As used in this chapter, unless the context otherwise indicates, the following words shall have the following meanings.
1. Breathing apparatus. "Breathing apparatus" means any breathing device, either high or low pressure, which is used to sustain human life under adverse conditions.
2. Department. "Department" means the Department of Health and Human Services.
3. Suppliers of compressed air. "Suppliers of compressed air" means any organization, agency, individual, firm, partnership or corporation that provides compressed air to be used in self-contained breathing apparatus.
4. Tester of compressed air. "Tester of compressed air" means any organization, agency, individual, firm, partnership or corporation that is recognized by the department as qualified to inspect and test suppliers of compressed air.