Sound velocity Sound velocity according to Wilson's formula entered to tenths of a meter per second. 



O3 ml/1 Dissolved oxygen in milliliters per liter entered to hundredths. 



PO,-P ug-at/1 Inorganic phosphate in microgram-atoms per liter entered to hundredths. 



Total-P Mg-at/1 Total phosphorus in microgram-atoms per liter entered to hundredths. 



NO:-N Mg-at/1 Nitrite-nitrogen in microgram-atoms per liter entered to hundredths. 



NO3-N Mg-at/1 Nitrate-nitrogen in microgram-atoms per liter entered to tenths. 



SiO<-Si Mg-at/1 Silicate-silicon in microgram-atoms per liter entered to whole units. 



pH Entered to hundredths. 



48 



