In the Decree mentioned in the inscription, published in the Official Journal, the above p. 82, first column, article 1, paragraph 2, point g), where it is written: "... radio-attinologia δO18, δD, Tritium)", read: "... radio-attinologia (δO18, δD, Tritium). To page 1 83, first column, article 2, paragraph 3, point 18, where it says: "H2S", read: "H2". Moreover, at p. 83, first column, in article 2, paragraph 4, last line, where it is written: "8 mg/L Cyanide ...", read: "8 Cyanide ..."; Finally, on the same page, second column, third line, where it is written: "11 11", read: "Maganese Manganese".