Ill. Admin. Code tit. 35 § 391.413
Current through Register Vol. 49, No. 2, January 10, 2025
Although most sludges will not contain sufficient potassium levels for optimum nutrient loading, the potassium concentrations in sludge shall be analyzed for the purposes of advising sludge users.
Ill. Admin. Code tit. 35, § 391.413