Experimental field evidence for transport of microplastic tracers over large distances in an alluvial aquifer

Alimi, 2018, Microplastics and nanoplastics in aquatic environments: aggregation, deposition, and enhanced contaminant transport, Env. Sci. Technol., 52, 1704, 10.1021/acs.est.7b05559 Bales, 1995, Virus and bacteria transport in a sandy aquifer, Cape Cod, MA, Groundwater, 33, 653, 10.1111/j.1745-6584.1995.tb00321.x Bales, 1997, Bacteriophage and microsphere transport in saturated porous media: forced-gradient experiment at Borden, Ontario, Water Resour. Res., 33, 639, 10.1029/97WR00025 Barcelo, 2019, Microplastics in the global aquatic environment: analysis, effects, remediation and policy solutions, J. Environ. Chem. Eng., 7, 10.1016/j.jece.2019.103421 Barnes, 2009, Accumulation and fragmentation of plastic debris in global environments, Philos. Trans. R. Soc. B, 364, 1985, 10.1098/rstb.2008.0205 Bradley, 2018, Reconnaissance of mixed organic and inorganic chemicals in private and public supply tapwaters at selected residential and workplace sites in the United States, Environ. Sci. Technol., 53, 13972, 10.1021/acs.est.8b04622 De Carvalho Dill, 1992, Porous aquifer – test site Merdingen (Germany), Steir. Beitr. Z. Hydrogeol., 43, 251 Chae, 2018, Current research trends on plastic pollution and ecological impacts on the soil ecosystem: a review, Environ. Pollut., 240, 387, 10.1016/j.envpol.2018.05.008 Da Costa, 2016, (Nano)plastics in the environment – sources, fates and effects, Sci. Total Environ., 566–567, 15, 10.1016/j.scitotenv.2016.05.041 Diaz, 2010, Straining phenomena in bacteria transport through natural porous media, Environ. Sci. Pollut. Res., 17, 400, 10.1007/s11356-009-0160-2 DIN 38402-51, 2017. German standard methods for the examination of water, waste water and sludge – General information (group A) – Calibration of analytical methods – Linear calibration, Beuth Verlag GmbH. Eerkes-Medrano, 2015, Microplastics in freshwater systems: a review of the emerging threats, identification of knowledge gaps and prioritization of research needs, Water Res., 75, 63, 10.1016/j.watres.2015.02.012 Field, 2000, A two-region nonequilibrium model for solute transport in solution conduits in karstic aquifers, J. Contam. Hydrol., 44, 329, 10.1016/S0169-7722(00)00099-1 Furlong, 2017, Nationwide reconnaissance of contaminants of emerging concern in source and treated drinking waters of the United States: pharmaceuticals, Sci. Total Environ., 579, 1629, 10.1016/j.scitotenv.2016.03.128 Glassmeyer, 2017, Nationwide reconnaissance of contaminants of emerging concern in source and treated drinking waters of the United States, Sci. Total Environ., 581–582, 909, 10.1016/j.scitotenv.2016.12.004 Goeppert, 2008, Solute and colloid transport in karst conduits under low- and high-flow conditions, Groundwater, 46, 61, 10.1111/j.1745-6584.2007.00373.x Goeppert, 2011, Transport and variability of fecal bacteria in carbonate conglomerate aquifers, Groundwater, 49, 77, 10.1111/j.1745-6584.2010.00741.x Goeppert, 2019, Improved understanding of particle transport in karst groundwater using natural sediments as tracers, Water Res., 166, 10.1016/j.watres.2019.115045 Goeppert, 2010, Precise method for continuous measurement of fluorescent microspheres during flow, Hydrogeol. J., 18, 317, 10.1007/s10040-009-0517-0 Goldscheider, 2007 Grolimund, 1998, Transport of in situ mobilized colloidal particles in packed soil columns, Environ. Sci. Technol., 32, 3562, 10.1021/es980356z Harvey, 1989, Transport of microspheres and indigenous bacteria through a sandy aquifer: results of natural– and forced gradient tracer experiments, Environ. Sci. Technol., 23, 51, 10.1021/es00178a005 Harvey, 1995, Transport behaviour of groundwater protozoa and protozoan–sized microspheres in sandy aquifer sediments, Appl. Environ. Microbiol., 61, 209, 10.1128/AEM.61.1.209-217.1995 Harvey, 1993, Role of physical heterogeneity in the interpretation of small–scale laboratory and field observations of bacteria, microbial–sized microsphere, and bromide transport through aquifer sediments, Water Resour. Res., 29, 2713, 10.1029/93WR00963 Heberer, 2004, Field studies on the fate and transport of pharmaceutical residues in bank filtration, Ground Water Monit. Remediat., 24, 70, 10.1111/j.1745-6592.2004.tb00714.x Henzler, 2014, Modeling the fate of organic micropollutants during river bank filtration (Berlin, Germany), J. Contam. Hydrol., 156, 78, 10.1016/j.jconhyd.2013.10.005 Hötzl, H., Göppert, N., 2007. Entwicklung einer optimierten Tracertechnik unter Verwendung von fluoreszierenden Mikrokügelchen zur Bewertung der hygienischen Gefährdung