Iowa Administrative Code

The following shall apply to any agricultural liming material that consists primarily of egg shells: 1. With the exception of paragraph “2,” the material shall be stored in a structure that prevents precipitation from contacting the stored material. 2. The material may be stored …

If official sampling and analysis of any registered commercial fertilizer or soil conditioner indicates that the product does not meet the guarantees or claims made for it, or that the products do not meet the minimum plant nutrient values established by rule 21—43.1(200), the se…

The Compressed Gas Association’s (CGA’s) American National Standard Safety Requirements for the Storage and Handling of Anhydrous Ammonia (6th edition), commonly referred to as ANSI/CGA G-2.1 2014, is adopted by this reference as the official requirement for the storage and handl…

43.7(1) There shall be paid by the licensee, as licensed under Iowa Code section 200.4, to the secretary for all commercial fertilizers and soil conditioners sold or distributed in this state, a groundwater protection fee of 75 cents per ton based on an 82 percent nitrogen soluti…

Where used in these rules: “Aerial applicator” means a commercial applicator who is certified in #11—Aerial Application and who applies the pesticide by using an aircraft. “Bulk pesticide” means any registered pesticide which is transported or held in an individual container in u…

Pesticides shall be mixed, repackaged and transferred in a manner that will prevent unreasonable adverse effects to humans or to the environment. Physical and chemical properties, including volatility, toxicity and flammability, shall be considered in the mixing, repackaging and …

Bulk repackaging for sale or delivery may be made provided the establishment conducting the transfer, sale or delivery shall comply with FIFRA, Section 7 (registration of pesticide producing establishments). 44.11(1) There shall be no change in pesticide product labeling, except …

If the spray component of an aircraft is being drained or repaired during aircraft maintenance, secondary containment with permanent devices or portable devices suitable for use with pesticides is required. 21—44.13 to 44.49 Reserved. FERTILIZERS AND SOIL CONDITIONERS…

All nonmobile bulk pesticide storage containers shall be located within a watertight secondary containment facility. All mixing, repackaging and transfer of pesticides from one container to another performed at a permanent pesticide storage and mixing site shall be done within a …

Design plans and specifications for facilities required under these rules shall be submitted to the Iowa department of agriculture and land stewardship prior to the start of construction, along with certification from an Iowa registered engineer (as defined in Iowa Code chapter 5…

Upon completion of construction, certification by the owner or owner’s agent shall be made to the Iowa department of agriculture and land stewardship that the facilities were constructed in accordance with rules 21—44.2(206) to 21—44.11(206). If departmental investigation, subseq…

New permanent storage and mixing sites as defined in rule 21—44.1(206) shall be selected in accordance with requirements of the Iowa department of natural resources. The new site, if located in a flood plain, shall be protected from inundation from floods. New permanent pesticide…

Effective February 18, 1987, all new construction of fertilizer and soil conditioner facilities shall provide secondary product containment as specified in rules 21—44.51(200) to 21—44.58(200). Effective February 18, 1997, ten years after the adoption of these rules, all fertiliz…

“Minimally manipulated manures.” Minimally processed, nonliquid substances composed primarily of excreta, plant remains, or mixtures of such substances. “Minimally processed.” Processing a nonliquid substance in a manner which does not modify the nutrient value on a dry matter ba…

Design plans and specifications for facilities required under these rules shall be submitted to the Iowa department of agriculture and land stewardship prior to the start of construction, along with certification from a registered engineer (as defined in Iowa Code chapter 542B) t…

New permanent storage sites as defined in rule 21—44.51(200) shall be selected in accordance with the requirements of the Iowa department of natural resources. The new site, if located in a floodplain, shall be protected from inundation from floods. New permanent fertilizer and s…

Upon completion of construction, certification by the owner or owner’s agent shall be made to the Iowa department of agriculture and land stewardship that the facilities were constructed in accordance with rules 21—44.52(200) to 21—44.58(200). If departmental investigation, subse…

All liquid fertilizer and soil conditioner storage facilities, except anhydrous ammonia storage facilities, as defined in rule 21—44.51(200) shall be located within a secondary containment structure. The secondary containment structure shall have a volume 20 percent greater than …

Nonliquid fertilizer and soil conditioner stored in a totally enclosed building and a soil conditioner meeting the requirements of subrule 44.56(3) are exempt from the requirements of this rule. Unless stored in a totally enclosed building, or soil conditioners meeting the requir…

44.57(1) All loading, unloading, and mixing of liquid fertilizer or liquid soil conditioners, unless performed in the field of application, shall be done within a containment area. The containment area shall be large enough to prevent spillage onto unprotected areas and paved wit…

All washing of fertilizer and soil conditioner handling and application equipment at permanent storage sites shall be conducted within an area which drains into a containment structure which complies with rule 21—44.55(200). No fertilizer rinsates or wash waters from fertilizer o…

Each site shall comply with those ordinances and regulations enacted by the city or county affected by such location that related to the location of such sites. All sites and facilities where flammable pesticides are stored shall comply with state and federal fire protection rule…

Base and walls of secondary containment facilities must be constructed of concrete, steel or other impervious materials which are compatible with the pesticides being stored and will maintain their integrity under fire conditions. Storage containers must be anchored, as necessary…

