S.C. Code Ann. Regs. 27-178 – Maximum Chlorine in Fertilizers Branded for Tobacco.

1. The maximum chlorine guarantee permitted in tobacco plant bed fertilizer shall be .50 percent for grades containing less than 12 percent nitrogen (N) and 1.50 percent for grades containing 12 or a greater percent of nitrogen (N).
2. The maximum chlorine guarantee permitted in regular field crop tobacco fertilizer shall be as follows:
Grades with K₂ Guarantee Maximum Cl
12% and below 2%
13%-18% 3%
Above 18% 4%