City of Fort Worth Follow-Up Survey Project Fort Worth, Texas Area April 19-23, 2010 (6/7/10)

Transcription

1 City of Fort Worth Follow-Up Survey Project Fort Worth, Texas Area April 19-23, 2010 (6/7/10) Background In response to observations and findings associated with oil and natural gas production and processing in the Barnett Shale Formation area in August, October, November, and December 2009, and March 2010, the Texas Commission on Environmental Quality (TCEQ) made it a priority to conduct an additional volatile organic compound (VOC) survey project in the Fort Worth, Texas, area. General Monitoring From April 19-23, 2010, staff returned to 38 of 126 locations visited during the December 2009, Fort Worth Survey Project and also surveyed 59 additional locations (see Attachments 1 and 4). Coverage was provided in all of the City of Fort Worth s eight city council districts. For organizational purposes, the Fort Worth geographical area was divided into four quadrants (NW, NE, SE, SW), and monitoring teams spent time in each area in an effort to provide wide-ranging coverage. Monitoring and field assessments during this project were conducted at multiple natural gas emission source types involved in the production and processing of products, including but not limited to drilling, fracturing, well-heads, condensate and product storage tank batteries, compressor stations, saltwater disposal wells, and natural gas processing facilities. Evaluation efforts included off-site organic sampling and site evaluation using survey instrumentation. Members of the Mobile Response Team and TCEQ Dallas/Fort Worth regional staff used Toxic Vapor Analyzers and GasFindIR (infrared) cameras to conduct general organic screens, to document emissions, and to determine if and where quantitative upwind and downwind canister samples should be collected. Where warranted, 30-minute, time-integrated canister samples were collected upwind and downwind of identified sources. The canisters were analyzed in the TCEQ Organic Analysis Laboratory (OAL) in Austin, Texas, using cryogenic pre-concentration followed by thermal desorption into an Agilent 6890/5973 gas chromatograph/mass spectrometer (GC/MS). Fort Worth Area Observations and Findings Monitoring assessment sites were designated based on individual physical locations distinguished by a specific address or geographic location, and each location contained natural gas production or processing equipment. Twenty GasFindIR Camera images were recorded (see Attachment 2) documenting a variety of storage tank, scrubber, and oil recovery basin emissions at (Locations 20, 21, and 23), /Texas Midstream Gas Services (Location 19), XTO (Locations 15, 16, and 17), Ecana Oil & Gas (Locations 8 and 22), Quicksilver Resources (Location 18), CD Consulting & Operating Company (Location 1), Barnett Gathering (Location 3), Crosstex /Treating Services (Location 12), Radius Operating Company (Location 11), and Devon (Locations 13 and 14). In addition, 12 canister samples were collected (see Attachment 3), including a generally upwind Fort Worth airshed sample (Location 5). The remaining 11 samples were collected downwind and upwind of a variety of facilities, including CD Consulting & Operating Company (Locations 1 and 2), Barnett Gathering (Locations 3 and 4), /Texas Midstream Gas Services (Locations 6 and 7), (Locations 9 and 10), and Ecana Oil & Gas (Location 8). A variety of VOCs were detected including maximum concentrations of 2,000 parts per billion by volume (ppbv) of ethane and 310 ppbv of propane. Three canister samples measured concentrations of benzene that exceeded the TCEQ long-term Air Monitoring Comparison Value of 1.4 ppbv, including concentrations of 6.3 ppbv, 3.2 ppbv, and 1.9 ppbv.

2 ATTACHMENT 1 SAMPLE LOCATIONS/MAPS

3 Number 1 North Latitude West Longitude On utility road, approximately 30 yards south of Cromer Drive and 100 yards east of Lucille Drive On pasture land, approximately 150 yards east of Lucille Drive and 100 yards south of Cromer Drive On utility road, approximately 200 yards south of East Hicks Field Road On utility road, approximately 400 yards south of East Hicks Field Road On Shelby Road, approximately 0.3 mile west of Race Street On utility road, approximately 100 yards west of Yuma Street and 0.25 mile south of Devitt Street Along fenceline, approximately 0.2 mile south of East Berry Street and 50 yards east of Corbett Companies business entrance drive Along fenceline, approximately 50 yards south of Interstate Highway (IH) 20 and 0.25 mile east of Markum Ranch Road On utility road, approximately 400 yards west of Crowley Road and 275 yards north of Industrial Boulevard On utility road, approximately 0.25 mile west of Crowley Road and 475 yards south of Industrial Boulevard On entrance drive, approximately 0.2 mile west of Markum Ranch Road and 0.1 mile south of IH On utility road, approximately 0.25 mile north of Blue Mound Road On utility road, approximately 100 yards south of Verna Trail and 0.1 mile west of Silver Creek Road Attachment 1 Sample Locations Fort Worth Follow-Up Survey Project April 19-23, 2010 Description GPS Coordinates On utility road, approximately 100 yards east of Silver Creek Road and 0.3 mile north of Verna Trail

