(4) Notwithstanding sections D.01.009 to D.01.011, no person shall sell evaporated partly skimmed goat’s milk or evaporated skimmed goat’s milk to which vitamins have been added unless 100 mL of the evaporated partly skimmed goat’s milk or the evaporated skimmed goat’s milk, when reconstituted according to directions for use, contains not less than 140 International Units of vitamin A, seven milligrams of vitamin C, 35 International Units of vitamin D and 10 micrograms of folic acid and not more than 300 International Units of vitamin A, nine milligrams of vitamin C, 45 International Units of vitamin D and 20 micrograms of folic acid.

So you see very significant decreases in those contaminants and in acid rain and the consequent damage to the environment caused by acid rain.

Some substances (acids, bases, etc.) are placed on the market in aqueous solutions at various concentrations and, therefore, these solutions require different classification and labelling since the hazards vary at different concentrations’.

Included in the natural products are also concentrates folic acid or amino acids that aren't necessarily food substances.

3. A complete ban on concentrated strong acids on EU consumer markets (non-professional markets) when a substitute is available: sulphuric, hydrochloric and nitric acids in particular.

At this concentration, the lead sulphide precipitates only in an acetic medium. Precipitation can be obtained in the presence of only 0.05 ml of hydrochloric acid for 15 ml, but this concentration is too delicate to be achieved exactly in practice.