Samples of agricultural liming materials taken as provided in section 266.530 shall be submitted by the director, or persons appointed or authorized by him, to the University of Missouri agricultural experiment station chemical laboratories for analysis. The samples shall be analyzed for calcium carbonate equivalent, magnesium content, and fineness of grind based on Association of Official Analytical Chemists methods of analysis. The results of the analyses of each sample shall be submitted to the producer or distributor of record and the director.