4 Number Attachment 1 (continued) Description GPS Coordinates North Latitude West Longitude 15 On utility road, approximately 100 yards south of IH Loop 820 and 0.8 mile east of Azle Avenue On 38th Street, appoximately 0.1 mile east of North Main (United States Highway 287 Business) On Mosier Valley Road, approximately 0.8 mile east of Trinity Boulevard On Arkansas Lane, approximately 0.3 mile east of Rosedale Street On Corbett Companies business entrance drive, approximately 0.2 mile south of East Berry Street Adjacent to Glen Garden Country Club Golf Course, approximately 500 yards west of Lomita and 500 yards south of Glen Garden Drive On utility road, approximately 350 yards west of Crowley Road and 300 yards north of Industrial Boulevard On Old Weatherford Road, approximately 0.15 mile west of Chapel Creek Boulevard On utility road, approximately 325 yards west of Crowley Road and 350 yards north of Industrial Boulevard GPS = Global Positioning System.

5 Map 1 Harbison Fisher Compressor Station Crowley Road (FM 731) Industrial Boulevard Miles ± TEXAS Tarrant County Harbison Fisher Compressor Station Sample Locations* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following locations are included: 9, 10, 21, and 23. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/21/10 Created By: TR Revised On: 5/25/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

6 Illinois Yuma Map 2 Berry Yuma Devitt Devitt Todd Devitt Shaw Schieffer Mississippi /Texas Midstream S&B Compressor Station US Hwy 287 Business Briardale Miles ± TEXAS Tarrant County /Texas Midstream S&B Compressor Station Sample Locations* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following locations are included: 6, 7, and 19. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/21/10 Created By: TR Revised On: 5/26/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

7 Map 3 Meadowland Lucille Drive Cromer Drive 1 2 CD Consulting & Operating Company Pent Lease FM Miles ± TEXAS Tarrant County CD Consulting & Operating Pent Lease Sample Locations* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following locations are included: 1 and 2. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/20/10 Created By: TR Revised On: 5/26/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

8 Map 4 East Hicks Field Road Barnett Gathering LP Saginaw Compressor Station Hicks Field Road 3 4 U. S. Highway Miles ± TEXAS Tarrant County Barnett Gathering LP Saginaw Compressor Station Sample Locations* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following locations are included: 3 and 4. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/21/10 Created By: TR Revised On: 5/26/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

9 Map 5 Cougar Old Weatherford 22 Amber Ridge Morning Dew Rolling Creek Whispering Wind Encana Oil & Gas Chapel Creek 2H and 4H Chapel Creek Cattail Cool Spring Pleasant Mound Harvest Glen Sundrop Old Weatherford Miles Meadow Gate ± TEXAS Tarrant County Encana Oil & Gas Chapel Creek Sample Location* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following location is included: 22. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/21/10 Created By: TR Revised On: 5/25/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

10 Map 6 IH Markum Ranch Road 8 IH 20 Radius Operating Company IH 20 Salt Water Disposal Encana Oil & Gas DAB Well 5H and Compressor Station Miles ± TEXAS Tarrant County Interstate Highway 20 and Markum Ranch Road Area Sample Locations* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following locations are included: 8 and 11. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/21/10 Created By: TR Revised On: 5/25/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

11 Map 7 Glen Garden Mitchell Glen Garden 61-H Lomita Miles ± TEXAS Tarrant County Glen Garden Sample Location* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following location is included: 20. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/21/10 Created By: TR Revised On: 5/25/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

12 Map 8 Michael Coury Christopher Michelle Edna Coury Russell Edna Christie Kelley Celeste Pittman Vaden Christie Langley Smith Shelby Everman Beacon 5 Crimson Crix Bolingbroke Alanbrooke Unnamed Street Dan Meyers Townley Race Coral Russet Azure Scarlet Dan Meyers Sable Miles ± TEXAS Tarrant County Southeast Fort Worth Area Airshed Sample Location* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following location is included: 5. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/21/10 Created By: TR Revised On: 5/25/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

13 Map 9 E Lancaster Avenue E Rosedale Street Quicksilver Resources Lake Arlington Compressor Station Arkansas Lane Miles ± *The TEXAS Tarrant County Quicksilver Resources Lake Arlington Compressor Station Sample Location* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 data Created On: 5/24/10 following location is included: 18. This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512) Texas Commission on Environmental Quality Field Operations Support Mobile Reponse Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) Created By: TR Revised On: 5/25/10 Revised By: TR

14 Map 10 IH Loop 820 XTO L&S Land A1 and A2 15 Mantis Tiburon Estrella Creekside Miles ± TEXAS Tarrant County XTO L&S Land A1 and A2 Sample Location* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following location is included: 15. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/21/10 Created By: TR Revised On: 5/25/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

15 Map 11 Crosstex /Treating Services Blue Mound Compressor Station 12 Blue Mound Road U.S. Highway Miles ± TEXAS Tarrant County Blue Mound Compressor Station Sample Location* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following location is included: 12. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/20/10 Created By: TR Revised On: 5/26/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

16 Map Devon Hyde-Hickman B 1-4H Silver Creek Road Devon Hyde-Hickman C 1-4H Verna Trail Miles IH Loop 820 ± TEXAS Tarrant County Devon Hyde-Hickman B1-4H and C1-4H Sample Locations* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following locations are included: 13 and 14. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/21/10 Created By: TR Revised On: 5/25/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

