Oregon Revised Statutes Public Health and Safety § 455.570

(a) Differences in lighting levels within public buildings for special areas and uses, including but not limited to hospital, drafting room, and advertising display, and for other areas and activities requiring special illumination.

(b) The interaction between lighting and heating systems.

(c) Occupational safety and health standards.

(a) Are of insufficient size to warrant maximum lighting standard regulations;

(b) Should be allowed a specific period of time before compliance with maximum lighting standards is required;

(c) Are difficult or impractical to regulate based upon location;

(d) Are not open to the public during normal business hours;

(e) Are impractical to regulate, based upon unique design; or

(f) Would not be benefited by regulation, based upon the insignificant amount of energy possible to conserve.