Excessive amounts of nitrate or nitrite in water can cause infant death, adult illness, and produce spontaneous abortion in cows. Some wells contain high levels of nitrate. When water contains high nitrate levels, nitrites often are present in low concentration.
|Method||Chemistry||Range||Steps (ppm)||Number of Tests|
|Test Strips||Nitrate |
as NO3- - N
|0-50 mg/L||0, 1, 2, 5, 10, 20, 50||25|
as NO2- -N
|0-3 mg/L||0, 0.15, 0.3, 1, 1.5, 3||25|