In environmental testing, detecting PFAS is tricky. Measuring compounds at single digit parts-per-trillion (ppt) or sub-ppt levels leaves little room for error, yet some of the biggest risks don't come from the sample itself, but from the laboratory environment.

How Ordnance Survey supports agriculture and land management through innovation and use of its trusted and authoritative data 

As pressures continue to rise on land use, food production and environmental resilience, accurate and trusted geospatial data has become essential to modern agriculture. Ordnance Survey (OS), the national mapping service and one of the largest holders of geospatial intelligence on land use in Great Britain, plays an integral role in supporting farmers, whether for farm management, environmental reporting or automated machinery. OS also has a role to play in encouraging innovation in the sector and supporting the roll-out of effective telecoms.