Chemicals of Emerging Concerns CECs and Their Transformation Products TPs in Aquatic Enlivenment, Current Status and Challenges: A Comprehensive Review
Keywords:
Chemicals of Emerging Concerns, Transformation Products, Aquatic EnlivenmentAbstract
Environmental research has shifted from legacy contaminants to Chemicals of emerging concerns CECs in the last two decades. CECs and their transformation product TPs are ubiquitously documented in the aquatic environment due to the increased anthropological activities of humans. These CECs and their transformation product TPs have continuously impacted ecosystems and humans. Though current analytical tools and effect-based methods are out of infancy regarding water analysis, following holistic approaches are necessary to improve the gaps in the current water analysis scenario. (1) Prioritization of more environmentally relevant CECs and their TPs by appropriate and standardized analytical and bioanalytical approaches, (2) continuous and regular monitoring of currents European watchlist, priority list, and substances of very high concerns (SOVHC) by all member states, (3) monitoring of spatial, and temporal occurrence of CECs and their TPs over a more extended period by using passive sampling techniques (4) Integration of target, suspect and non-target screening with Effect-directed analysis to assess the toxic causative chemicals in complex mixtures. (5) Polarity extended screening of CECs and their TPs in environmental (water) samples. Furthermore, for assessing the aquatic environmentally relevant CECs and their TPs, appropriate and standardized analytical tools and assessment protocols are required to address TPs' selection, identification, and quantification and their toxicological relevance. So that adequate mitigation measures are taken against CECs and TPs to protect and conserve our environment.
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