The enforcing officer and other duly authorized employees of the government bearing proper credentials and identification shall be permitted to enter all properties for the purposes of inspection, observation, measurement, sampling, and testing in accordance with the provsions of this chapter. The enforcing officer or his representatives shall have no authority to inquire into any processes including metallurgical, chemical, oil, refining, ceramic, paper, or other industries beyond that point having a direct bearing on the kind and source of discharge to the sewers or waterways or facilities for waste treatment.History: Env. Qual. Comm. Regs., err prior to 1975, § 10.26.