Iowa Administrative Code
Agency 21 - Agriculture and Land Stewardship Department
Chapter 43 - Fertilizers and Agricultural Lime
Rule 21-43.32 - Sample Procedure

(1) Samples of agricultural liming material for analyzing the number of pounds of ECCE shall be obtained by taking samples from the manufacturer's production belt or stockpile. A minimum of one sample and up to five samples shall be taken at locations where there are permanent production facilities each year that agricultural liming material is being produced. Samples shall be taken at locations where there are no permanent production facilities once during the time that a portable plant is at the location producing agricultural liming material. Subsequent samples will be taken either during the period that the portable plant is at the location or from the stockpile created, until a total of three to five representative samples from the pile have been accumulated and submitted for analysis. The manufacturer or producer of agricultural liming material shall notify the secretary of agriculture or person or persons appointed by the secretary of the production of agricultural liming material seven calendar days prior to the manufacture or production of agricultural liming material so that samples may be obtained by a person or persons appointed by the secretary in compliance with this rule.

(2) Samples of specialty limestone for analyzing the number of pounds of ECCE shall be submitted to the secretary of agriculture by the manufacturer or producer of specialty limestone for analysis in accordance with rule 21-43.33 (201A).

(3) Samples of agricultural liming material may be obtained from manufacturers' or producers' production belts, stockpiles or in transportation and analyzed for compliance with certification requirements of rule 21-43.35 (201A). Samples of specialty limestone may be obtained from packages and analyzed for compliance with certification requirements of rule 21-43.35 (201A).

(4) Samples of water treatment plant lime for analyzing the number of pounds of ECCE shall be obtained by taking samples from the water plant designated sampling point. Samples shall be taken when agricultural liming material is being taken off-site for land application. The producer of the agricultural liming material shall notify the secretary of agriculture or person(s) appointed by the secretary about the intent to land apply the liming material seven calendar days prior to the land application when agricultural liming material is stockpiled so that samples may be obtained in compliance with this rule.