Review of Trace Element Blank and Replicate Data Collected in Ground and Surface Water for the National Water-Quality Assessment Program, 1991–2002
By Lori E. Apodaca1, David K. Mueller2 and Michael T. Koterba3
Scientific Investigations Report 2006-5093, published 2006.
Figure 1
Locations of the 52 National Water-Quality Assessment Program study units that contributed the data analyzed in this report.
Figure 1 - Locations of the 52 National Water-Quality Assessment Program study units that contributed the data analyzed in this report.