Indiana Code Title 16. Health § 16-41-25-4

(1) the employee was hired by the local health department before January 1, 2013;

(2) the local health board has determined that the employee has the necessary knowledge of the principles of soil science as acquired by professional education;

(3) the employee uses guidelines set forth in the soil manuals, technical bulletins, and handbooks of the Natural Resources Conservation Service of the United States Department of Agriculture;  and

(4) the employee files a written report with the local health department for each onsite soil evaluation conducted by the employee.