Nevada Greenhouse Gas Inventory and Reference Case Projections

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Source Category Cement Manufacturing - Clinker Production Cement Manufacturing - Masonry Cement Production Lime Manufacture Limestone and Dolomite Consumption FINAL Nevada GHG Inventory and Reference Case Projection CCS, July 2007 Table D1. Approach to Estimating Historical Emissions Time Period Required Data for SGIT Data Source 1994 - Metric tons of clinker produced -- The NDEP provided annual clinker production data for 2002 each year. 1994 – 2005 for Nevada Cement (production data were not available for years prior to 1994). -- Clark County had one plant (Royal Cement) that closed in 2004, but the County does not have any clinker production data for the plant. Therefore, emissions were not estimated for this plant. Not applica ble 1994 - 2005 1994 - 2002 Soda Ash 1990 - 2005 ODS Substitutes 1990 - 2002 Electric Power T&D Systems 1990 - 2002 Metric tons of masonry cement produced each year. Metric tons of high-calcium and dolomitic lime produced each year. Consumption of limestone and dolomite by industrial sectors. Consumption of soda ash used in consumer products such as glass, soap and detergents, paper, textiles, and food. Emissions based on state’s population and estimates of emissions per capita from the US EPA national GHG inventory. Based on state’s population and estimates of emissions per capita from the US EPA national GHG inventory. Emissions from 1990 to 2003 based on the national emissions per kWh and state's electricity use. -- Washoe County does not have any cement plants. -- The NDEP confirmed that masonry cement is not manufactured by Nevada Cement. -- Clark County thought that the Royal Cement plant, which closed in 2004, probably did not produce masonry cement. -- Washoe County does not have any cement plants. -- The NDEP provided annual high-calcium lime production data for 1994 – 2005 for Graymont Western (production data were not available prior to 1994). -- Clark County provided annual high-calcium and dolomitic lime production data for Chemical Lime Company for 1999, 2000, 2001, and 2003. -- Washoe County does not have any lime plants. For default data, the state's total limestone consumption (as reported by USGS) is multiplied by the ratio of national limestone consumption for industrial uses to total national limestone consumption. Additional information on these calculations, including a definition of industrial uses, is available in Chapter 6 of the EIIP guidance document (see footnote 1 for reference to EIIP guidance document). USGS Minerals Yearbook, 2004: Volume I, Metals and Minerals, (http://minerals.usgs.gov/minerals/pubs/commodity/soda _ash/). For population data, see references for ODS substitutes. -- Population data for 1990 through 2005 from the Nevada State Demographer’s Office, University of Nevada, Reno, Nevada, “Nevada County Population Estimates July 1, 1990 to July 1, 2005, Includes Cities and Towns” (http://www.nsbdc.org/what/data_statistics/demographer /pubs/pdfs/NVpopul05.pdf). -- Population forecasts for 2006 to 2020 also from the Nevada State Demographer’s Office, “Nevada County Population Projections 2006 to 2026” (http://www.nsbdc.org/what/data_statistics/demographer /pubs/docs/NV_2006_Projections.pdf). -- U.S. 2000-2005 population from U.S. Census Bureau (http://www.census.gov/population/projections/Summary TabA1.xls). National emissions per kWh from US EPA 2005 Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2003 (http://www.epa.gov/climatechange/emissions/usgginv_ archive.html). Nevada Division of 44 Center for Climate Strategies Environmental Protection www.climatestrategies.us
FINAL Nevada GHG Inventory and Reference Case Projection CCS, July 2007 Table D2. Approach to Estimating Projections Source Category Cement Manufacturing - Clinker Production Lime Manufacture Limestone and Dolomite Consumption Soda Ash Consumption Nitric Acid Production Time Period 2006- 2020 2006- 2020 2003 - 2020 2003 - 2020 2006- 2020 ODS Substitutes 2003 - 2020 Electric Power T&/D Systems 2003 - 2020 Annual Growth Rates (%) 2000 2005 2010 2015 Projection to to to to Assumptions Data Source 2005 2010 2015 2020 Compound annual Nevada Department 3.7 3.7 3.7 3.7 growth rate from of Employment; Nevada’s Nonmetallic (http://www.nevadaw Minerals sector orkforce.com/cgi/data employment projections analysis/). (2004-2014). Assumed growth is same for 2015 – 2020 as in previous periods. Ditto ditto 3.7 3.7 3.7 3.7 Ditto ditto 3.7 3.7 3.7 3.7 Growth between 2004 and 2009 is projected to be about 0.5% per year for U.S. production. Assumed growth is same for 2010 – 2020. Compound annual growth rate from Nevada’s Other Chemical Product and Preparation Manufacturing sector employment projections (2004-2014). Assumed growth is same for 2015 – 2020 as in previous periods. Based on national growth rate for use of ODS substitutes. Minerals Yearbook, 2005: Volume I, Soda Ash, (http://minerals.usgs. gov/minerals/pubs/co mmodity/soda_ash/so da_myb05.pdf). Nevada Department of Employment; (http://www.nevadaw orkforce.com/cgi/data analysis/). US EPA, 2004 ODS substitutes cost study report (http://www.epa.gov/o zone/snap/emissions/ TMP6si9htnvca.htm). 0.5 0.5 0.5 0.5 -1.1 -1.1 -1.1 -1.1 15.8 7.9 5.8 5.3 Ditto ditto 3.3 -6.2 -9.0 -2.8 Semiconductor manufacturing is classified under NAICS code 334413. The 1997 Economic Census (http://www.census.gov/econ/ census02/) did not report any data for NAICS code 334413 for Nevada. The 2002 Economic Census reported four establishments each with from 100 to 240 paid employees. Value of shipments information, which is needed to estimate emissions for Nevada in the SGIT, was, however, withheld for confidentiality reasons in the 2002 Economic Census for these four establishments. Therefore, emissions were not estimated for this industrial sector. Nevada Division of 45 Center for Climate Strategies Environmental Protection www.climatestrategies.us
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Nevada Greenhouse Gas Inventory and Reference Case Projections

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