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8.D. - Page 74 <br /> I ntrod uction <br /> General Methodology <br /> Local Government Operations Protocol <br /> A national standard called the Local Governinent Operations Protocol (LGO Protocol) has been developed and <br /> adopted by the California Air ResoLnces Board (ARB) in conjLmction with ICLEI, the California Qii�nate Action <br /> Registry, and The Qii�nate Registry. This standard provides accoLmting principles,boLmdaries, quantification methods, <br /> and procedLnes for reporting greenhouse gas erni�sions from local governinent operations. The LGO Protocol forn�s <br /> the basis of ICLEI's Qean Air&Clii�te Protection Software(CACP 2009),wizich allows local governinents to compile <br /> data and perform the emissions calculations using standardized methods. <br /> Greenhouse Gases and Carbon Dioxide Equivalent <br /> In accordance with LGO Protocol recommendations, CACP 2009 calculates and reports all six internationally <br /> recognized greenhouse gases regulated Lmder the K�to Protocol (Carbon Dioxide, Metl�ane, Nitrous Oxide, <br /> Hydrofluorocarbons, Perfluorocarbons, and Sulfur Hexafluoride). Emissions sLnni�ries foLmd throughout this report <br /> also use CACP 2009's ability to combine emissions from the various greenhouse gases into carbon dioxide eq�rivalent, <br /> COze.Since equal quantities of each greenhouse gas l�ave more or less influence on the greenhouse effect,converting all <br /> emissions to a standard metric,COze, allow�apples-to-apples coinparisons among�t quantities of all six emissions types. <br /> Greenhouse gas err�issions are reported in this inventory as inetric tons of COze(MTCOze). <br /> Table 2 exhibits the greenhouse gases and their global wanning potential(GWP),a measLne of the amoLmt of wan�ning a <br /> greenhouse gas may cause compared to the amotmt of wan�ning caused by carbon dioxide. <br /> Tahle d� Greenhnuse GaSeS <br /> � . • <br /> � • <br /> Carbon Dioxide COz Combustion 1 <br /> Combustion,Anaerobic Decomposition of <br /> Organic Waste(Landfills,Wastewater),Fuel <br /> Methane CH4 Handlin 21 <br /> Nitrous Oxide Nz0 Combustion,Wastewater Treahnent 310 <br /> H drofluorocarbons Various Leaked Refri ants,Fire S essants 12-11,700 <br /> A1Ln�nirnnn Production,Semiconductor <br /> Manufact�ing,HVAC E quipment <br /> Perfluorocarbons Various Manufach�in 6,500-9,200 <br /> Sulfur Hexafluoride SF6 Transmission and Distnbution of Poww�rr 23,900 <br /> I I ' � ii i 1 i i i i <br />