Containers used for pesticide storage and handling shall be of materials and construction compatible with the pesticide stored and the conditions of storage and maintained in a manner as to minimize the possibility of a spill. 44.8(1) Storage container labeling and protection. Up…

Bulk pesticide containers shall meet all applicable standards of the appropriate state and U.S. Department of Transportation laws and regulations. 44.9(1) Mobile bulk pesticide containers shall be secured to prevent significant movement during transportation. 44.9(2) Mobile bulk …

45.1(1) The following definitions are hereby adopted. “Aerial applicator” means a licensed commercial applicator, certified in category #11, Aerial Application, who applies pesticides by using aircraft in compliance with Federal Aviation Administration regulations under Title 14 …

No claim shall be made for products in any written, printed or graphic matter accompanying the product at any time that differ in substance from written representations made in connection with registration. [ARC 9145C, IAB 4/30/25, effective 1/1/26]

Where used in these rules: “Contested case hearing” means an evidentiary hearing pursuant to Iowa Code chapter 17A. “Department” means the pesticide bureau of the department of agriculture and land stewardship. “Informal settlement” means an agreement between representatives of t…

Pesticide applicators who violate provisions of Iowa Code chapter 206 or rules promulgated pursuant to Iowa Code chapter 206 may be subject to civil penalties. This rule outlines the criteria and procedures for establishing, assessing, and collecting civil penalties. 45.101(1) Cr…

The name of the product shall appear on the labeling so as not to emphasize any one ingredient or otherwise be misleading. It shall not be arranged on the label in such a manner as to be confused with other terms, trade names or legends. [ARC 9145C, IAB 4/30/25, effective 1/1/26]

A brand name is distinctive with reference to the material to which it applies and the registration of a pesticide under the same brand name by two or more manufacturers or shippers should be denied or refused. This principle applies also to the registration of brand names so sim…

45.13(1) Location of ingredient statement. The ingredient statement must appear on that part of the label displayed under customary conditions of purchase except in cases where the secretary determines that, due to the size or form of the container, a statement on that portion of…

Each package of pesticide shall show the net weight or measure of content, either stenciled or printed on the package or container, or on a tag attached thereto. Indefinite statements of content such as “. . . oz. when packed” shall not be used. Statements of liquid measure, or o…

The white powder pesticides hereinafter named shall be colored or discolored in accordance with this rule. Provided, however, that any such white powder pesticide that is intended solely for use by a textile manufacturer or commercial laundry, cleaner or dyer as a moth-proofing a…

45.16(1) All pesticides, whether registered or not, sold or offered for sale shall comply with the provisions of section 206.11(1) of the Iowa pesticide Act. 45.16(2) The secretary shall examine pesticides from time to time, and if it appears at any time that a pesticide fails to…

45.17(1) Any manufacturer or distributor or other person residing in the United States may furnish to any person to whom it sells a pesticide a guarantee that the pesticide was lawfully registered at the time of sale and delivery to such person, and that the pesticide complies wi…

A pesticide shipped or delivered for experimental use shall not be considered a violation of section 206.11(1) of the Iowa pesticide Act. 45.18(1) When the pesticide is shipped or delivered for experimental use under the supervision of any federal or state agency authorized by la…

45.19(1) Collection of samples. Samples of pesticides and devices shall be collected by an official investigator or by any employee of the state who has been duly designated by the secretary, by entry into any place during reasonable business hours. 45.19(2) Nonchemical pest cont…

The current methods of analysis of the Association of Official Analytical Chemists of North America shall be adopted as the official methods insofar as they are applicable, and such other methods shall be used as may be necessary to determine whether the product complies with the…

Before the rodenticides sodium fluoroacetate (1080), thallium sulfate, and phosphorous pastes are to be used by any federal, state, county, municipal, or public officers, or their deputies, employees, or agents, in their official duties in pest control; or licensed pest control o…

A pesticide that falls within any of the following categories when tested on laboratory animals (mice, rats and rabbits) is highly toxic to humans within the meaning of these principles: 45.21(1) Oral toxicity. Those that produce death within 14 days in half or more than half the…

No person shall engage in the business of applying pesticides to the land or property of another at any time without being licensed and certified by the secretary. No person shall apply any restricted use pesticide without first complying with certification standards or unless th…

No person shall sell or possess any thallium or thallium compound except federal, state, county, or municipal officers or their deputies for use in their official duties in pest control; research or chemical laboratories in their respective fields; regularly licensed pest control…

In order to promote uniformity among the requirements of the Iowa pesticide Act and requirements of the several states and the federal government, Iowa Code section 206.21 of the Iowa pesticide Act provides for the adoption of rules and regulations in conformity with those prescr…

The secretary declares the following to be pests: 1. Any insect, rodent, nematode, fungus, weed, or 2. Any form of plant and animal life, virus, or other microorganism, except viruses or other microorganisms on or in living man or other living animals, that exists under circumsta…

Commercial applicators and retail dealers shall maintain records with respect to application of pesticides for a period of three years from the date of application of the pesticides to which the records refer and shall furnish copies to the secretary upon request in writing. 45.2…

The use of high volatile esters formulations of 2,4-D and 2,4,5-T, the alcohol fraction of which contains five or fewer carbons, shall be prohibited in the counties of Harrison, Mills, Lee, Muscatine and that part of Pottawattamie county west of Range 41 West of the 5th P.M. to b…