Transwestern Pipeline Company

Second Revised Volume No. 1

Effective Date: 04/01/1997, Docket: RP97- 18-003, Status: Effective

Fourth Revised Sheet No. 58 Fourth Revised Sheet No. 58 : Effective

Superseding: Third Revised Sheet No. 58

GENERAL TERMS AND CONDITIONS

(continued)

primary and secondary elements, shall be installed and operated as set

forth in the latest edition of ANSI/API 2530 (AGA-3), approved May 1985,

as may be superseded from time to time, for orifice meters; AGA Gas

Measurement Manual Part 2, as may be amended from time to time, for

displacement meters; and AGA Gas Measurement Manual Part 4 and AGA

Transmission Measurement Committee Report No. 7, as may be amended from

time to time, for turbine meters. The Non-Measuring party shall have

access to such measuring equipment at all reasonable hours, but the

reading, calibrating and adjusting thereof and the changing of charts

shall be done only by the Measurer.

B. The party performing measurement at an interconnect point as required by

this Tariff ("Measurer") shall furnish the interconnecting party not

performing measurement at an interconnect point ("Non-Measurer") by the

5th business day after the end of each production month a statement

reflecting the quantity of gas received or delivered during the previous

month.