Food may not contain unapproved food additives or additives that exceed amounts specified in 21 CFR Sections 170-180 relating to food additives, generally recognized as safe or prior sanctioned substances that exceed amounts specified in 21 CFR, Sections 181-186, substances that exceed amounts specified in 9 CFR, Subpart C Section 424.21(b), food ingredients and sources of radiation, or pesticide residues that exceed provisions specified in 40 CFR, Part 180 Tolerances and Exemptions for Pesticides Chemicals Residues in Food.
Okla. Admin. Code § 310:258-7-3