2015 Southern Ute Indian Reservation Emission Inventory Southern Ute Indian Tribe Environmental Programs Division – Air Quality Program 71 Mike Frost Way Ignacio, Colorado 81137 ________________________________________________________________ Final Report for 2015 Southern Ute Indian Tribe Comprehensive Emissions Inventory for Criteria Pollutants, Hazardous Air Pollutants, and Greenhouse Gases __________________________________________________________________ Prepared by: Southern Ute Indian Tribe Environmental Programs Division Air Quality Program P.O. Box 737, MS# 84 Ignacio, Colorado 81137 (970) 563-4705 Oil and gas emission calculations prepared by Oakley Hayes, Air Quality Scientist Non-oil and gas emissions calculations prepared by Matt Wampler, Air Quality Analyst Emission Inventory Report prepared by Danny Powers, Air Quality Technical Manager May, 2017 Table of Contents Table of Figures............................................................................................................................. 3 List of Acronyms ........................................................................................................................... 9 I. Executive Summary ............................................................................................................ 11 II. Overview .............................................................................................................................. 12 1. Purpose of Inventory .................................................................................................. 12 2. Geographic Location of Southern Ute Indian Reservation ........................................ 12 3. Climate........................................................................................................................ 13 4. Geology ...................................................................................................................... 13 5. Sources........................................................................................................................ 13 III. Data Quality Objectives .................................................................................................. 14 1. Accuracy ..................................................................................................................... 14 2. Uncertainty ................................................................................................................. 15 3. Completeness .............................................................................................................. 15 4. Comparability ............................................................................................................. 15 IV. Point Sources .................................................................................................................... 15 1. Title V Oil and Gas Sources ....................................................................................... 15 2. Minor Point Sources ................................................................................................... 20 3. Landfill Gas ................................................................................................................ 30 4. Airports ....................................................................................................................... 33 V. Non-Point Sources ............................................................................................................... 35 1. Non-registered Oil and Gas Sources .......................................................................... 35 2. Fruitland Formation Outcrop Natural Gas Seeps ....................................................... 74 3. Gas Stations ................................................................................................................ 76 4. Aviation Gasoline ....................................................................................................... 78 5. Gravel Pits .................................................................................................................. 79 6. Residential Heating..................................................................................................... 80 7. Wildland Fires and Prescribed Burns ......................................................................... 84 8. Agricultural Burning................................................................................................... 87 VI. Mobile Sources ................................................................................................................. 88 1. On-Road Mobile Sources ........................................................................................... 88 2. Non-Road Mobile Sources ......................................................................................... 89 VII. Biogenic ............................................................................................................................. 90 VIII. Summary ....................................................................................................................... 91 1 IX. Bibliography ................................................................................................................... 103 X. Appendix – Quality Assurance Review ........................................................................... 106 2 Table of Figures Figure 1 – 2015 Total Criteria Pollutant and HAP Emission on the Southern Ute Indian Reservation in Tons per Year ..................................................................................................................................................................................... 12 Figure 2 – 2015 Title V Oil and Gas Source Criteria Pollutant and GHG Emissions Estimations for the Southern Ute Indian Reservation in Tons per Year ............................................................................................................................ 16 Figure 3 – 2015 Title V Oil and Gas Source Criteria Pollutant Emissions on the Southern Ute Indian Reservation in Tons per Year ............................................................................................................................................................... 17 Figure 4 – 2015 NOx Emissions at Title V Oil and Gas Sources on the Southern Ute Indian Reservation by Equipment Type in Tons per Year .................................................................................................................................................. 17 Figure 5 – 2015 VOC Emissions at Title V Oil and Gas Sources on the Southern Ute Indian Reservation by Equipment Type in Tons per Year .................................................................................................................................................. 18 Figure 6 – 2015 Title V Oil and Gas Source Hazardous Air Pollutant Emissions on the Southern Ute Indian Reservation in Tons per Year ....................................................................................................................................... 18 Figure 7 – 2015 Title V Oil and Gas Source Hazardous Air Pollutant Emissions on the Southern Ute Indian Reservation in Tons per Year ....................................................................................................................................... 19 Figure 8 – 2015 Hazardous Air Pollutant Emissions at Title V Oil and Gas Sources on the Southern Ute Indian Reservation by Equipment Type in Tons per Year ....................................................................................................... 19 Figure 9 – 2015 Greenhouse Gas Emissions at Title V Oil and Gas Sources on the Southern Ute Indian Reservation by Equipment Type in Tons per Year ........................................................................................................................... 20 Figure 10 – 40 CFR Part 49 Minor New Source Review Program Emissions Thresholds in Tons per Year .................. 21 Figure 11 – 2015 Criteria Pollutant and HAP Emissions for Permitted Tribal Minor New Sources Review Oil and Gas Sources on the Southern Ute Indian Reservation in Tons per Year ............................................................................. 22 Figure 12 – 2015 Criteria Pollutant and HAP Emissions for Permitted Tribal Minor New Sources Review Oil and Gas Sources on the Southern Ute Indian Reservation in Tons per Year ............................................................................. 23 Figure 13 – 2015 NOx Emissions for Permitted Tribal Minor New Sources Review Oil and Gas Sources on the Southern Ute Indian Reservation in Tons per Year ..................................................................................................... 23 Figure 14 – 2015 VOC Emissions for Permitted Tribal Minor New Sources Review Oil and Gas Sources on the Southern Ute Indian Reservation in Tons per Year ..................................................................................................... 24 Figure 15 – 2015 Total HAP Emissions for Permitted Tribal Minor New Sources Review Oil and Gas Sources on the Southern Ute Indian Reservation in Tons per Year ..................................................................................................... 24 Figure 16 – 2015 Speciated HAP Emissions for Permitted Tribal Minor New Sources Review Oil and Gas Sources on the Southern Ute Indian Reservation in Tons per Year ..............................................................................................