Oregon Revised Statutes Food and Other Commodities: Purity, Sanitation, Grades, Standards, Labels, Weights and Measures § 616.341

Any added poisonous or deleterious substance, any food additive, any pesticide chemical in or on a raw agricultural commodity or any color additive, with respect to any particular use or intended use, shall be considered unsafe for the purpose of application of ORS 616.235 unless there is in effect a rule promulgated pursuant to ORS 616.366 limiting the quantity of such substance, and the use or intended use of such substance conforms to the terms prescribed by such rule. While such rule relating to such substance is in effect, a food shall not, by reason of bearing or containing such substance in accordance with the rule, be considered adulterated within the meaning of ORS 616.235.