ARM 17.56.802. COMPLIANCE DATES

(1) Owners of petroleum underground storage tanks are required to comply with the requirements of this subchapter by the following dates: (a) All petroleum marketing firms owning 1,000 or more USTs and all other UST owners that report a tangible net worth of $20 million or more to the U.S. Securities and Exchange Commission (SEC), Dun and Bradstreet, the Energy Information Administration, or the Rural Electrification Administration; effective date of this rule. (b) All petroleum marketing firms owning 100-999 USTs; effective date of this rule. (c) All petroleum marketing firms owning 13-99 USTs at more than one facility; April 26, 1990. (d) All petroleum UST owners not described in (a), (b), or (c), including all local government entities; October 26, 1990.