Del. Code Ann. tit. 26, § 822
Interstate pipelines
76 Del. Laws, c. 393, § 1;
The Public Service Commission shall have the authority to enter into agreements with the Secretary of the United States Department of Transportation, pursuant to 49 U.S.C. § 60106(b), to participate in the oversight of interstate pipeline transportation. Such participation may include inspection and investigatory duties but shall not include the enforcement of safety standards for interstate pipeline facilities.