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Byong Wook Cho and Chang Oh Choo
Uranium concentrations (a total of 82 samples) in groundwater in Icheon, middle Korea, showed a wide range from 0.02 to 1640 µg/L with a mean of 56.77 µg/L, a median of 3.03 µg/L, and a standard deviation of 228.63 µg/L. Most groundwater samples had quit...
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Simona Pascariello, Michela Mazzoni, Roberta Bettinetti, Marina Manca, Martina Patelli, Roberta Piscia, Sara Valsecchi and Stefano Polesello
Zooplankton is a key node in many trophic webs, both for food that for persistent organic contaminants that can accumulate in biota. Zooplankton of different size was seasonally sampled for two years in three deep Italian subalpine lakes (Maggiore, Como,...
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Long Chen, Feng Li, Wenrou Huang, Zhi Li and Mingguang Chen
A large fraction of mercury contaminant in the environment is from industrial production, and it potentially impairs human health once entering the food chain. Millions of people reside in the Pearl River Delta region, and water quality in the estuary di...
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Richard A. Falk, Ernest R. Blatchley III, Thomas C. Kuechler, Ellen M. Meyer, Stanley R. Pickens and Laura M. Suppes
Current regulatory codes for swimming pool disinfection separately regulate free chlorine (FC) and cyanuric acid (CYA). It is well-known that CYA affects disinfection rates by reversibly binding to FC in aqueous solutions. However, limits for these regul...
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Karin Gallandat, David Stack, Gabrielle String and Daniele Lantagne
Sodium hypochlorite (NaOCl) and sodium dichloroisocyanurate (NaDCC) are commonly used for household water treatment (HWT); chlorine dioxide (ClO2) is a potential new HWT option. We compared the residual maintenance of NaOCl, NaDCC, and ClO2 over 24 hours...
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Rifaat Abdel Wahaab, Ahmed Salah and Thomas Grischek
To meet the increasing water demand and to provide safe drinking water in Egypt, the Holding Company for Water and Wastewater (HCWW) and its affiliated companies have started a program to develop riverbank filtration (RBF) sites in all Egyptian governora...
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S. Johana Grajales-Mesa and Grzegorz Malina
This study evaluates, under field conditions, the efficiency of a permeable reactive barrier (PRB) with compost and brown coal to remove trichloroethylene (TCE) (109 µg/L) from contaminated groundwater. Three stainless steel boxes (1.2 × 0.5 × 0.5 m) wit...
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Rui Huang, Qinghe Zhang, Pengfei Qi and Weiwei Liu
A set of miniature optical fiber particle concentration measuring instruments is designed and applied to develop a unified expression for the concentration measurement of uniform particles in tap water. By measuring the concentrations of six uniform sili...
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Carla Escapa, Ricardo N. Coimbra, Teresa Neuparth, Tiago Torres, Miguel M. Santos and Marta Otero
In this work, zebrafish embryo bioassays were performed to assess the efficiency of microalgae in the removal of acetaminophen from water. Chlorella sorokiniana (CS), Chlorella vulgaris (CV) and Scenedesmus obliquus (SO) were the strains used for water t...
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Emilio Grande, Ate Visser, Pamela Beitz and Jean Moran
Water bodies in the East Bay Regional Park District (EBRPD), California, United States, provide aesthetic value and critical ecosystem services, but are often adversely affected by the activities and infrastructure of the intensely urban environment that...
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