TY - RPRT TI - Updated study reporting levels (SRLs) for trace-element data collected for the California Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project, October 2009–October 2018 AU - George L. Bennett PY - 2020 DO - 10.3133/sir20205034 UR - https://pubs.usgs.gov/publication/sir20205034 ID - sir20205034 ER -