Using Benchmarking To Strengthen the Assessment of Persistence

Michael S. McLachlan, Hongyan Zou, and Todd Gouin (2017). “Using Benchmarking To Strengthen the Assessment of Persistence.” Environmental Science & Technology 51 (1), 4-11. DOI: 10.1021/acs.est.6b03786

Abstract: Chemical persistence is a key property for assessing chemical risk and chemical hazard. Current methods for evaluating persistence are based on laboratory tests. The relationship between the laboratory based estimates and persistence in the environment is often unclear, in which case the current methods for evaluating persistence can be questioned. Chemical benchmarking opens new possibilities to measure persistence in the field. In this paper we explore how the benchmarking approach can be applied in both the laboratory and the field to deepen our understanding of chemical persistence in the environment and create a firmer scientific basis for laboratory to field extrapolation of persistence test results.

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