von Grundwässern, Forschungsbericht FZKA-BWPLUS. Karakut, 2019, Dynamics of wastewater effluent contributions in streams and impacts on drinking water supply via riverbank filtration in Germany – a national reconnaissance, Environ. Sci. Technol., 53, 6154, 10.1021/acs.est.8b07216 Käss, 1998 Koelmans, 2019, Microplastics in freshwaters and drinking water: critical review and assessment of data quality, Water Res., 155, 410, 10.1016/j.watres.2019.02.054 Kosuth, 2018, Anthropogenic contamination of tap water, beer, and sea salt, PLoS One, 13, 10.1371/journal.pone.0194970 LfU, 2005 Mani, 2019, Repeated detection of polystyrene microbeads in the lower Rhine River, Environ. Pollut., 245, 634, 10.1016/j.envpol.2018.11.036 Mani, 2020, Seasonal microplastics variation in nival and pluvial stretches of the Rhine River – from the Swiss catchment towards the North Sea, Sci. Total Environ., 707, 10.1016/j.scitotenv.2019.135579 Mani, 2015, Microplastics profile along the Rhine River, Sci. Rep., 5, 17988, 10.1038/srep17988 McCarthy, 2004, Colloid transport in the subsurface: past, present, and future challenges, Vadose Zone J., 3, 326, 10.2136/vzj2004.0326 McKay, 2000, Field-scale migration of colloidal tracers in a fractured shale saprolite, Groundwater, 38, 139, 10.1111/j.1745-6584.2000.tb00211.x Mintenig, 2019, Low numbers of microplastics detected in drinking water from ground water sources, Sci. Total Environ., 648, 631, 10.1016/j.scitotenv.2018.08.178 Morris, B.L., Lawrence, A.R.L., Chilton, P.J.C., Adams, B., Calow, R.C., Klinck, B.A., 2003. Groundwater and its susceptibility to degradation: a global assessment of the problem and options for management. Early warning and assessment report series, RS. 03-3, United Nations Environment Programme, Nairobi, Kenya. Panno, 2019, Microplastic contamination in karst groundwater systems, Groundwater, 57, 189, 10.1111/gwat.12862 Pronk, 2007, Particle–size distribution as indicator for fecal bacteria contamination of drinking water from karst springs, Environ. Sci. Technol., 41, 8400, 10.1021/es071976f Qi, 2020, Behavior of microplastics and plastic film residues in the soil environment: a critical review, Sci. Total Environ., 703, 10.1016/j.scitotenv.2019.134722 Re, 2019, Shedding light on the invisible: addressing the potential for groundwater contamination by plastic microfibers, Hydrogeol. J., 27, 2719, 10.1007/s10040-019-01998-x Regierungspräsidium Freiburg, 2007. Hydrogeologischer Bau und Aquifereigenschaften der Lockergesteine im Oberrheingraben (Baden-Württemberg), LGRB Informationen, Freiburg, 136. Regierungspräsidium Karlsruhe, 2005. EG-Wasserrahmenrichtlinie - Bericht zur Bestandsaufnahme – Bearbeitungsgebiet Oberrhein (baden-württembergischer Teil). Ministerium für Umwelt, Klima und Energiewirtschaft Baden-Württemberg. Rinaudo, 2005, Assessing the cost of groundwater pollution: the case of diffuse agricultural pollution in the Upper Rhine valley aquifer, Water Sci. Technol., 52, 153, 10.2166/wst.2005.0308 Ryan, 1996, Colloid mobilization and transport in groundwater, Colloids Surf. A, 107, 1, 10.1016/0927-7757(95)03384-X Scheurer, 2018, Microplastics in swiss floodplain soils, Environ. Sci. Technol., 52, 3591, 10.1021/acs.est.7b06003 Schiperski, 2016, Transport and attenuation of particles of different density and surface charge: a karst aquifer field study, Environ. Sci. Technol., 50, 8028, 10.1021/acs.est.6b00335 Schymanski, 2018, Analysis of microplastics in water by micro–Raman spectroscopy: release of plastic particles from different packaging into mineral water, Water Res., 129, 154, 10.1016/j.watres.2017.11.011 Sen, 2006, Review on subsurface colloids and colloid–associated contaminant transport in saturated porous media, Adv. Colloid Interface Sci., 119, 71, 10.1016/j.cis.2005.09.001 Statistisches Bundesamt (Destatis), 2019. Umwelt, Öffentliche Wasserversorgung und öffentliche Abwasserentsorgung – Öffentliche Wasserversorgung – Fachserie 19 Reihe 2.1.1. Thompson, 2009, Plastics, the environment and human health: current consensus and future trends, Philos. Trans. R. Soc. B, 364, 2153, 10.1098/rstb.2009.0053 Toride, N., Leij, F.J., van Genuchten, M.T., 1999. The CXTFIT code for estimating transport parameters from laboratory or field tracer experiments. Research Report No. 137 US Salinity Laboratory, USDA, ARS, Riverside, California. Xu, 2019, Microplastics in the soil environment: occurrence, risks, interactions and fate – a review, Crit. Rev. Environ. Sci. Technol., 50, 2175, 10.1080/10643389.2019.1694822 Yao, 1971, Water and waste water filtration: concepts and applications, Environ. Sci. Technol., 5, 1105, 10.1021/es60058a005