Taryn McKnight, PFAS Practice Leader for Eurofins Environment Testing based in Sacramento, California, has nearly 20 years of experience in the environmental testing industry specializing in emerging contaminants and pathways of concern with a focus on PFAS and Vapor Intrusion assessments. She is responsible for staying abreast of the latest regulatory and scientific developments specific to PFAS, while collaborating with Eurofins operational leadership to develop services to meet the challenges of today and in the future. Ms. McKnight contributes to multiple organization and agency workgroups to address PFAS challenges, including her current effort as co-chair of the NGWA subcommittee to develop PFAS Sampling and Analysis Guidance. With her expertise she provides technical guidance to clients in setting up programs to achieve their site specific objectives, and to agencies with understanding their analytical options and data usability considerations.