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HomeMy WebLinkAbout6601_NorthamptonCoJuneLFG_25915_20150626.pdf S&ME, INC. / 3201 Spring Forest Road / Raleigh, NC 27616 / p 919.872.2660 / f 919.876.3958 / www.smeinc.com June 26, 2015 Solid Waste Section NCDENR - Division of Waste Management 217 West Jones Street Raleigh, North Carolina 27603 Attention: Ms. Christine Ritter via Email: christine.ritter@ncdenr.gov Reference: Methane Monitoring – June 26, 2015 Northampton County Landfill (Permit No. 66-01) Jackson, North Carolina S&ME Project No. 4305-14-248 Dear Ms. Ritter: On behalf of the Northampton Public Works Department, S&ME, Inc. (S&ME) is submitting methane gas monitoring data collected on June 26, 2015 at the Northampton County Landfill located in Jackson, North Carolina. The attached table summarizes the methane readings collected at the Northampton County Landfill. The June 2015 measurements were collected by S&ME personnel in the newly installed on-site permanent methane monitoring wells (MMW-1 through MMW-7) and from within two on-site structures (Northampton County Bus Maintenance Garage and the Facility Storage Building) following Solid Waste Section guidelines and Landfill Gas Monitoring Plan for the Northampton County Landfill. The methane concentrations recorded during the June 26, 2015 monitoring event exceeded the operational limits established for gas control at municipal solid waste landfills by North Carolina Solid Waste Rules [15A NCAC 13B .1626(4)(a)], i.e. methane concentrations were greater than the lower explosive limit (LEL) for methane (5% CH4) at one or more sampling locations. Please call me at (919) 872-2660 if you have any questions regarding this information. Sincerely, S&ME, Inc. Samuel P. Watts, P.G. Senior Project Manager Enclosures: Table 1 – Percent Methane Gas Levels for the Northampton County Landfill NCDENR – Environmental Monitoring Reporting Form NCDENR – Solid Waste Section Landfill Gas Monitoring Data Form Figure 1 – Site Map with Methane Monitoring Locations cc: Mr. Jason Morris - Northampton County Public Works Director M o n i t o r i n g L o c a t i o n M M W - 1 M M W - 2 M M W - 3 M M W - 4 M M W - 5 M M W - 6 M MW - 7 St o r a g e Bu i l d i n g Bus Maintenance Shop Sa m p l e D a t e 12 / 3 0 / 2 0 1 4 (I n i t i a l S c r e e n i n g ) 0 0 0 0 0 0 0 0 0 3/ 2 7 / 2 0 1 5 0 0 0 24 . 2 5 5 . 8 6 . 6 0 0 0 6/ 2 6 / 2 0 1 5 0 0 0 15 . 1 0 0 0 0 0 13 B S t a n d a r d ( % C H 4 ) No t e s : Sh a d e d a n d b o l d e d c e l l s i n d i c a t e m e t h a n e c o n c e n t r a t io n e x c e e d i n g t h e l o w e r e x p l o s i v e l i m i t ( > 5 % M e t h a n e) . Pe r c e n t M e t h a n e ( % C H 4 ) Pe r m a n e n t M e t h a n e M o n i t o r i n g W e l l s & S t r u c t u r e s 5 1.25 S& M E P r o j e c t N o . 4 3 0 5 - 1 4 - 2 4 8 Ta b l e 1 Su m m a r y o f P e r c e n t M e t h a n e ( % C H 4 ) G a s L e v e l s De c e m b e r 2 0 1 4 t h r o u g h J u n e 2 0 1 5 No r t h a m p t i o n C o u n t y L a n d f i l l Ja c k s o n , N o r t h C a r o l i n a &< &<&< &<&< &< &< &< &< &< @? @? @? @? @? @? @? STORAGEBUILDING BUS MAINTENANCESHOP ABOVE GROUNDCOVERED WASTE MMW-7 MMW-6 MMW-5 MMW-4 MMW-3 MMW-2 MMW-1 TW-8 MW-7 MW-6 MW-5 MW-4 MW-3 MW-1 MW-3D MW-2B MW-2A 4957-82-2299 4957-91-2314 4957-90-5314 4 9 5 7 -9 0 -5 3 1 4 FIGURE NO.SCALE: ´ NC ENG. LICENSE #F-01763201 SPRING FOREST RD, RALEIGH, NC 27616 1" = 300' WWW.SMEINC.COM DATE:JUNE 2015DRAWN BY:BTRPROJECT NO: LANDFILL ROAD 4305-14-248 NORTHAMPTON COUNTY LANDFILLJACKSON, NORTH CAROLINA 0 300 600 900Feet Legend @?METHANE MONITOR WELL &<GROUNDWATER MONITOR WELL PARCEL LINES ABOVE GROUND COVERED WASTE APPROXIMATE WASTE BOUNDARY 4957-xx-xxxx PARCEL ID NUMBER METHANE MONITORING WELLLOCATIONS