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400117921 02A 2011-01-27T10:01:38.51-07:00 96850 WILLIAMS PRODUCTION RMT COMPANY LLC

1515 ARAPAHOE ST STE 1000

DENVER CO 80202 Matt Barber 303 606-4325 303 629-8275 Matt Barber Sr. Regulatory Specialist 2011-01-27T10:01:38.51-07:00 2011-01-27T10:01:38.37-07:00 316510 UPLOADED barberm 2010-12-20T14:20:52.603-07:00 barberm matt.barber@williams.com 0.00000 matt.barber@willliams.com IN PROCESS FreemanS FreemanS 2011-01-27T16:41:54.44-07:00 400117921 false false true 399-1-4 Sandridge (Cuttings Management) 316510 RIO BLANCO Lot 4 1 3S 99W 6 7176 754 FNL 760 FWL 39.823128 -108.457458 1.7 2005-12-02T00:00:00-07:00 J.T 2 2011-02-28T00:00:00-07:00 2014-02-01T00:00:00-07:00 7176 false false false OFFSITE LAND SPREADING Evaporation & Backfilling FEE FEDERAL true true applicant is owner false 14000 1882 11005 20000 754 true true Map Unit Symbol #73 - Rentsac channery loam, 5 to 50 percent slopes Map Unit Symbol #70 - Redcreek-Rentsac complex, 5 to 30 percent slopes false true 2010-07-29T00:00:00-06:00 true true false true 287 6012 50 false false No false 3.40 0.00 400117921 Proposed multi-well pits will on location wil be used for solid cuttings management from current drilling operations for a a period of 3 years and will be lined with a 36 mil poly liner. These pits will not contain fluids. The certification plan, prepared by Dave Fox, P.E., contains additional detail information on the pit liner and construction specifications. Nearest water well, located in Sec. 36, T2S, R99W, is 6012' away. 400117921 400117921 FORM 2A SUBMITTED 400117921.pdf 400117921 400120830 ACCESS ROAD MAP 399-1-4 Access Road Topo.pdf 595154 400117921 400120831 CONST. LAYOUT DRAWINGS 399-1-4 Contruction Plat.pdf 172387 400117921 400120832 HYDROLOGY MAP 399-1-4 Hydrology Map.pdf 206336 400117921 400120833 LOCATION DRAWING 399-1-4 Location Drawing.pdf 129777 400117921 400120834 LOCATION PICTURES 399-1-4 Location Pictures.pdf 587249 400117921 400120835 REFERENCE AREA MAP 399-1-4 Reference Area.pdf 226682 400117921 400120836 OTHER Sandridge 399-1-4 Final Pit & Liner Specs (Fox 7-08-10).pdf 2501421 400117921 400120841 NRCS MAP UNIT DESC 70 r.pdf 38120 400117921 400120842 NRCS MAP UNIT DESC 73.pdf 37710 400117921 400120844 SENSITIVE AREA DATA Fed 399-1-4_Sensitive Area Determination Checklist.pdf 100700 799142a0-d52a-4db7-a611-f69b693b3ffd 400117921 5 Construction Proposed BMPs Williams Production RMT Sandridge 399-1-4 Cutting Management Multi Well Pits Note: Pad is located outside of critical mule deer winter range • Maintain undeveloped areas within development boundaries sufficient to allow wildlife to persist within development boundaries during • To the extent practicable, share and consolidate roads to minimize surface disturbance. • Treat waste water pits and any associated pit containing water that provides a medium for breeding mosquitoes with Bti (Bacillus thuringiensis v. israelensis) or take other effective action to control mosquito larvae that may spread West Nile Virus to wildlife, especially grouse. • Use wildlife appropriate seed mixes wherever allowed by surface owners and regulatory agencies. • Mow or brushhog vegetation where appropriate, leaving root structure intact, instead of scraping the surface, where allowed by the surface owner. • Post speed limits and caution signs to the extent allowed by surface owners, Federal and state regulations, local government, and land use policies, as appropriate. • Use wildlife-appropriate fencing where acceptable to the surface owner. • Install and utilize bear-proof dumpsters and trash receptacles for food-related trash at all facilities that generate such trash. • Plan new transportation networks and new oil and gas facilities to minimize surface disturbance and the number and length of oil and gas roads and utilize common roads, rights of way, and access points to the extent practicable • Establish new staging, refueling, and chemical storage areas outside of riparian zones and floodplains. • Construct pit fences and nets that are capable of withstanding animal pressure and environmental conditions and that are appropriately sized for the wildlife encountered. 400117921 WILLIAMS PRODUCTION RMTCO

1515 ARAPAHOE ST STE 1000

DENVER CO 80202 (303) 606-4058 (303) 629-8275 maxwell.faith@williams.com 400117921 2 400117921 C true 400117921 F true 400117921 true true

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