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400149596 02A 2011-04-06T07:28:06.973-06:00 100322 NOBLE ENERGY INC

1625 BROADWAY STE 2200

DENVER CO 80202 SUSAN MILLER 303 228-4246 303 228-4286 SUSAN MILLER Regulatory Analyst II 2011-04-06T07:28:06.973-06:00 2011-04-06T07:28:06.817-06:00 332454 UPLOADED millersusan 2011-04-04T08:19:10.4-06:00 millersusan smiller@nobleenergyinc.com 0.00000 smiller@nobleenergyinc.com sharpd sharpd 2011-04-06T11:56:47.853-06:00 400149596 A03-05 TANK VEGA USX 332454 WELD NWNW 3 6N 64W 6 4823 144 FNL 1288 FWL 40.522080 -104.541060 1.9 2011-03-09T00:00:00-07:00 Ron Edwards 3 3 1 2 3 water vaults, 4 three-phase flowlines, 3 EFM. 2011-06-15T00:00:00-06:00 2011-08-15T00:00:00-06:00 4823 2011-02-19T00:00:00-07:00 FEE FEE Blanket 20030012 true 20030009 false 1002 132 173 5280 30 true true 76: Vona sandy loam, 1-3% slopes false false 1323 901 62 false false No 2.00 2.00 400149596 Nearest railroad located over 1 mile from facility. Nearest water well permit no. 0482663 (domestic). Noble will add equipment to existing Petroleum Development Corp production facility which services PDC's Vega 11-3, Rugg 21-3 and Ruff 22-3 wells and includes 2 oil tanks, 2 sep, 2 EFM, 1 VOC, 2 water vaults, 1 gas PL, 3 three-phase FL. Noble's equipment will be placed west of the property line and will include 1 tank, 1 sep, 1 EFM, 1 VOC, 1 water vault, 1 FL for the Vega USX A03-05 well. Tanks are 15' in diameter, and will be placed more than 30' from the property line. 400149596 400149596 FORM 2A SUBMITTED 400149596.pdf 400149596 400149619 ACCESS ROAD MAP Access Rd Map.pdf 1278887 400149596 400149620 HYDROLOGY MAP Hydro Topo.pdf 1836401 400149596 400149628 LOCATION DRAWING Loc Drawing.pdf 2270865 400149596 400149640 LOCATION PICTURES Loc Photos.pdf 4215842 400149596 400149643 NRCS MAP UNIT DESC Soils.pdf 673999 9f9fa8ef-bf03-4f11-bbe3-090b59a5405c 400149596 5 Material Handling and Spill Prevention Spill Prevention Control and Countermeasures (SPCC) plans are in place to address any possible spill associated with Oil & Gas operations throughout the state of Colorado in accordance with CFR 112. 0fc89408-906e-4ea9-9af1-845f22724c2f 400149596 5 General Housekeeping General 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 lubrication of equipment. Drip pans will be used during routine 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. Cleanup of trash and discarded materials will be conducted at the end of each work day. Cleanup will consist of patrolling the roadway, 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. 4c56eb7b-aa79-4fec-a9ee-dbb3e4f05486 400149596 5 Storm Water/Erosion Control Stormwater management plans (SWMP) are in place to address construction, drilling and operations associated with Oil & Gas development throughout the state of Colorado in accordance with Colorado Department of Public Health and Environment (CDPHE) and General Permit No. COR-039527. BMP’s will be constructed around the perimeter 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. 400149596 Abelardo Vega

1711 E 16th Street

Greeley CO 80631 400149596 3 3 1 2 3 water vaults, 4 three-phase flowlines, 3 EFM. 400149596 C true 400149596 F true 400149596 Thread was being aborted.