Louisiana Administrative Code
Title 7 - AGRICULTURE AND ANIMALS
Part XI - Fertilizers
Chapter 1 - Sale of Fertilizers
Section XI-113 - Chemical Analysis of Fertilizer

A. The state chemist is responsible for chemical analysis of all samples of fertilizer.

B. All samples received in the laboratory shall be reduced to approximately 0.5 pounds for chemical analysis by splitting the sample in accordance with A.O.A.C. procedures.

C. In analysis of fertilizers, the state chemist shall follow the procedures set forth in the current edition of Official Methods of Analysis of the Association of Official Analytical Chemists (A.O.A.C.) or the procedures recognized by the American Association of Plant Food Control Officials (A.A.P.F.C.O.).

D. In any situation which is not expressly covered by the authorities cited in §113. B above, the state chemist shall select the method of analysis to be followed and shall document the rationale for his selection.

E. Results of the fertilizer analysis shall be mailed to the guarantor within 30 days after the sample is taken. If the test results are not mailed to the guarantor within 30 days after the sample was taken, the guarantor may request in writing, within 10 days of receipt of notice of deficiency, a hearing before the commission for a determination of the validity of any penalties assessed.

F. When analysis indicates a deficiency, then an additional analysis shall be made from the unground portion of that sample being held in the laboratory. If the results of the two analyses differ, then the official results shall be the analysis that indicates the higher percentage of plant nutrients.