Add up to 2 more sites and replot for "Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, [purged, ex situ XO1 sonde]"
Add up to 2 more sites and replot for "Dissolved oxygen, water, unfiltered, milligrams per liter, [purged, ex situ XO1 sonde]"
Add up to 2 more sites and replot for "pH, water, unfiltered, field, standard units, [purged, ex situ XO1 sonde]"
Add up to 2 more sites and replot for "Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen, [purged, ex situ SUNA2]"