Introduction to Stationary Point Source Emission Inventory Development
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Prepared by: Eastern Research Group, Inc. Prepared for: Point Sources Committee Emission Inventory Improvement Program DISCLAIMER As the Environmental Protection Agency has indicated in Emission Inventory Improvement Program (EIIP) documents, the choice of methods to be used to estimate emissions depends on how the estimates will be used and the degree of accuracy required. Methods using site-specific data are preferred over other methods. These documents are non-binding guidance and not rules. EPA, the States, and others retain the discretion to employ or to require other approaches that meet the requirements of the applicable statutory or regulatory requirements in individual circumstances. ACKNOWLEDGMENT This document was originally prepared and revised by Eastern Research Group, Inc., Morrisville, North Carolina, for the Point Sources Committee of the Emission Inventory Improvement Program and for Roy Huntley of the Emission Factor and Inventory Group, U.S. Environmental Protection Agency. Members of the Point Sources Committee contributing to the preparation of this document are: Lynn Barnes, South Carolina Department of Health and Environmental Control Gary Beckstead, Illinois Environmental Protection Agency Dennis Beauregard, Emission Factor and Inventory Group, U.S. Environmental Protection Agency Bob Betterton, Co-Chair, South Carolina Department of Health and Environmental Control Paul Brochi, Texas Natural Resource Conservation Commission Richard Forbes, Illinois Environmental Protection Agency Alice Fredlund, Louisiana Department of Environmental Quality Marty Hochhauser, Allegheny County Health Department Roy Huntley, Co-Chair, Emission Factor and Inventory Group, U.S. Environmental Protection Agency Paul Kim, Minnesota Pollution Control Agency Sonya Lewis-Cheatham, Virginia Department of Environmental Quality Toch Mangat, Bay Area Air Quality Management District Ralph Patterson, Wisconsin Department of Natural Resources Jim Southerland, North Carolina Department of Environment and Natural Resources Eitan Tsabari, Omaha Air Quality Control Division Bob Wooten, North Carolina Department of Environment and Natural Resources EIIP Volume II iii CHAPTER 1 - INTRODUCTION 5/31/01 This page is intentionally left blank. iv EIIP Volume II CONTENTS Section Page Abbreviations, Acronyms, and Symbols ...........................................x Definitions of Commonly Used Terms .......................................... xiv 1 Introduction ...................................................... 1.1-1 1.1 Background ................................................ 1.1-1 1.2 Purpose of Chapter 1 ......................................... 1.1-3 2 Purposes for Assessing Emissions ..................................... 1.2-1 2.1 Federal Requirements ......................................... 1.2-1 2.1.1 Clean Air Act Requirements ..............................1.2-17 2.1.2 Requirements under Other EPA Regulations .................1.2-25 2.1.3 Federal Requirements Outside of EPA ......................1.2-27 2.2 State Requirements ...........................................1.2-27 3 Emissions Inventory Planning ............................................ 1.3-1 3.1 Preliminary Planning Activities .................................. 1.3-1 3.1.1 End Use of the Data .................................... 1.3-1 3.1.2 Scope of the Inventory .................................. 1.3-3 3.1.3 Availability and Usefulness of Existing Data .................. 1.3-4 3.1.4 Strategy for Data Collection .............................. 1.3-4 3.2 Inventory Preparation Plan .................................... 1.3-8 3.3 Training ................................................... 1.3-9 3.4 Data Sources ...............................................1.3-10 3.4.1 Finding Inventory Guidance ..............................1.3-10 3.4.2 Existing Emission Data ..................................1.3-11 3.4.3 Finding Emission Factor Information ........................1.3-11 3.4.4 Emission Estimation Models ..............................1.3-13 3.4.5 Source Characterization Information ........................1.3-13 3.4.6 Applicable Activity Parameters ............................1.3-15 3.5 Data Handling ..............................................1.3-15 EIIP Volume II v CONTENTS (CONTINUED) Section Page 3.6 Documentation Requirements ...................................1.3-16 3.7 Schedule ...................................................1.3-17 3.8 Issues to Consider When Estimating Emissions from Point Sources ......1.3-17 4 Emission Estimation Procedures ....................................... 1.4-1 4.1 CEMS .................................................... 