… per kilogram Biological Tissue None None Wet None Recoverable None Not checked 19284 PCB 57, tissue, wet weight ug/kg OPC PCB congener 57, biota, tissue, recoverable, wet weight, micrograms per kilogram Biological Tissue None None Wet None Recoverable None Not checked 19285 PCB …

… al. 2014, Webster et al. 2018), and a trend toward earlier spring rain-on-snow events throughout much of the Arctic Ocean in recent decades (Dou et al. 2021). Based on climate models, a study by Hezel et al. (2012) projected a substantial decline over this century in average sno…