17 Map 13 XTO Slaughter Heights Unit 1H North Main (U. S. Highway 287 Business) 16 38th Street Miles ± TEXAS Tarrant County XTO Slaughter Heights Unit 1H Sample Location* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following location is included: 16. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/21/10 Created By: TR Revised On: 5/26/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

18 Map 14 Trinity Boulevard XTO Euless Units A1H, A5H and D4H Mosier Valley Road Miles ± TEXAS Tarrant County XTO Euless Units Sample Location* City of Fort Worth Follow-Up Survey Project April 19-23, 2010 *The following location is included: 17. Texas Commission on Environmental Quality Field Operations Support Mobile Response Team Mail Code 165 P.O. Box Austin, TX Source: DOQQs are Farm Services Agency 2008 (0.5m) data Created On: 05/24/10 Created By: TR Revised On: 5/26/10 Revised By: TR This map was generated by the Mobile Response Team of the Texas Commission on Environmental Quality. This map was not generated by a licensed surveyor, and is intended for illustrative purposes only. No claims are made to the accuracy or completeness of the data or to its suitability for a particular use. For more information concerning this map, contact the Field Operations Support Division at (512)

19 ATTACHMENT 2 GASFINDIR VIDEO IMAGE DESCRIPTIONS

20 Attachment 2 City of Fort Worth Follow-Up Survey Project GasFindIR Video Image Descriptions April 19-23, 2010 FWFS1004(1A) - Image recorded in Fort Worth from a utility road, approximately 350 yards west of Crowley Road and 300 yards north of Industrial Boulevard (Location 21) on April 20, 2010, from 11:30 11:34. This image shows emissions from a pressure relief vent on a storage tank battery at the southeastern corner of the, Incorporated (Inc.) Harbison Fisher Compressor Station. Image collected by Tom Randolph. FWFS1004(1C) - Image recorded in Fort Worth from Mosier Valley Road, approximately 0.8 mile east of Trinity Boulevard (Location 17) on April 20, 2010, from 14:46 14:51. This image shows emissions from a pressure relief vent and roof-top area of a condensate storage tank battery at the XTO, Inc. Euless Units. Image collected Tim Doty and Mark Leidig. FWFS1004(2A) - Image recorded in Fort Worth from Old Weatherford Road, approximately 0.15 mile west of Chapel Creek Boulevard (Location 22) on April 20, 2010, from 15:36 15:43. This image shows emissions from a horizontal scrubber at the Encana Oil & Gas Chapel Creek 2H, 4H facility. Image collected by Tom Randolph. FWFS1004(2C) - Image recorded in Fort Worth from Arkansas Lane, approximately 0.3 mile east of Rosedale Street (Location 18) on April 20, 2010, from 15:38 15:53. This image shows heavy emissions from the roof-top area of a storage tank battery prior to truck arrival at the Quicksilver Resources Lake Arlington Compressor Station. Image collected Tim Doty and Mark Leidig. FWFS1004(7C) - Image recorded in Fort Worth from the Corbett Companies business entrance drive, approximately 0.2 mile south of East Berry Street (Location 19) on April 20, 2010, from 19:10 19:11. This image shows emissions from the roof-top area of a storage tank battery at the /Texas Midstream Gas Services S&B Compressor Station. Image collected Tim Doty and Mark Leidig. FWFS1004(3C) - Image recorded in Fort Worth from the Corbett Companies business entrance drive, approximately 0.2 mile south of East Berry Street (Location 19) on April 20, 2010, from 19:19 19:23. This image shows emissions from the roof-top area of a storage tank battery at the /Texas Midstream Gas Services S&B Compressor Station. Image collected Tim Doty and Mark Leidig. FWFS1004(4C) - Image recorded in Fort Worth adjacent to the Glen Garden Country Club Golf Course, approximately 500 yards west of Lomita Street and 500 yards south of Glen Garden Drive (Location 20) on April 20, 2010, from 20:09 20:16. This image shows intermittent emissions from a pressure relief vent and roof-top area of a

