According to EU food supervision network news website, May 13 the European Commission issued (EU) 2015/762, approved calcium hydroxide (Calcium hydroxide) as a base material used in plant protection products. This Regulation shall enter into force twenty days from publication.
The new regulations on EU regulations No 540/2011 Annex C section has been revised requirements for calcium hydroxide to 920 g of food-grade purity in which impurity contents were barium 300 mg, fluoride 50 mg, arsenic 3 mg, lead 2 mg.