(a) Apprentice license:

1. (1) Issued for a maximum of six (6) months;
2. (2) Issued only once; and
3. (3) The receiving operator must have never been previously licensed under this part.

(b) Class I license:

1. (1) High school graduate, GED, or equivalent;
2. (2) Satisfactory completion of forty (40) hours of approved training or equivalent or substitute training as determined or defined by the Wastewater Licensing Committee; and
3. (3) Satisfactory completion of a Class I examination.

(c) Class II license:

1. (1) Hold a Class I or equivalent license;
2. (2) Satisfactory completion of a total of eighty (80) hours of approved training or equivalent or substitute training as determined or defined by the committee;
3. (3) Two (2) years of experience in wastewater treatment or related field;
4. (4) Satisfactory completion of a Class II examination; and
5. (5) Have satisfactorily carried out the responsibilities of a Class I operator.

(d) Class III license:

1. (1) Hold a Class II or equivalent license;
2. (2) Satisfactory completion of a total of one hundred twenty (120) hours of approved training or equivalent or substitute training as determined or defined by the committee;
3. (3) Completion of a total of three (3) years of experience in wastewater treatment or related field, provided that at least one (1) year shall have been in wastewater treatment plant operation;
4. (4) Satisfactory completion of a Class III examination; and
5. (5) Have satisfactorily carried out the responsibilities of a Class II operator.

(e) Class IV license:

1. (1) Hold a Class III license or equivalent for at least three (3) years;
2. (2) Satisfactory completion of a total of two hundred (200) hours of approved training;
3. (3) Completion of six (6) years of experience in wastewater treatment, provided that at least two (2) years shall have been in direct charge of a wastewater treatment plant or one (1) of its major components;
4. (4) Satisfactory completion of a Class IV examination; and
5. (5) Have satisfactorily carried out the responsibilities of a Class III operator.