TY - RPRT TI - Sampling for Per- and Polyfluoroalkyl Substances (PFAS) by the Groundwater Ambient Monitoring and Assessment Priority Basin Project AU - Robert H. Kent PY - 2021 DO - 10.3133/fs20213028 UR - https://pubs.usgs.gov/publication/fs20213028 ID - fs20213028 ER -