2. In article 2(1) of the 1992 Order (interpretation)–
(a)the definitions of “hazardous activity”, “hazardous substance” and “notifiable quantity” shall be deleted;
(b)the following definition shall be inserted after the definition of “national scenic area”:–
““notifiable pipe-line” means a pipe-line, as defined in section 65 of the Pipe-lines Act 1962((1)), which contains or is intended to contain a hazardous substance, as defined in regulation 2(1) of the Notification Regulations((2)), except–
a pipe-line the construction of which has been authorised under section 1 of the Pipe-lines Act 1962; or
a pipe-line which contains or is intended to contain no hazardous substance other than–
a flammable gas (as specified in item 1 of Part II of Schedule 1 to the Notification Regulations) at a pressure of less than 8 bars absolute; or
a liquid or mixture of liquids, as specified in item 4 of Part II of that Schedule;”.