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400853398 19 2015-06-16T08:09:52.627-06:00 4680 DCP MIDSTREAM LP

370 17TH STREET - SUITE 2500

DENVER CO 80202 Sam Wood 970 590-6444 Sam Wood Compliance Coordinator 2015-06-16T08:09:52.627-06:00 2015-06-16T08:09:52.593-06:00 441763 in process SWood 2015-06-15T08:16:36.093-06:00 SWood swood@dcpmidstream.com 0.00000 swood@dcpmidstream.com SWood SWood 2015-06-16T08:09:49.75-06:00 400837778 400853398 CHESSON, BOB 2015-05-08T00:00:00-06:00 FLOWLINE WELD SWSW 25 3N 64W 6 Y CROP LAND Overcast with temps in low 50's 0 0 An unexpected shutdown of a compressor station during a pipeline cleaning event caused a DCP owned valve to spray condensate in the air which then affected an estimated three to five acres of grass. This grass area that has been affected has since been mowed and will be raked and the soil then sprayed with Terradis SW Bioserfactant to eliminate any hydrocarbons that may have impacted the soil. After 5 to 7 days, confirmation soil samples will be collected and sent to the lab to prove delineation. More information will be provided in the 10-day follow up report. 400837778 true 2015-05-08T00:00:00-06:00 40.193950 -104.491720 OTHER (SPECIFY) Private 0 0 0 true <_x0032_7_approved>false S false 0 >=1 and <5 0 0 0 false false false false true 0 2015-05-11T07:24:48.577-06:00 400853398 400853398 FORM 19 SUBMITTED 400853398.pdf 400853398 400853468 ANALYTICAL RESULTS 1505272 - Coors Release confirmation samples.pdf 727131 400853398 1 2015-06-15T00:00:00-06:00 0 0 true false false false false false false A hand held photo-ionization detector (PID) was used onsite to determine delineation after remediation activities were complete. Once site was determined to be delineated by the PID, representative soil samples were taken and sent into the lab to determine if contaminated area is below COGCC standards. sandy, loamy soil 0 20 500 2500 500 The release was in the form of a condensate spray that affected the vegetation and soil surface. The affected vegetation was cut down and disposed of at the Buffalo Ridge Landfill. The soil surface was then sprayed by a Terradis Bioserfactant to clean the remaining impacts. The results from the lab for the confirmation soil samples show that the area has been delineated of any hydrocarbon impacts. 0 0 1 1 0 0 0 0 0 0 false false 0 0 false false false false false false false true true false false true 850 200 6 400853398 1 2015-06-15T00:00:00-06:00 false true false false An unexpected shutdown of a compressor station during a pipeline cleaning event caused a DCP owned valve to break and spray condensate in the air. DCP has repaired this valve and is taking measures to prevent the over pressuring of this line during any shutdown event. 0 false true false 0 0 Thread was being aborted.