The commissioner may refuse or cancel the registration of a pesticide if he or she finds, after a hearing, that use of the pesticide has demonstrated unreasonable adverse effects on the environment; or, a false or misleading statement about the pesticide has been made or implied by the registrant or the registrant's agent, in writing, verbally or through any form of advertising or literature or the registrant has not complied or the pesticide does not comply with the requirements of this article or any rule adopted pursuant to this article.