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Missouri Water Science Center

ABBREVIATIONS AND UNITS USED IN WATER-QUALITY TABLES

Cond Specific conductance, in microsiemens per centimeter at 25 degrees Celsius
pH In standard units
Temp Water temperature, in degrees Celsius
DO Dissolved oxygen, in milligrams per liter
COD Chemical oxygen demand, in milligrams per liter, milligrams per kilogram
Coli Fecal coliform colonies per 100 milliliters
Strep Fecal streptococcus colonies per 100 milliliters
Ca Dissolved calcium, in milligrams per liter
Mg Dissolved magnesium, in milligrams per liter
Na Dissolved sodium, in milligrams per liter
K Dissolved potassium, in milligrams per liter
Alk Alkalinity as calcium carbonate, in milligrams per liter
SO4 Dissolved sulfate, in milligrams per liter
Cl Dissolved chloride, in milligrams per liter
F Dissolved fluoride, in milligrams per liter
Br Dissolved bromide, in micrograms per liter
SiO2 Dissolved silica, in milligrams per liter
DS Dissolved solids, residue at 180 degrees Celsius, in milligrams per liter
NO2 Dissolved nitrite as nitrogen, in milligrams per liter
NO2 + NO3 Dissolved nitrite plus nitrate as nitrogen, in milligrams per liter
NH3 Dissolved ammonia as nitrogen, in milligrams per liter, milligrams per kilogram
NH3 + Org N Total ammonia plus organic nitrogen, in milligrams per liter
Org N Organic nitrogen, milligrams per kilogram
P total Total phosphorus, in milligrams per liter
P Dissolved phosphorus, in milligrams per liter
Ortho P Dissolved phosphorus plus orthophosphate as phosphorus, in milligrams per liter
Al Dissolved aluminum, in micrograms per liter
As Dissolved arsenic, in micrograms per liter, micrograms per kilogram
Ba Dissolved barium, in micrograms per liter
Be Dissolved beryllium, in micrograms per liter, micrograms per kilogram
B Dissolved boron, in micrograms per liter
Cd Dissolved cadmium, in micrograms per liter, micrograms per kilogram
Cr Dissolved chromium, in micrograms per liter, micrograms per kilogram
Co Dissolved cobalt, in micrograms per liter
Cu Dissolved copper, in micrograms per liter, micrograms per kilogram
Fe Dissolved iron, in micrograms per liter
Pb Dissolved lead, in micrograms per liter, micrograms per kilogram
Li Dissolved lithium, in micrograms per liter
Mn Dissolved manganese, in micrograms per liter, micrograms per kilogram
Hg Dissolved mercury, in micrograms per liter, micrograms per kilogram
Mo Dissolved molybdenum, in micrograms per liter
Ni Dissolved nickel, in micrograms per liter, micrograms per kilogram
Se Dissolved selenium, in micrograms per liter, micrograms per kilogram
Ag Dissolved silver, in micrograms per liter
Sr Dissolved strontium, in micrograms per liter
V Dissolved vanadium, in micrograms per liter
Zn Dissolved zinc, in micrograms per liter, micrograms per kilogram
TOC Total organic carbon, in milligrams per liter
DOC Dissolved organic carbon, in milligrams per liter
-- No data available
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