The pesticide certification test cannot be taken online as of 2015. The tests are administered by the states or territories, and testing facilities vary by location.
Study materials and information on the pesticide applicator test are located on the EPA website. General information on pesticides in relation to workers, children and animals is also available on the site.
Testing requirements vary by state and can be found through each state's Department of Agriculture website. States offer a variety of testing dates and locations.
Tutorials and study guides for the exam are held at many locations, including Cornell University. Study materials are categorized by module.