The director of the department of public safety shall adopt rules prescribing methods and procedures for the administration of breath tests to determine alcohol concentration. The rules shall include:

1. 1. The approval of quantitative breath testing devices.
2. 2. Procedures for ensuring the accuracy of results obtained from approved breath testing devices.
3. 3. Qualifications for persons who conduct breath tests.
4. 4. Qualifications for persons who instruct others in the operation of breath testing devices.