Amend CSSB 310 as follows: (1) Between SECTIONS 52 and 53 of the bill (House Committee Printing page 73, between lines 23 and 24), insert the following section, appropriately numbered, and renumber the subsequent sections accordingly: SECTION __. Subchapter B, Chapter 117, Natural Resources Code, is amended by adding Section 117.016 to read as follows: Sec. 117.016. REPLACEMENT OF PIPE. (a) Before an intrastate or interstate pipeline system that was originally used to transport crude oil may be used to transport petroleum products, the owner or operator of the system must replace with new pipe each part of the system that: (1) was constructed before January 1, 1970; and (2) passes over or under public drinking water supplies, state-owned natural resources, or critical groundwater resources, is located within 1,250 feet of a school, or passes through an area in which the principal land use is for private residences. (b) An owner or operator of a pipeline system is not required to comply with Subsection (a) if the commission certifies, after review, that the part of the system does not pose a significant risk to public drinking water supplies, state-owned natural resources, critical groundwater resources, or public safety. (c) The commission may issue a certification under Subsection (b) without holding a hearing unless an affected person, as determined by commission rule, files a written request for a hearing. (2) In SECTION 68 of the bill, between Subsections (d) and (e) (House Committee Printing page 84, between lines 13 and 14), insert the following subsection, appropriately lettered, and reletter the subsequent subsections accordingly: (_) Section 117.016, Natural Resources Code, as added by this Act, applies only to a pipeline system that begins operation as a pipeline transporting petroleum products on or after the effective date of this Act.