Okla. Admin. Code § 35:37-3-22
Products shall be protected from contamination from any source such as dust, dirt, or insects during the storage, loading, or unloading at and transportation from official establishments. Products shall have a maximum temperature of 50°F. before removal from the official establishment. All forms of transportation should be capable of maintaining a temperature of product so as not to exceed 55°F. at the point of destination.
Added at 21 Ok Reg 1181, eff 5-27-04