Oregon Revised Statutes Occupations and Professions § 700.025

(1) Any person teaching, lecturing or engaging in research in environmental sanitation but only in so far as such activities are performed as part of an academic position in a college or university.

(2) Any person who is a sanitary engineer, public health engineer or registered professional engineer.

(3) Any public health officer employed pursuant to ORS 431.001 to 431.550, 431.705 to 431.760, 431.990 and 431A.005 to 431A.020.

(4) Any person employed by a federal governmental agency but only at such times as the person is carrying out the functions of employment.

(5) Any person who holds a doctorate in veterinary medicine.

(6) The performances of such duties as meat inspection, produce inspection, bee inspection, grain warehouse inspection, landscaping, gardening, plumbing, septic tank or cesspool installation or insect and rodent poison application.

(7) Any employee of the Department of Environmental Quality other than an on-site waste water disposal employee.

(8) Any person employed by a local government, or its agents, while employed in a job that did not require registration under ORS 700.020 as of October 4, 1997.