21 Attachment 2 (continued) condensate storage tank battery at the Glen Garden Unit. Image collected Tim Doty and Mark Leidig. FWFS1004(4A) - Image recorded in Fort Worth from a utility road, approximately 325 yards west of Crowley Road and approximately 350 yards north of Industrial Boulevard (Location 23) on April 21, 2010, from 11:15 11:24. This image shows emissions from a pressure relief vent on a storage tank battery at the southeastern corner of the, Inc. Harbison Fisher Compressor Station. Image collected by Tom Randolph. FWFS1004(2B) - Image recorded in Fort Worth from a utility road, approximately 30 yards south of Cromer Drive and 100 yards east of Lucille Drive (Location 1) on April 21, 2010, from 12:28 12:30. This image shows emissions from a hatch on a condensate storage tank at the CD Consulting & Operating Company (Co.) Pent Lease. Image collected by Clayton Holbrook. FWFS1004(3B) - Image recorded in Fort Worth from a utility road, approximately 200 yards south of East Hicks Field Road (Location 3) on April 21, 2010, from 15:45 15:48. This image shows emissions from an open storage tank hatch at the Barnett Gathering LP Saginaw Compressor Station located at 1645 East Hicks Field Road. Image collected by Clayton Holbrook. FWFS1004(5A) - Image recorded in Fort Worth from the Corbett Companies business entrance drive, approximately 0.2 mile south of East Berry Street (Location 19) on April 21, 2010, from 16:11 16:20. This image shows streaming emissions from the storage tank hatch at the /Texas Midstream Gas Services S&B Compressor Station. Image collected by Manuel Gonzalez. FWFS1004(6A) - Image recorded in Fort Worth from the Corbett Companies business entrance drive, approximately 0.2 mile south of East Berry Street (Location 19) on April 21, 2010, from 16:28 16:32. This image shows streaming emissions from a storage tank hatch at the /Texas Midstream Gas Services S&B Compressor Station. Image collected by Manuel Gonzalez. FWFS1004(4B) - Image recorded in Fort Worth from a utility road, approximately 0.25 mile north of Blue Mound Road (Location 12) on April 21, 2010, from 17:04 17:07. This image shows emissions from a pressure relief vent and roof-top area of a condensate storage tank battery at the Crosstex /Treating Services Blue Mound Compressor Station located at 1000 Blue Mound Road. Image collected by Clayton Holbrook. FWFS1004(7A) - Image recorded in Fort Worth from the Corbett Companies business entrance drive, approximately 0.2 mile south of East Berry Street (Location 19) on April 21, 2010, from 17:25 17:32. This image shows streaming emissions from a storage tank hatch at the /Texas Midstream Gas Services S&B Compressor Station. Image collected by Tom Randolph. Page 2

22 Attachment 2 (continued) FWFS1004(9A) - Image recorded in Fort Worth from an entrance drive, approximately 0.2 mile west of Markum Ranch Road and 0.1 mile south of Interstate Highway (IH) 20 (Location 11) on April 22, 2010, from 09:32 09:37. This image shows intermittent emissions from a concrete oil recovery basin at Radius Operating Co. I 20 Salt Water Disposal located at 1400 Markum Ranch Road. Image collected by Tom Randolph. FWFS1004(10A) - Image recorded in Fort Worth from the facility fenceline, approximately 50 yards south of IH 20 and 0.25 mile east of Markum Ranch Road (Location 8) on April 22, 2010, from 10:22 10:26. This image shows emissions from a storage tank battery pressure relief vent at the Encana Oil & Gas DAB Well 5H and Compressor Station. Image collected by Tom Randolph. FWFS1004(6B) - Image recorded in Fort Worth from a utility road, approximately 100 yards south of Verna Trail and 0.1 mile west of Silver Creek Road (Location 13) on April 22, 2010, from 11:34 11:41. This image depicts emissions from condensate tank battery hatches at the Devon Hyde-Hickman B 1H, 2H, 3H, and 4H well lease located at 9707 Verna Trail. Image collected by Clayton Holbrook. FWFS1004(7B) - Image recorded in Forth Worth from a utility road, approximately 100 yards east of Silver Creek Road and 0.3 mile north of Verna Trail (Location 14) on April 22, 2010, from 12:14 12:19. This image shows emissions from condensate storage tank battery separator control boxes at the Devon Hyde-Hickman C 1H, 2H, 3H, and 4H well lease located at 1290 Silver Creek Road. Image collected by Clayton Holbrook. FWFS1004(8B) - Image recorded in Forth Worth from a utility road, approximately 100 yards south of IH Loop 820 and 0.8 mile east of Azle Avenue (Location 15) on April 22, 2010, from 14:46 14:49. This image shows emissions from a hatch on a condensate storage tank at the XTO L&S Land A1 and A2 well lease located at 3291 NW Loop 820. Image collected by Clayton Holbrook. FWFS1004(9B) - Image recorded in Forth Worth from 38 th Street, approximately 0.1 mile east of North Main Street (Location 16) on April 22, 2010, from 17:27 17:29. This image shows emissions from a hatch on a condensate storage tank at the XTO Slaughter Heights Unit 1H well lease located at 291 NE 38 th Street. Image collected by Clayton Holbrook. Page 3

