Okla. Stat. tit. 27A, § 27A-2-7-405: Authority to employ or contract with remediation

service of choice - Hazardous conditions exception.

The provisions of this act shall not preclude any person in need

of any highway remediation or cleanup service from employing or

contracting with any licensed highway remediation service of choice,

except where hazardous conditions exist which pose an imminent

threat to human health or the environment, in which case a law

enforcement officer may contact any available highway remediation

and cleanup service operator or any other provider of a needed

service as the officer deems necessary as safety and time conditions

warrant.