The Health and Safety Executive (HSE) has decided not to tighten Britain's asbestos-exposure limit, citing a lack of evidence that such a move would reduce current or future exposures and improve health outcomes. This decision comes despite the EU's recent reduction of its occupational exposure limit for asbestos from 0.1 fibres per millilitre (f/ml) over an eight-hour period to 0.01 f/ml, with further reductions planned for 2029. The HSE's review of scientific, technical, and workplace evidence found that the current regulatory framework, which requires exposures to be reduced as low as reasonably practicable, already provides robust protection for workers handling asbestos. Lowering the control limit would, in practice, bring most asbestos-related work into the scope of licensable activity, imposing significant costs on businesses without a corresponding reduction in exposure risk. The HSE also noted that practical difficulties in measuring lower levels of exposure would create a barrier to accurate implementation and could introduce risk. Instead, the HSE emphasizes the importance of effective control methods, training, competence, site discipline, and regulatory enforcement in minimizing asbestos exposure risks. The decision reflects the HSE's commitment to protecting workers through the most effective means possible, based on rigorous scientific evidence. However, the HSE acknowledges that more than 5,000 people still die annually from asbestos-related diseases, highlighting the ongoing challenge of managing this deadly substance. The Control of Asbestos Regulations 2012 mandates that employers ensure no employees are exposed to asbestos in concentrations above the control limit, and all activities involving asbestos should be designed to be as far below the limit as possible. Despite these regulations, asbestos-related claims and deaths persist, underscoring the need for continued vigilance and adherence to safety standards in the workplace.