An article Comparative evaluation of river chemical status based on WFD methodology and CCME water quality index WOS:000579365600112 published article about POLYCYCLIC AROMATIC-HYDROCARBONS; MUNICIPAL WASTE-WATER; LOWER NESTOS RIVER; GROUNDWATER QUALITY; PESTICIDE-RESIDUES; ORGANIC POLLUTANTS; RISK-ASSESSMENT; SURFACE WATERS; HEAVY-METALS; FRAMEWORK in [Gikas, G. D.; Sylaios, G. K.; Boskidis, I] Democritus Univ Thrace, Sch Engn, Dept Environm Engn, Lab Ecol Engn & Technol, Xanthi 67100, Greece; [Tsihrintzis, V. A.] Natl Tech Univ Athens, Ctr Assessment Nat Hazards & Proact Planning, Sch Rural & Surveying Engn, Athens 15780, Greece; [Tsihrintzis, V. A.] Natl Tech Univ Athens, Dept Infrastruct & Rural Dev, Lab Reclamat Works & Water Resources Management, Sch Rural & Surveying Engn, Athens 15780, Greece; [Konstantinou, I. K.; Albanis, T.] Univ Ioannina, Dept Chem, Ioannina 45110, Greece in 2020.0, Cited 87.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Recommanded Product: 101-84-8
The Water Framework Directive (WFD) methodology, proposed by the Ministry of Environment and Energy of Greece (WFD-MEEG), and the Canadian Council of Ministers of Environment Water Quality Index (CCME-WQI) are comparatively applied to evaluate the chemical status of a major transboundary river. Water quality parameters were monitored at 11 sites along the main stream of the river and its main tributaries, and at five sites in the reservoirs, on a monthly frequency, in the period from May 2008 to May 2009. Water temperature (T), dissolved oxygen (DO), pH, and electrical conductivity (EC) were measured in-situ, while water samples were collected for the determination of total suspended solids (TSS), biochemical oxygen demand (BOD), chemical oxygen demand (COD), nitrite-, nitrate- and ammonium-nitrogen, total Kjeldahl nitrogen (TKN), ortho-phosphates (OP), total phosphorus (TP), and chlorophyll-a (Chl-a). The water samples were also analyzed for the determination of seven heavy metals (i.e., Cd, Pb, Hg, Ni, Cr, Cu, Zn) and 33 priority substances, as listed in Annex II of EU Directive 2008/105/EC. The results showed that the physicochemical parameters (i.e., T. DO, pH, EC, inorganic nitrogen, MN, OP, TP, TSS, and Chia) were within the natural range. The mean concentration of the measured heavy metals did not exceed the limits set by WHO (2003, 2017) for drinking water. Regarding the priority substances, some of them ( i.e., anthracene, fluoranthene, and polyaromatic hydrocarbons) were measured in various stations at higher concentrations than the Annual Average Environmental Quality Standards (AA-EQS). Based on the WFD-MEEG methodology, the river water was in the ‘good’ quality class, while according to CCME-WQI the river quality ranged from ‘marginal’ to ‘good’ category. It seems that CCME-WQI is stricter than WFD-MEEG but could be a WQI appropriate for use. (C) 2020 Elsevier B.V. All rights reserved.
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