Paul Walker (BSc, MRSC) gained his Chemistry degree from Grey College, Durham University, and has worked for SOCOTEC UK for 25 years. As senior technical and development specialist in the Environmental Science sector at SOCOTEC UK, Paul is responsible for developing analytical methods, both for improving current methods and implementing new emerging work areas. Paul is an expert in the field of environmental forensics and currently is involved in the examination of soils and sediments for microplastics. Paul is a member of the British Standards Institution and a national expert to ISO: Water quality – Physical, Chemical and Biochemical methods.