1. Has used methods of poultry waste not suitable or safe for the land-application site for which they shall have been employed;

2. Has failed or refused to furnish the Oklahoma Department of Agriculture, Food, and Forestry, upon request, true information regarding methods and safety measures used, work performed, or other information deemed essential by the Department, or has made any false statement or representation in such person's application for issuance or renewal of a certificate;

3. Has violated any state law, rule, or standard prescribed or order issued by the State Board of Agriculture;

4. Has failed or refused to file annual reports as specified in the Oklahoma Poultry Waste Applicators Certification Act;

5. Has failed to perform work according to minimum standards authorized by the Oklahoma Poultry Waste Applicators Certification Act;

6. Has acted, operated, done business, or advertised as a commercial applicator without having obtained a valid certificate issued by the Department;

7. Has acted or operated as a private applicator without having obtained a valid private poultry waste applicator certificate issued by the Department;

8. Has not complied with the education provisions of subsection F of Section 10-9.5 of this title; or

9. Has been convicted in any court of a violation of the Oklahoma Poultry Waste Applicators Certification Act.