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Bulk Pesticide Secondary Containment

A bulk pesticide is either a liquid with a container capacity of more than 55 gallons or dry with a container capacity of 100 pounds.

A bulk container may be permanent (non-movable).

Wherever bulk pesticides are stored, and an aggregate amount of all chemicals stored reaches 1,000 gallons for liquid or 3,000 pounds for dry in any 365-day period, secondary containment is required.

Secondary containment designs may vary, but all materials must be chemically compatible with the products stored.

A load pad is required wherever pesticides are stored in bulk quantities. However, an exemption is allowed when the facility handles only sealed containers that are loaded onto or off of delivery vehicles.

If pesticide products are applied to property owned or operated by the applicator, a mobile container of 350 gallons may be stored at a specific location for up to 60 days in any 365-day period without secondary containment or a load pad.

To submit an application for construction or modification of pesticide secondary containment, print Pesticide Secondary Containment Application, fill it out, and submit it to the address on the application form.

Bulk Pesticide Storage and Containment                      

K.A.R. 4-13-25, 4-13-25(a)-(l)

There are requirements for secondary containment if businesses or individuals store bulk pesticides.  A bulk pesticide is any that is stored in a container larger than 55 gallons liquid measure or 100 pounds net dry weight.   Secondary containment is required when the aggregate amount of bulk pesticides reaches the threshold of 1,000 gallons for liquid or 3,000 pounds for dry, in a 365 day period.  Refer to K.A.R. 4-13-25 et seq. for the regulations or contact KDA for additional information.

Amendments to the bulk containment regulations were adopted on September 3, 2010.  These included changes in facility inspection requirements and activities on mixing and loading pads.  This is a summary of the changes contained in the amended regulations, Bulk Containment Regulation Changes 2010.

Pesticide Container and Containment Structure Regulations

The EPA Container Containment Summary is a an overview of the EPA's structure regulations, in regards to Pesticide Containers in a user-friendly chart.