gLoSSarY * boe’s may be misleading, particularly if used in isolation. In accordance with  n 51-101, a boe conversion ratio for natural gas of 6 mcf:1 bbl has been used,  which is based on an energy equivalency conversion method primarily applicable  at the burner tip and does not represent a value equivalency at the well head. In 2007, ARC was added to the Js I, a common  stock inde of 60 Canadian companies that  pass a set of broadly based environmental,  social and governance rating criteria. ARC responded to the 2008 CdP  questionnaire, and was recognized as being  one of Canada’s Climate disclosur e Leaders. ARC is a platinum level CAPP Reporter. members commit to continuous improvement  in the responsible management, development  and use of our natural resources; protection  of our environment; and, the health and safety  of our workers and the general public. thE SaVingS aBoVE arE a rESULt of Printing thiS annUaL on  EnVironMEntaLLY rESPonSiBLE PaPErS. USing SociaLLY rESPonSiBLE PaPEr  hELPS SaVE trEES anD rEDUcE EnErgY  conSUMPtion, air PoLLUtion, watEr  PoLLUtion anD SoLiD waStE.  DESignED anD  ProDUcED BY wEStErn SkY crEatiVE PrintED BY SUnDog Printing aPi american Petroleum institute bbls barrels bbls/d barrels per day bcf  billion cubic feet boe* barrels of oil equivalent boe/d* barrels of oil equivalent per day capex capital expenditures fD&a finding, development and acquisition costs f&D finding and development costs fDc future development costs gaaP generally accepted accounting principles g&a general and administrative gJ gigajoule mbbls thousand barrels mboe* thousand barrels of oil equivalent mcf thousand cubic feet mcf/d thousand cubic feet per day mmbbls million barrels mmboe* million barrels of oil equivalent mmbtu million British thermal Units mmcf million cubic feet mmcf/d million cubic feet per day naV net asset value ngL natural gas liquids nYMEX new York Mercantile Exchange oil Equivalent  barrels of oil and natural gas converted at 6:1 rLi reserve life index tSX  toronto Stock Exchange wti west texas intermediate CARBON  DISCLOSURE  PROJECTS eNergy reduced (bTu) (millioNs) 2,000,000 NeT greeNhouse gas  emissioNs reduced (lbs) 605 WasTe WaTer (galloNs) 2,914 Trees  preserved 7 solid WasTe (lbs) 176