23 ATTACHMENT 3 CANISTER SAMPLE RESULTS

24 Lab ACL Number Lab Sample ID MRT Sample Number Sample Date Sample Time Sample Location a General Sample Attachment 3 Canister Volatile Organic Compound City of Fort Worth Follow-Up Survey Project April 19-23, FWFS FWFS FWFS FWFS /21/10 4/21/10 4/21/10 4/21/10 12:07-12:37 15:41-16:11 15:41-16:11 12:07-12: Upwind of CD Consulting & Operating Co. Pent Lease Downwind of Barnett Gathering LP Saginaw Compressor Station Upwind of Barnett Gathering LP Saginaw Compressor Station Downwind of CD Consulting & Operating Co. Pent Lease Compound Name ppbv Flag* SDL ethane 9.2 D1,T D2,T T.D D2,T 1.0 ethylene 0.33 J,D1,T 1.0 ND D2,T 1.0 ND T,D2 1.0 ND D2,T 1.0 acetylene ND D1,T J,D2,T 1.0 ND T,D J,D2,T 1.0 propane 3.2 D1,T D2,T L,T,D D2,T 1.0 propylene ND D1,T 1.0 ND D2,T 1.0 ND T,D J,D2,T 1.0 dichlorodifluoromethane 0.57 L,D L,D L,D L,D methyl chloride 0.64 L,D L,D L,D L,D isobutane 0.74 L,D L,D J,D L,D vinyl chloride ND D ND D ND D ND D butene 0.22 J,D J,D ND D J,D ,3-butadiene ND D ND D ND D ND D n-butane 0.95 L,D L,D ND D L,D t-2-butene ND D ND D ND D ND D bromomethane ND D ND D ND D ND D c-2-butene ND D ND D ND D ND D methyl-1-butene ND D ND D ND D ND D isopentane 0.32 J,D J,D ND D L,D trichlorofluoromethane 0.26 J,D J,D J,D J,D pentene ND D ND D ND D ND D n-pentane 0.19 J,D J,D ND D L,D isoprene 0.20 J,D J,D ND D L,D t-2-pentene ND D ND D ND D ND D ,1-dichloroethylene ND D ND D ND D ND D c-2-pentene ND D ND D ND D ND D methylene chloride 0.09 J,D J,D ND D J,D methyl-2-butene ND D J,D ND D J,D ,2-dimethylbutane 0.02 J,D J,D ND D J,D cyclopentene ND D ND D ND D ND D Page 1

25 Attachment 3 (continued) Lab ACL Number Lab Sample ID MRT Sample Number Sample Date Sample Time Sample Location a FWFS FWFS FWFS FWFS /21/10 4/21/10 4/21/10 4/21/10 12:07-12:37 15:41-16:11 15:41-16:11 12:07-12: General Sample Upwind of CD Consulting & Operating Co. Pent Lease Downwind of Barnett Gathering LP Saginaw Compressor Station Upwind of Barnett Gathering LP Saginaw Compressor Station Downwind of CD Consulting & Operating Co. Pent Lease Compound Name ppbv Flag* SDL 4-methyl-1-pentene ND D ND D ND D ND D ,1-dichloroethane ND D ND D ND D ND D cyclopentane ND D ND D ND D J,D ,3-dimethylbutane ND D ND D ND D J,D methylpentane 0.06 J,D J,D ND D L,D methylpentane ND D J,D ND D L,D methyl-1-pentene + 1-hexene ND D ND D J,D ND D n-hexane 0.08 J,D ND D ND D L,D chloroform 0.02 J,D J,D ND D ND D t-2-hexene ND D ND D ND D ND D c-2-hexene ND D ND D ND D ND D ,2-dichloroethane ND D ND D ND D ND D methylcyclopentane 0.02 J,D J,D ND D L,D ,4-dimethylpentane ND D ND D ND D J,D ,1,1-trichloroethane ND D ND D ND D ND D benzene 0.21 J,D J,D J,D J,D carbon tetrachloride 0.10 J,D J,D J,D2,A J,D cyclohexane ND D ND D ND D L,D methylhexane ND D ND D ND D J,D ,3-dimethylpentane ND D ND D ND D ND D methylhexane 0.03 J,D J,D ND D L,D ,2-dichloropropane ND D ND D ND D ND D trichloroethylene ND D ND D ND D ND D ,2,4-trimethylpentane ND D J,D ND D J,D chloropentane ND D ND D ND D ND D n-heptane 0.03 J,D J,D ND D L,D c-1,3-dichloropropylene ND D ND D ND D ND D methylcyclohexane ND D ND D ND D D Page 2

26 Attachment 3 (continued) Lab ACL Number Lab Sample ID MRT Sample Number Sample Date Sample Time Sample Location a FWFS FWFS FWFS FWFS /21/10 4/21/10 4/21/10 4/21/10 12:07-12:37 15:41-16:11 15:41-16:11 12:07-12: General Sample Upwind of CD Consulting & Operating Co. Pent Lease Downwind of Barnett Gathering LP Saginaw Compressor Station Upwind of Barnett Gathering LP Saginaw Compressor Station Downwind of CD Consulting & Operating Co. Pent Lease Compound Name ppbv Flag* SDL t-1,3-dichloropropylene ND D ND D ND D ND D ,1,2-trichloroethane ND D ND D ND D ND D ,3,4-trimethylpentane ND D ND D ND D J,D toluene 0.15 J,D J,D J,D L,D methylheptane ND D ND D ND D J,D methylheptane ND D J,D ND D J,D ,2-dibromoethane ND D ND D ND D ND D n-octane 0.02 J,D J,D ND D L,D tetrachloroethylene 0.01 J,D J,D ND D J,D chlorobenzene ND D ND D ND D ND D ethylbenzene ND D J,D J,D J,D m & p-xylene 0.06 J,D J,D J,D J,D styrene ND D ND D ND D ND D ,1,2,2-tetrachloroethane ND D ND D ND D ND D o-xylene ND D J,D ND D J,D n-nonane ND D ND D ND D L,D isopropylbenzene ND D ND D ND D J,D n-propylbenzene ND D ND D ND D J,D m-ethyltoluene ND D J,D ND D J,D p-ethyltoluene ND D ND D ND D J,D ,3,5-trimethylbenzene ND D J,D ND D J,D o-ethyltoluene ND D ND D ND D J,D ,2,4-trimethylbenzene ND D J,D ND D J,D n-decane ND D ND D ND D J,D ,2,3-trimethylbenzene ND D ND D ND D ND D m-diethylbenzene ND D ND D ND D ND D p-diethylbenzene ND D ND D ND D ND D n-undecane ND D J,D ND D J,D Total Analyzed Concentrations Page 3

