The provisions of this chapter shall apply to transporters regulated under the provisions of P.L. 91-458, enacted by the congress of the United States, October 16, 1970; provided, however, such transporters shall be subject only to standards equivalent to and no more stringent than standards in the Resource, Conservation and Recovery Act of 1976, as amended, 42 U.S.C. § 6901 et seq., or regulations promulgated thereunder.