Total Calcium (Ca) _____percent
Total Magnesium (Mg) _____percent
The secretary may not impose such regulatory standards if they conflict with labeling requirements of other states and if they would thereby constitute an economic hardship on the industry due to dual labeling requirements. The effective date of said regulation shall not be less than 18 months following the adoption of regulations. For a period of two years following the effective date of the regulations the equivalent of calcium and magnesium may also be shown in the form of calcium oxide and magnesium oxide.
3 P.S. § 132-4