However the ASC issued the following response to The Fish Site this week, which explains their decision in more detail: “The previous ASC Salmon Standard (v1.3) had emphasised the metric limit set a decade ago as the core driver of impact at farm level. However, and in doing so, various equally important measures were either omitted or worked counter-effectively. This revised (v1.4) Standard has addressed this concern on Criterion 3.1.7, based on recommendations of the expert Technical Group (TG).