Petal Gas Storage Company

Original Volume No. 1

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Effective Date: 08/16/1999, Docket: RP99-443-000, Status: Effective

Second Revised Sheet No. 102 Second Revised Sheet No. 102 : Effective

Superseding: First Revised Sheet No. 102

GENERAL TERMS AND CONDITIONS

(continued)

2.8 Day means a period beginning at 9:00 a.m. Central Clock Time, and

ending on the following 9:00 a.m. Central Clock Time.

2.9 Dekatherm means ten (10) therms, which is equal to one-million

(1,000,000) British thermal units (Btus).

2.10 EBB means Petal's electron bulletin board, or other system using

FERC-approved GISB standardized Internet protocols.

2.11 FERC or Commission shall mean the Federal Energy Regulatory

Commission or any successor agency.

2.12 The term gas means natural gas in its natural state, produced

from wells, including casinghead gas produced with crude oil,

natural gas from gas wells and residue gas resulting from

processing both casinghead gas and gas well gas.

2.13 The term interruptible means that the storage service is subject

to interruption at any time by Petal. An interruptible Customer

may be required to withdraw gas from interruptible Storage

Capacity, should such capacity be required by a firm customer or

by another interruptible Customer willing to pay a higher rate

than the weighted average of the Standby Capacity Charge and

Standby Deliverability Charge being paid by the interruptible

Customer.

2.14 Maximum Daily Injection Quantity or "MDIQ" means the maximum

quantity of gas specified in Customer's storage service agreement

that Customer may nominate and deliver and that Petal shall

receive at a Point of Receipt for injection into storage each Day

at constant hourly rates of flow over the course of such Day

(excluding Fuel Reimbursement).

2.15 Maximum Daily Withdrawal Quantity or "MDWQ" means the maximum

daily withdrawal quantity of gas specified in Customer's storage

service agreement that Customer may nominate and that Petal shall

withdraw from storage and tender to Customer at a Point of

Delivery each Day at constant hourly rates of flow over the

course of such Day.

2.16 MMBtu means one million (1,000,000) British thermal units. MMBtu

is measured on a day basis at 14.73 psia and 60 degrees

Fahrenheit.