Sea Robin Pipeline Company

First Revised Volume No. 1

Effective Date: 06/30/2000, Docket: RP00-301-000, Status: Effective

Fifth Revised Sheet No. 17 Fifth Revised Sheet No. 17 : Superseded

Superseding: Fourth Revised Sheet No. 17

GENERAL TERMS AND CONDITIONS

(Continued)

1.22 SoNet Premier - Transporter's electronic computer system as

more specifically described in Section 24 hereof. SoNet Premier is

also referred to herein, from time to time, as SoNet.

1.23 SCADA - Is the acronym for Supervisory Control and Data

Acquisition, the name given electronic measurement and communication

equipment on the System.

1.24 Dekatherm (Dth) - The Standard thermal unit for purposes

of nominations, scheduling, invoicing and balancing in the United

States. One Dth is equivalent to one MMBtu.

1.25 Central Clock Time - The time in the Central Time Zone, as

adjusted for Daylight Savings Time and Standard Time. Unless otherwise

specified herein, all times stated in this tariff are Central Clock

Time.

1.26 Business day - Monday through Friday, excluding Federal

Banking holidays for transactions in the United States and similar

holidays for transactions occurring in Canada and Mexico.

1.27 Critical notices - Those notices issued by Transporter

which contain information about conditions that affect scheduling of

service by Transporter or adversely affect scheduled gas flow.

1.28 GISB - The Gas Industry Standards Board.

1.29 GISB Standard - The standards issued by GISB and adopted by

the Federal Energy Regulatory Commission in its regulations governing

interstate natural gas companies.