Manickum Thavrin, Research Gaps In Contaminants Of Emerging Concern (CECs): Routes To The Standardization Of Chemical Test Methods By GC/LC-Mass Spectrometry: A Review, Journal of New Developments in Chemistry, Volume 4, Issue 1, 2023, Pages 30-79, ISSN 2377-2549, https://doi.org/10.14302/issn.2377-2549.jndc-23-4615. (https://jndc-chemistryarticles.infojndc/article/1975) Keywords: Contaminants of Emerging Concern; research gaps; definition; toxicity; chemical test methods; standardization; chromatography-mass spectrometry