This amendment modifies many of the design, construction, testing, operation, and maintenance regulations in Part 195 as they relate to the offshore transportation by-pipeline In interstate or foreign commerce of hazardous materials, petroleum, or petroleum products. The amendment also enlarges the scope of Part 195 by deleting the exemption in § 195.1(b) (4) for rural gathering lines located offshore. The purpose of the amendment I- to more clearly delineate the applicability of Part 195 to offshore liquid pipelines and to better assure the safe operation of those pipelines. :In accordance 'with section V(a) of the Deepwater Port Act of 1974 (33 USC 1507(a)), the offshore pipelines subject to the regulations in Part 195 and this amendment include the pipeline facilities which are part of a deepwater port. Mozt of the amendments pertain to steel pipelines, which are the ones commonly used offshore. Part 195 does not provide general safety requirements for the transportation of commodities in pipelines made from materials other than steel. As 'provided by § 195.8, any transportation by pipeline made from material other than steel is regulated for safety on an individual basis.