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400153970 02A 2011-04-20T13:53:43.187-06:00 53650 MARATHON OIL COMPANY

5555 SAN FELIPE

HOUSTON TX 77056 Anna Walls 713 296-3468 713 513-4394 Anna Walls Regulatory Compliance Rep 2011-04-20T13:53:43.187-06:00 2011-04-21T13:15:25.66-06:00 IN PROCESS wallsa 2011-04-14T16:08:00.787-06:00 wallsa avwalls@marathonoil.com 0.00000 avwalls@marathonoil.com IN PROCESS garrisop garrisop 2011-04-21T13:15:24.393-06:00 400153970 true true 1A Owl Creek 8-64-6 WELD Lot 4 6 8N 64W 6 5176 600 FNL 605 FWL 40.694336 -104.598600 1.9 2011-03-23T00:00:00-06:00 Allen Blattel 1 4 2 2 1 1 1 2 1 1 1 1 1 1- cuttings pit, 1- radio tower 2011-07-15T00:00:00-06:00 2012-02-01T00:00:00-07:00 5175 true false false ONSITE evaporation/backfill 2011-04-15T00:00:00-06:00 FEE FEE true Bond Blanket 20070075 true 19880020 false 6319 606 1000 30000 600 true true 56: Renohill Fine Sandy Loam, 6 to 9% slopes 45: Olney Fine Sandy Loam, 6 to 9% slopes false true 2011-03-23T00:00:00-06:00 true false false 1885 1292 180 false false No false 3.82 2.00 400153970 Distance to nearest water well: 1292', Receipt: 9064000, Permit #37179--, NENE Sec 1, T8N, R65W, Depth: 265', Static Water Level: 180' 400153970 400153970 FORM 2A SUBMITTED 400153970.pdf 400153970 400156457 ACCESS ROAD MAP Owl Creek 8-64-6-1A Access Road Map.PDF 142028 400153970 400156458 CONST. LAYOUT DRAWINGS Owl Creek 8-64-6-1A Construction Layout Drawings.PDF 477510 400153970 400156464 LOCATION DRAWING Owl Creek 8-64-6-1A Location Drawing.PDF 295708 400153970 400156465 LOCATION PICTURES Owl Creek 8-64-6-1A Location Pictures.PDF 120890 400153970 400156466 REFERENCE AREA MAP Owl Creek 8-64-6-1A Reference Area Map.PDF 162558 400153970 400156469 CONST. LAYOUT DRAWINGS Owl Creek 8-64-6-1A Stormwater Prevention Plan.PDF 315871 400153970 400156847 HYDROLOGY MAP Owl Creek 8-64-6-1A Hydrology Map.PDF 127699 400153970 400156856 NRCS MAP UNIT DESC 56 NRCS Map Unit Description.pdf 37946 400153970 400156857 NRCS MAP UNIT DESC 45 NRCS Map Unit Description.pdf 37815 400153970 400156878 XML FILE Y 400153970.xml 400153970 400158564 XML FILE Y 400153970.xml 400153970 400153964 02 04d0b9aa-585e-48fd-8b71-a4bf80db1280 400153970 5 Storm Water/Erosion Control Stormwater Management Plans (SWMP) will be in place to address construction, drilling and operations associated with Oil and Gas development throughout the state of Colorado in accordance with Colorado Department of Public Health (CDPHE). BMPS will be constructed around the permitter of the site prior to or at the beginning of construction. BMP's used will vary according to the location and will remain in place until the pad reaches final reclamation 6abb698e-2852-41c3-ac0f-a933a369e460 400153970 5 Material Handling and Spill Prevention Spill prevention control and counter measures (SPCC) plans will be in place to address any possible spills associated with Oil and Gas operations throughout the State of Colorado in accordance with 40 CFR 112. e2c7b380-82e7-4011-9a8d-b104a58d62e8 400153970 5 General Housekeeping Cleanup will consist of patrolling the roadways, access areas, and other work areas to pick up trash, scrap debris, other discarded materials, and any contaminated soil. These materials will be disposed of properly. b804d0d8-586c-461e-9f33-ea921eaa6935 400153970 5 General Housekeeping Housekeeping will consist of neat and orderly storage of materials and fluids. Wastes will be temporarily stored in sealed containers and regularly collected and disposed of at offsite, suitable facilities. If spills occur prompt cleanup is required to minimize any commingling of waste materials with stormwater runoff. Routine maintenance will be limited to fueling and maintenance to contain spills or leaks. Any waste product from maintenance will be containerized and transported offsite for disposal or recycling. There will be no major equipment overhauls conducted onsite. Equipment will be transported offsite for major overhauls. 400153970 Purcell Conservation Grp

7233 Whitworth Court

Attn: Mark A. Kross Ft. Collins CO 80528 970-282-0890 400153970 1 4 2 2 1 1 1 2 1 1 1 1 1 1- cuttings pit, 1- radio tower 400153970 C true 400153970 F true 400153970 true

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