27 Attachment 3 (continued) Lab ACL Number Lab Sample ID MRT Sample Number Sample Date Sample Time Sample Location a General Sample Compound Name ethane ethylene acetylene propane propylene dichlorodifluoromethane methyl chloride isobutane vinyl chloride 1-butene 1,3-butadiene n-butane t-2-butene bromomethane c-2-butene 3-methyl-1-butene isopentane trichlorofluoromethane 1-pentene n-pentane isoprene t-2-pentene 1,1-dichloroethylene c-2-pentene methylene chloride 2-methyl-2-butene 2,2-dimethylbutane cyclopentene FWFS FWFS FWFS FWFS /22/10 4/21/10 4/21/10 4/21/10 09:10 17:51-18:21 17:29 17:51-18: Airshed Downwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station Upwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station Upwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station ppbv Flag* SDL 7.5 T,D ,100 T,D T T,D J,T,D L,T,D J,T 0.50 ND T,D8 1.0 ND T,D3 1.0 ND T,D J,T 0.50 ND T,D L,T,D T,D T L,T,D8 1.0 ND T,D3 1.0 ND T,D1 1.0 ND T 0.50 ND T,D L,D L,D L L,D L,D L,D L L,D L,D D L J,D ND D ND D ND 0.17 ND D ND D ND D J 0.20 ND D ND D ND D ND 0.27 ND D L,D D L 0.20 ND D ND D ND D ND 0.18 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.23 ND D ND D L,D J 0.27 ND D J,D J,D J J,D ND D ND D ND 0.27 ND D ND D ND D J 0.27 ND D ND D ND D J 0.27 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.18 ND D ND D ND D ND 0.25 ND D ND D ND D J 0.14 ND D ND D ND D ND 0.23 ND D ND D ND D J 0.21 ND D ND D ND D ND 0.20 ND D Page 4

28 Attachment 3 (continued) Lab ACL Number Lab Sample ID MRT Sample Number Sample Date Sample Time Sample Location a General Sample Compound Name 4-methyl-1-pentene 1,1-dichloroethane cyclopentane 2,3-dimethylbutane 2-methylpentane 3-methylpentane 2-methyl-1-pentene + 1-hexene n-hexane chloroform t-2-hexene c-2-hexene 1,2-dichloroethane methylcyclopentane 2,4-dimethylpentane 1,1,1-trichloroethane benzene carbon tetrachloride cyclohexane 2-methylhexane 2,3-dimethylpentane 3-methylhexane 1,2-dichloropropane trichloroethylene 2,2,4-trimethylpentane 2-chloropentane n-heptane c-1,3-dichloropropylene methylcyclohexane FWFS FWFS FWFS FWFS /22/10 4/21/10 4/21/10 4/21/10 09:10 17:51-18:21 17:29 17:51-18: Airshed Downwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station Upwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station Upwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station ppbv Flag* SDL ND D ND D ND 0.22 ND D ND D ND D ND 0.19 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.28 ND D ND D ND D J 0.27 ND D ND D ND D ND 0.23 ND D ND D ND D ND 0.20 ND D ND D ND D ND 0.20 ND D ND D ND D J 0.21 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.27 ND D ND D ND D J 0.27 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.26 ND D J,D D J J,D J,D3,A J,D1,A J J,D8,A ND D J,D ND 0.24 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.26 ND D ND D ND D J 0.20 ND D ND D ND D ND 0.17 ND D ND D ND D ND 0.29 ND D ND D ND D J 0.24 ND D ND D ND D ND 0.27 ND D ND D ND D J 0.25 ND D ND D ND D ND 0.20 ND D ND D J,D ND 0.26 ND D Page 5

