“…Comparative studies of QC data collected for the routine water-quality monitoring program were presented by Wegner (1989), Williams (1996Williams ( , 1997, Rattray (2012), and Davis and others (2013); for the local monitoring program at the Naval Reactors Facility by Williams (1996Williams ( , 1997 and Knobel and others (1999a); for off-site monitoring programs by Bartholomay and others (1997), Williams and others (1998), Rattray and Campbell (2003), and Rattray and others (2005); and for special on-site studies by Knobel and others (1999b) and Bartholomay and Twining (2010). Some of the QC data presented in these reports of comparative studies are not directly comparable to QC data presented in this report because laboratories other than the RESL or the NWQL were used for radiochemical or chemical analyses, respectively (Wegner, 1989;Williams, 1996;Williams and others, 1998;Knobel andothers, 1999a, 1999b;Rattray and Campbell, 2003;Rattray and others, 2005).…”