Definitions
Under Section 18 of FIFRA, MDA can apply for an emergency exemption from federal registration in order to allow the use of an unregistered pesticide in an emergency situation. An emergency situation must be urgent and non-routine and could include: an outbreak of a new pest, development of resistance to existing pesticides, unusual weather conditions that caused a pest outbreak, or product cancellation.
Upon request, MDA will register Federal Section 18 exempted pesticides at no fee, in order to provide a legal path for their use in Montana. Federal Section 18 exempted pesticides currently registered for use in Montana are included in the listing below and can be identified by Section 18 numbers that do not include the “MT” prefix at the beginning of the registration number.
Section 18
Section 18 registrations provide exemptions from pesticide registration under emergency conditions. An emergency is considered an urgent, non-routine situation. Refer to our Section 18 Guidelines for details.
Section 18 Emergency Exemptions - Labels provided by manufacturer
| Sec. 18 No. | Crop/Pest | Product Name | Company Name | Labels |
|---|---|---|---|---|
| 24DA03 | Prions | Sodium hydroxide (NaOH). Common name: lye. CAS#: 1310-73-2 | Various | Link |
| 24DA04 | Prions | Sodium hypochlorite (CAS# 7681-52-9) | Various | Link |
| 25DA01 | Highly Pathogenic Avian Influenza Virus | Virkon S (EPA Reg. No. 39967-137) and propylene glycol mixture | Lanxess Corp and various | Link |
| 25DA02 | Foot-and-mouth disease virus (FMDv); African swine fever virus (ASFv); Low and highly pathogenic avian influenza virus (AIv) | Citric acid anhydrous (fine granular, granular, or powder) | Link |
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