29 Attachment 3 (continued) Lab ACL Number Lab Sample ID MRT Sample Number Sample Date Sample Time Sample Location a General Sample Compound Name t-1,3-dichloropropylene 1,1,2-trichloroethane 2,3,4-trimethylpentane toluene 2-methylheptane 3-methylheptane 1,2-dibromoethane n-octane tetrachloroethylene chlorobenzene ethylbenzene m & p-xylene styrene 1,1,2,2-tetrachloroethane o-xylene n-nonane isopropylbenzene n-propylbenzene m-ethyltoluene p-ethyltoluene 1,3,5-trimethylbenzene o-ethyltoluene 1,2,4-trimethylbenzene n-decane 1,2,3-trimethylbenzene m-diethylbenzene p-diethylbenzene n-undecane Total Analyzed Concentrations FWFS FWFS FWFS FWFS /22/10 4/21/10 4/21/10 4/21/10 09:10 17:51-18:21 17:29 17:51-18: Airshed Downwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station Upwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station Upwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station ppbv Flag* SDL ND D ND D ND 0.20 ND D ND D ND D ND 0.21 ND D ND D ND D J 0.24 ND D J,D D J J,D ND D ND D ND 0.20 ND D ND D ND D J 0.23 ND D ND D ND D ND 0.20 ND D ND D ND D J 0.19 ND D ND D ND D J 0.24 ND D ND D ND D ND 0.27 ND D J,D J,D J J,D J,D J,D J J,D ND D ND D ND 0.27 ND D ND D ND D ND 0.20 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.22 ND D ND D ND D ND 0.24 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.11 ND D ND D ND D ND 0.16 ND D ND D J,D ND 0.25 ND D ND D ND D ND 0.13 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.27 ND D ND D ND D ND 0.27 ND D ND D ND D J 0.27 ND D , Page 6

30 Attachment 3 (continued) Lab ACL Number Lab Sample ID MRT Sample Number Sample Date Sample Time Sample Location a General Sample Compound Name ethane ethylene acetylene propane propylene dichlorodifluoromethane methyl chloride isobutane vinyl chloride 1-butene 1,3-butadiene n-butane t-2-butene bromomethane c-2-butene 3-methyl-1-butene isopentane trichlorofluoromethane 1-pentene n-pentane isoprene t-2-pentene 1,1-dichloroethylene c-2-pentene methylene chloride 2-methyl-2-butene 2,2-dimethylbutane cyclopentene FWFS FWFS FWFS FWFS /22/10 4/21/10 4/21/10 4/21/10 10:22 11:03-11:33 11:03-11:33 17: Downwind of Encana Oil & Gas DAB Well 5H and Compressor Station Upwind of Operating, Inc. Harbinson Fisher Compressor Station Downwind of Operating, Inc. Harbinson Fisher Compressor Station Downwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station ppbv Flag* SDL 720 D4,T T,D D3,T 1.0 2,000 D7,T D4,T 4.5 ND T,D J,D3,T 1.0 ND D6,T 4.5 ND D4,T 4.5 ND T,D D3,T 1.0 ND D6,T D4,T L,T,D D3,T D6,T 4.5 ND D4,T 4.5 ND T,D3 1.0 ND D3,T 1.0 ND D6,T J,D L,D L,D J,D J,D L,D L,D J,D D L,D L,D L,D6 2.1 ND D4 1.5 ND D ND D ND D J,D4 1.8 ND D J,D J,D6 1.8 ND D4 2.5 ND D ND D ND D D L,D L,D L,D6 1.8 ND D4 1.6 ND D ND D ND D6 1.6 ND D4,A1 2.5 ND D ND D ND D6,A1 2.4 ND D4 2.5 ND D ND D ND D6 2.4 ND D4 2.1 ND D ND D ND D D4 2.5 ND D J,D J,D6 2.4 ND D J,D J,D ND D6 2.6 ND D4 2.5 ND D ND D ND D D4 2.5 ND D J,D J,D6 2.4 ND D4 2.5 ND D ND D ND D6 2.4 ND D4 2.5 ND D ND D ND D6 2.4 ND D4 1.6 ND D ND D ND D6 1.6 ND D4 2.3 ND D ND D ND D J,D4 1.3 ND D J,D ND D6 1.3 ND D4 2.1 ND D ND D ND D J,D4 1.9 ND D ND D ND D6 1.9 ND D4 1.8 ND D ND D ND D6 1.8 Page 7

31 Attachment 3 (continued) Lab ACL Number Lab Sample ID MRT Sample Number Sample Date Sample Time Sample Location a General Sample Compound Name 4-methyl-1-pentene 1,1-dichloroethane cyclopentane 2,3-dimethylbutane 2-methylpentane 3-methylpentane 2-methyl-1-pentene + 1-hexene n-hexane chloroform t-2-hexene c-2-hexene 1,2-dichloroethane methylcyclopentane 2,4-dimethylpentane 1,1,1-trichloroethane benzene carbon tetrachloride cyclohexane 2-methylhexane 2,3-dimethylpentane 3-methylhexane 1,2-dichloropropane trichloroethylene 2,2,4-trimethylpentane 2-chloropentane n-heptane c-1,3-dichloropropylene methylcyclohexane FWFS FWFS FWFS FWFS /22/10 4/21/10 4/21/10 4/21/10 10:22 11:03-11:33 11:03-11:33 17: Downwind of Encana Oil & Gas DAB Well 5H and Compressor Station Upwind of Operating, Inc. Harbinson Fisher Compressor Station Downwind of Operating, Inc. Harbinson Fisher Compressor Station Downwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station ppbv Flag* SDL ND D4 2.0 ND D ND D ND D6 2.0 ND D4 1.7 ND D ND D ND D J,D4 2.5 ND D ND D ND D J,D4 2.5 ND D ND D ND D D4 2.5 ND D J,D J,D D4 2.1 ND D J,D J,D6 2.1 ND D4 1.8 ND D ND D ND D D4 1.8 ND D ND D ND D6 1.8 ND D4 1.9 ND D J,D ND D6 1.9 ND D4 2.5 ND D ND D ND D6 2.4 ND D4 2.5 ND D ND D ND D6 2.4 ND D4 2.5 ND D ND D ND D D4 2.5 ND D ND D ND D J,D4 2.5 ND D ND D ND D6 2.4 ND D4 2.4 ND D ND D ND D J,D J,D L,D D J,D J,D3,A J,D ND D D4 2.2 ND D ND D ND D D4 2.5 ND D ND D ND D J,D4 2.4 ND D ND D ND D D4 1.8 ND D J,D ND D6 1.8 ND D4 1.5 ND D ND D ND D6 1.5 ND D4 2.6 ND D ND D ND D6 2.6 ND D4 2.2 ND D J,D ND D6 2.2 ND D4 2.5 ND D ND D ND D D4 2.3 ND D J,D ND D6 2.3 ND D4 1.8 ND D ND D ND D D4 2.4 ND D ND D ND D6 2.3 Page 8

