Arsenic risks increased by compost and fertiliser

Amending contaminated land with compost or phosphates could exacerbate the risks posed by arsenic contamination, according to a study of soil processes at a former industrial site at Merton Bank in St Helens, Merseyside.¹ With biodegradable wastes being increasingly diverted from landfill and used on brownfield sites, the findings have important implications for land remediation practices.

A team led by William Hartley from th