Okla. Stat. tit. 2, § 1709
The authorized agents of the Board may inspect, sample, analyze and test soil amendments distributed in this state at any time and place, and to such extent as may be deemed necessary to determine whether such soil amendments are in compliance with this act. The Board and its employees or agents are authorized to enter upon public or private property during regular working hours in order to have access to soil amendments for the purpose of administering this act.
Laws 1975, SB 463, c. 181, § 9, emerg. eff. May 22, 1975.