as Figure 1. 320310 401023734 true 2016-04-06T00:00:00-06:00 39.970161 -104.959397 Thornton OTHER (SPECIFY) City of Thornton right-of-way 0 1 0 true <_x0032_7_approved>false I false City of Thornton Right-of-Way 0 0 0 0 0 false true false true false 0 2016-04-06T17:04:46.627-06:00 2.5 cubic yards of hydrocarbon-impacted soil was released off the back of a end-dump truck. 401023734 401023734 FORM 19 SUBMITTED 401023734.pdf 401023734 401023770 OTHER Spill Notification - Green 61N68W14SWNE.pdf 99521 401023734 401024712 TOPOGRAPHIC MAP Green_61S68W_14SWNE_Fig1_release_20160406.pdf 395851 401023734 1 SPILL 2016-04-06T00:00:00-06:00 Adams County Gordon Stevens

email forwarded to Jen Rutter

-email 401023734 2 SPILL 2016-04-06T00:00:00-06:00 City of Thornton Robb Kolstad

-email 401023734 1 2016-04-06T00:00:00-06:00 0 0 false false false false false false 0 false The extent was determined by visual observation of the released soils on the pavement. The released soils were confined to the pavement surface of the right-of-way. Pavement 35 10 610 320 1480 500 All soils were recovered. 0 0 0 0 0 0 0 0 0 0 false false 0 0 false false false false false false false false false true false true 200 5 2.5 cubic yards of hydrocarbon-impacted soil was released onto York Street. 0 401023734 1 2016-04-06T00:00:00-06:00 true true false false During soil hauling operations, the back hatch of a dump truck was inadequately secured and while driving northbound on York Street, the back hatch opened causing a release of 2.5 cubic yards of hydrocarbon-impacted soil. Ensuring latch mechanisms are secured and in good condition. 2 true false false 0 0 Thread was being aborted.