32 Attachment 3 (continued) Lab ACL Number Lab Sample ID MRT Sample Number Sample Date Sample Time Sample Location a General Sample Compound Name t-1,3-dichloropropylene 1,1,2-trichloroethane 2,3,4-trimethylpentane toluene 2-methylheptane 3-methylheptane 1,2-dibromoethane n-octane tetrachloroethylene chlorobenzene ethylbenzene m & p-xylene styrene 1,1,2,2-tetrachloroethane o-xylene n-nonane isopropylbenzene n-propylbenzene m-ethyltoluene p-ethyltoluene 1,3,5-trimethylbenzene o-ethyltoluene 1,2,4-trimethylbenzene n-decane 1,2,3-trimethylbenzene m-diethylbenzene p-diethylbenzene n-undecane Total Analyzed Concentrations FWFS FWFS FWFS FWFS /22/10 4/21/10 4/21/10 4/21/10 10:22 11:03-11:33 11:03-11:33 17: Downwind of Encana Oil & Gas DAB Well 5H and Compressor Station Upwind of Operating, Inc. Harbinson Fisher Compressor Station Downwind of Operating, Inc. Harbinson Fisher Compressor Station Downwind of Cheaspeake /Texas Midstream Gas Services, S&B Compressor Station ppbv Flag* SDL ND D4 1.8 ND D ND D ND D6 1.8 ND D4 1.9 ND D ND D ND D6 1.9 ND D4 2.2 ND D ND D ND D L,D J,D J,D L,D L,D4 1.8 ND D ND D ND D J,D4 2.1 ND D ND D ND D6 2.1 ND D4 1.8 ND D ND D ND D L,D4 1.7 ND D ND D ND D6 1.7 ND D4 2.2 ND D J,D ND D6 2.2 ND D4 2.5 ND D ND D ND D J,D J,D J,D J,D J,D J,D J,D J,D6 2.4 ND D4 2.5 ND D ND D ND D6 2.4 ND D4 1.8 ND D ND D ND D J,D4 2.5 ND D J,D J,D J,D4 2.0 ND D ND D ND D6 2.0 ND D4 2.2 ND D ND D ND D6 2.2 ND D4 2.5 ND D ND D ND D6 2.4 ND D4 1.0 ND D ND D ND D ND D4 1.5 ND D ND D ND D J,D4 2.3 ND D ND D ND D6 2.3 ND D4 1.2 ND D ND D ND D J,D4 2.5 ND D J,D ND D J,D4 2.5 ND D ND D ND D6 2.4 ND D4 2.5 ND D ND D ND D6 2.4 ND D4 2.5 ND D ND D ND D6 2.4 ND D4 2.5 ND D ND D ND D J,D4 2.5 ND D ND D J,D , ,100 Page 9

33 Attachment 3 (continued) Footnotes: *Flag numbering not sequential due to laboratory reporting procedure. a See Sample Locations List and Maps for site location information. J = reported concentration is below the SDL. L = reported concentration is greater than or equal to the SDL but less than the LOQ. LOD = limit of detection. LOQ = limit of quantitation. MRT = Mobile Response Team. ND = not detected. ppbv = parts per billion by volume. SDL = sample detection limit (LOD adjusted for dilutions). T = data was not confirmed by a confirmational analysis. is tentatively identified. D1 = sample was calculated using a dilution factor of D2 = sample was calculated using a dilution factor of D3 = sample was calculated using a dilution factor of D4 = sample was calculated using a dilution factor of D6 = sample was calculated using a dilution factor of D7 = sample was calculated using a dilution factor of D8 = sample was calculated using a dilution factor of D9 = sample was calculated using a dilution factor of Quality Control (QC) notes for samples , , , , and A1 = not all associated QC data met the accuracy specification. may be an average 32% high with a range of +29% to +38%. QC notes for sample A1 = not all associated QC data met the accuracy specification. may be an average 20% high with a range of +1% to +31%. QC notes for sample A1 = not all associated QC data met the accuracy specification. may be an average 21% with range of +1% to +31%. Page 10