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HomeMy WebLinkAbout1202_BurkeCountyEast_LFGMethaneExceedance_DIN26846_20160824 2211 West Meadowview Rd. Greensboro, NC 27407 tel: 336/323-0092 fax: 336/323-0093 www.JoyceEngineering.com August 24, 2016 Mr. Chris Hollifield Burke County General Services Director/County Engineer P.O. Box 219 Morganton, NC 28680 RE: Burke County, East Burke Landfill, Permit Number 12-02 Landfill Gas Monitoring Report – Third Quarter 2016 JOYCE Project No. 277.1601.12, Task 04 Dear Mr. Hollifield; The purpose of this letter is to provide you with the results for the third quarter 2016 landfill gas monitoring event at the closed East Burke Landfill. This was the fifth landfill gas monitoring event for this facility. Gas probes GP-1, GP-2, GP-3, GP-4, GP-5, and GP-6, which were installed in June 2015, were monitored on May 19, 2016. During the August 2016 monitoring event, methane was detected above the lower explosive limit (LEL) in gas probes GP-1, GP-3, and GP-4. No exceedances were recorded for any of the other probes. These results are consistent with previous results. Tables 1 and 2 summarize the methane detections and exceedances for this event, and the attached Landfill Gas Monitoring Log presents the more detailed results. A site map showing the gas probe locations is also attached. We have included an EMRF and will forward a copy of this report to Jaclynne Drummond with the NCDEQ Solid Waste Section. This report should be added to the facility’s records. A Landfill Gas Remediation Plan for this facility was submitted on September 14, 2015, and was approved on September 18, 2015. As proposed, the three passive landfill gas vents were installed on the site on May 19, 2016. A replacement probe for GP-1, GP-1B, was installed on June 28, 2016. Due to an oversight GP-1B was not monitored on August 23; however, it will be monitored in the near future. The next quarterly monitoring event is tentatively scheduled for December 2016. If we can provide any additional information, please do not hesitate to call me at (336) 323-0092. Sincerely, JOYCE ENGINEERING Van Burbach, Ph.D., P.G. Sr. Technical Consultant Attachments cc: Jaclynne Drummond, NCDEQ Permit # 12-02 LFG Probe CH4 (%Vol.) CH4 (%LEL) GP-1 21.3 426 GP-3 41.9 838 GP-4 55.4 1108 LFG Probe CH4 (%Vol.) CH4 (%LEL) GP-1 21.3 426 GP-3 41.9 838 GP-4 55.4 1108 CH4 = Methane %Vol. = Concentration in pecent-by-volume. %LEL = Concentration as a percent of the LEL. LEL = Lower Explosive Limit = 5%Vol. Table 2: Methane Exceedances -August 23, 2016 Table 1: Methane Detections - August 23, 2016 Burke Co. - East Burke Landfill Burke Co., East Burke Landfill Permit # 12-02 Joyce Engineering Landfill Gas Monitoring Data Form Facility Name:East Burke Landfill, Burke County Permit Number:12-02 Date of Sampling: Personnel: G. Eller / JOYCE Gas Monitor Type & Serial Number:GEM 2000 (SN 08551\06)Calibration Date: Field Calibration Date & Time: Calibration Gas: 15% Vol. CH4, exp. 6-18 General Weather Conditions: Sunny 80's Barometer : GP-1 Y 0857 +0.6 60 21.3 426 100 GP-2 Y 0821 +0.3 60 0.0 0 100 GP-3 Y 0817 +0.4 60 41.9 838 100 GP-4 Y 0828 +0.6 60 55.4 1108 100 GP-5 Y 0834 +0.5 60 0.0 0 100 GP-6 Y 0840 -0.1 60 0.0 0 100 Abbreviations: GP = Gas Probe.CH4 = Methane. In-Wg = Inches of water column.LEL = Lower Explosive Limit. In-Hg = Inches of mercury.(LEL for methane = 5%Vol. at standard temperature & pressure.) NOTE: This was the fifth monitoring event for these probes, which were installed in June 2015. Time Pumped (sec.) CH4 Limit (%LEL) Jan-16 29.09 In-Hg 8/23/2016 6:50 CH4 (%LEL)Notes August 23, 2016 Location or LFG Well ID Instr. Purged? Probe Pressure (In-Wg) CH4 (%Vol.)Time