GB Potatoes and the CIPC Residues Monitoring Group (CRMG) are urging potato growers and store managers to submit their residue sampling results before 31 August and to make store cleaning a priority. The latest CRMG surveillance data shows that chlorpropham (CIPC) residues detected in potato stores remain within the current permitted limit. Residue levels are continuing to decline, demonstrating the progress made by the industry since CIPC was withdrawn in 2020. Around one in seven stores is still returning a detectable CIPC residue, compared with approximately one in four during the first year of monitoring. While these detections are within…