TY - RPRT TI - Quality-Assurance Plan for Water-Quality Activities in the U.S. Geological Survey Washington Water Science Center AU - Richard J. Wagner AU - Robert A. Kimbrough AU - Gary L. Turney PY - 2007 DO - 10.3133/ofr20071307 UR - https://pubs.usgs.gov/publication/ofr20071307 ID - ofr20071307 ER -