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STANDARD METHODS
13. STANDARD METHODS
Description Range Method
Ammonia LR 0.00 to 3.00 mg/L (as NH
3
-N) Nessler
Ammonia MR 0.00 to 10.00 mg/L (as NH
3
-N) Nessler
Ammonia HR 0.0 to 100.0 mg/L (as NH
3
-N) Nessler
Calcium 0 to 400 mg/L (as Ca
2+
) Oxalate
Iron(II)/(III) 0.00 to 6.00 mg/L (as Fe) EPA 315B
Magnesium 0 to 150 mg/L (as Mg
2+
) Calmagite
Nitrate 0.0 to 30.0 mg/L (as NO
3
-
- N) Cadmium reduction
Phosphate HR 0.0 to 30.0 mg/L (as PO
4
3-
) Amino Acid
Potassium 0.0 to 20.0 mg/L (as K) Tetraphenylborate
Sulfate 0 to 150 mg/L (as SO
4
2-
) Barium Chloride