Comments of the Sierra Club, Lodging of NETL studies on life cycle and air emissions under CP09-6.

Chapter 4: Fugitive Emissions CHAPTER 4 FUGITIVE EMISSIONS 2006 IPCC Guidelines for National Greenhouse Gas Inventories 4.1 Volume 2: Energy Authors Coal Mining John N. Carras (Australia) Pamela M. Franklin (USA), Yuhong Hu (China), A. K. Singh (India), and Oleg V. Tailakov (Russian Federation) Oil and natural gas David Picard (Canada) Azhari F. M. Ahmed (Qatar), Eilev Gjerald (Norway), Susann Nordrum (USA), and Irina Yesserkepova (Kazakhstan) 4.2 2006 IPCC Guidelines for National Greenhouse Gas Inventories Chapter 4: Fugitive Emissions Contents 4 Fugitive Emissions 4.1 Fugitive emissions from mining, processing, storage and transportation of coal..................................4.6 4.1.1 Overview and description of sources.............................................................................................4.6 4.1.1.1 Coal mining and handling........................................................................................................4.6 4.1.1.2 Summary of sources .................................................................................................................4.8 4.1.2 Methodological issues ...................................................................................................................4.9 4.1.3 Underground coal mines................................................................................................................4.9 4.1.3.1 Choice of method...................................................................................................................4.10 4.1.3.2 Choice of emission factors for underground mines ...............................................................4.11 4.1.3.3 Choice of activity data ...........................................................................................................4.14 4.1.3.4 Completeness for underground coal mines ............................................................................4.14 4.1.3.5 Developing a consistent time series .......................................................................................4.14 4.1.3.6 Uncertainty assessment..........................................................................................................4.15 4.1.4 Surface coal mining.....................................................................................................................4.17 4.1.4.1 Choice of method...................................................................................................................4.17 4.1.4.2 Emission factors for surface mining ......................................................................................4.18 4.1.4.3 Activity data...........................................................................................................................4.19 4.1.4.4 Completeness for surface mining...........................................................................................4.19 4.1.4.5 Developing a consistent time series .........................................