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Home My WebLink About2019 1st Qtr 3611361 236 LEGEND TDBMF!JO!GFFU GAS MONITORING WELLS +OPUF;!XFMM!TZNCPMT!OPU!UP!TDBMF SOUTHOLD LANDFILL CUTCHOGUE, NEW YORK LANDFILL GAS MONITORING WELL FIGURE No. 1 LOCATION MAP G;\]4286\]4286.Xfmmt/exh-!Gjhvsf!2-!203103126!4;16;19!QN-!ecdbee TABLE 1 TOWN OF SOUTHOLD LANDFILL LANDFILL GAS MONITORING PROGRAM FIRST QUARTER 2019 MONITORING EVENT Sampling Date: March 13,2019 Parameter Unit GMW-1 GMW-2 GMW-3 GMW-4 GMW-5 GMW-6R GMW-7 GMW-8 GMW-9 GMW-10 GMW-11 GMW-12 GMW-13 GMW-14 GMW-15 Temperature 0C 1.1 2.8 6.2 3.2 20.3 11.9 4.2 10.7 18.7 20.2 21.2 11.8 11.6 13.3 9.3 Oxygen % 20.6 21.7 22.3 22.2 20.8 21.0 21.2 21.6 21.4 21.8 20.2 19.5 20.9 21.7 22.2 Carbon Monoxide ppm 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Lower Explosive Limit- Methane % 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Hydrogen Sulfide ppm 1 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 NOTES: Typical atmospheric levels of oxygen range between 19.5%and 23.5% °C = Degrees Celsius %=Percent ppm =Parts Per Million J:LHazWaste\3753(Southold Landfill)\Gas Monitoring\019 1Q\Southold Landfill-Landfill gas nnonitonng 1Q2019 Page 1 of 1