2023
Conventional Fossil Fuel Extraction, Associated Biogeochemical Processes, and Topography Influence Methane Groundwater Concentrations in Appalachia
Li Y, Siegel H, Thelemaque N, Bailey K, Moncrieffe P, Nguyen T, Clark C, Johnson N, Soriano M, Deziel N, Saiers J, Plata D. Conventional Fossil Fuel Extraction, Associated Biogeochemical Processes, and Topography Influence Methane Groundwater Concentrations in Appalachia. Environmental Science And Technology 2023, 57: 19702-19712. PMID: 37982799, DOI: 10.1021/acs.est.3c01862.Peer-Reviewed Original Research
2022
Groundwaters in Northeastern Pennsylvania near intense hydraulic fracturing activities exhibit few organic chemical impacts
Xiong B, Soriano MA, Gutchess KM, Hoffman N, Clark CJ, Siegel HG, De Vera GAD, Li Y, Brenneis RJ, Cox AJ, Ryan EC, Sumner AJ, Deziel NC, Saiers JE, Plata DL. Groundwaters in Northeastern Pennsylvania near intense hydraulic fracturing activities exhibit few organic chemical impacts. Environmental Science Processes & Impacts 2022, 24: 252-264. PMID: 35018906, PMCID: PMC11094648, DOI: 10.1039/d1em00124h.Peer-Reviewed Original ResearchConceptsOrganic compoundsInorganic speciesAnthropogenic organic chemicalsBis-2-ethylhexyl phthalateSemi-volatile compoundsUnited States Environmental Protection Agency's Maximum Contaminant LevelOrganic contaminantsOrganic chemicalsEnvironmental Protection Agency maximum contaminant levelOrganic contaminationVolatility rangeMaximum contaminant levelCompoundsChemical impactContaminant levels
2021
Groundwater Methane in Northeastern Pennsylvania Attributable to Thermogenic Sources and Hydrogeomorphologic Migration Pathways
Li Y, Thelemaque NA, Siegel HG, Clark CJ, Ryan EC, Brenneis RJ, Gutchess KM, Soriano MA, Xiong B, Deziel NC, Saiers JE, Plata DL. Groundwater Methane in Northeastern Pennsylvania Attributable to Thermogenic Sources and Hydrogeomorphologic Migration Pathways. Environmental Science And Technology 2021, 55: 16413-16422. PMID: 34874708, DOI: 10.1021/acs.est.1c05272.Peer-Reviewed Original ResearchConceptsMethane levelsGroundwater methaneGroundwater aquifersNortheastern PennsylvaniaElevated methane levelsBasin brinesThermogenic methaneThermogenic sourceGroundwater samplesHydrocarbon signaturesWater typesDomestic wellsMethane measurementsMigration pathwaysMethane transportMethane concentrationMarcellus ShaleUnconventional oilGeospatial metricsUOG developmentElevated concentrationsGas developmentSystematic increaseAquiferMethane