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
Figure 2A
Upper 95-percent confidence limits for contamination of aluminum, barium, boron, chromium, cobalt, copper, iron, manganese, nickel, strontium, and zinc that are based on data from ground-water field blanks.