1.4-3 4.2 Source Tests ................................................ 1.4-3 4.3 Material Balances ............................................ 1.4-5 4.4 Emission Factors ............................................ 1.4-6 4.5 Emission Models ............................................ 1.4-9 4.6 Best Approximation or Engineering Judgement ..................... 1.4-9 4.7 Other Considerations ......................................... 1.4-9 4.7.1 Rule Effectiveness ...................................... 1.4-9 4.7.2 Control Devices .......................................1.4-11 5 Data Collection ................................................... 1.5-1 5.1 Level of Detail .............................................. 1.5-1 5.1.1 Plant Level ........................................... 1.5-1 5.1.2 Point/Stack Level ...................................... 1.5-1 5.1.3 Process/Segment Level .................................. 1.5-2 5.2 Availability and Usefulness of Existing Data ........................ 1.5-2 5.3 Data Collection Methods ...................................... 1.5-2 5.3.1 Surveys ............................................. 1.5-3 5.3.2 Plant Inspections ....................................... 1.5-3 5.3.3 Accessing Agency Air Pollution Files ....................... 1.5-5 5.3.4 Emissions Estimates Conducted by Plant Personnel ............. 1.5-5 vi EIIP Volume II CONTENTS (CONTINUED) Section Page 6 Inventory Reporting and Documentation ................................ 1.6-1 6.1 Documentation of Data Collection and Emission Estimation Activities ... 1.6-2 6.2 Reporting the Results of an Inventory ............................. 1.6-3 7 Quality Assurance/Quality Control ..................................... 1.7-1 7.1 Quality Control .............................................. 1.7-2 7.2 Quality Assurance ............................................ 1.7-3 7.3 QA/QC Procedures for Specific Emission Estimation Methods .......... 1.7-3 7.3.1 Source Tests and Continuous Emissions Monitoring (CEM) ...... 1.7-3 7.3.2 Material Balances ...................................... 1.7-5 7.3.3 Emission Factors ....................................... 1.7-6 7.3.4 Modeling ............................................ 1.7-8 7.4 Data Attribute Rating System (DARS) ............................ 1.7-8 8 References ....................................................... 1.8-1 Appendix A: List of HAPS and Associated MACT Categories Appendix B: List of MACT Source Categories and HAPs Appendix C: Overview of Reference Materials Appendix D: List of Emission Estimation Models and Emission Factor Resources Appendix E: List of L&E Documents Appendix F: Guidance on How to Conduct Screening Studies Appendix G: List of EIIP Preferred and Alternative Methods by Source Appendix H: Point Source Example Calculations Appendix I: Contact and Resource Information Appendix J: Clearing Up the Rule Effectiveness Confusion Appendix K: Options for Data Reporting Appendix L: Example QC Checklist Appendix M: QA/QC Procedures Appendix N: Procedures for Developing, Documenting and Evaluating the Accuracy of Spreadsheet Data EIIP Volume II vii FIGURES Page 1.1-1 Point Source Inventory Development Process ............................ 1.1-4 1.2-1 Key Relationships for Industry Air Pollutant Emission Estimation ............. 1.2-2 1.3-1 Activities for Preparing an Inventory ................................... 1.3-2 1.4-1 Emission Estimation Hierarchy ........................................ 1.4-2 1.5-1 Example of Point Source Surveying .................................... 1.5-4 viii EIIP Volume II TABLES Page 1.1-1 Overview of Document Contents ...................................... 1.1-5 1.2-1 Overview of Key Federal Emission Estimation Requirements ................. 1.2-3 1.2-2 Comparison of Emissions Reporting Program Data Elements .................1.2-12 1.2.-3 Emission Reporting Data Elements for the National Emission Inventory .........1.2-15 1.2-4 Inventory Requirements of the Clean Air Act Amendments for Ozone, CO, PM10 and PM2.5 ...............................................1.2-18 1.3-1 Potential Point Sources and Pollutants .................................. 1.3-5 1.3-2 Issues to Consider When Estimating Emissions from Point Sources ............1.3-18 1.4-1 Control Techniques Guidelines Documents (Groups I, II, III) .................1.4-12 1.4-2 Alternative Control Techniques Documents ..............................1.4-15 1.6-1 Data Reporting Elements for the National Emission Inventory (Annual and Triennial) .............................................. 1.6-4 1.6-2 Data Reporting Elements for Toxics For Incorporation into the National Emission Inventory ................................................ 1.6-6 1.7-1 Methods for Achieving Emission Inventory Data Quality Objectives ............ 1.7-4 EIIP Volume II ix ABBREVIATIONS, ACRONYMS,