Southwest Gas Storage Company

Original Volume No. 1

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Effective Date: 04/01/1999, Docket: CP97-237-001, Status: Effective

First Revised Sheet No. 96 First Revised Sheet No. 96 : Superseded

Superseding: Original Sheet No. 96






(d)Seller shall have the unqualified right to commingle gas

stored hereunder with gas from other sources, and to treat

and handle all such gas as its own. It is recognized that

gas redelivered will not be the same molecules as those

received at the Point of Receipt.


(e)Buyer may witness Seller s installation or maintenance of

measuring equipment. Seller shall not be required to verify

accuracy more often than once during any thirty (30) day

period. If, upon test, accuracy is found to be within 2% by

volume (chromatograph/calorimeter within 0.5%), such

equipment shall be assumed to be accurate. Any error

exceeding these percentages will require correction to zero

error of previous recordings back to the date error began.

If beginning date of error is unknown, correction shall

extend to one-half the time since the last test, not to

exceed sixteen (16) days.


(f)Upon termination of storage service, Buyer will balance any

final imbalance within sixty (60) days of the date that

Seller notifies Buyer of any final imbalance. If at the end

of such final balancing period, Seller owes Buyer gas which

Buyer has not received, Seller will retain those quantities

free and clear of any adverse claims.


6.3Conditions of Injection and Withdrawal


The MAQ shall be stated in the Storage Service Agreement.


(a)Injections Into Storage


(1) Buyer's MIQ shall be:


(a) West Area Storage Facilities


(i)1/180th of the MAQ until ninety percent

(90%) of the MAQ has been injected;


(ii)Thereafter sixty percent (60%) of the

volume specified in 6.3(a)(1)(a)(i) above

until ninety-five percent (95%) of the MAQ

has been injected;


(iii)Thereafter thirty-five percent (35%) of

the volume specified in 6.3(a)(1)(a)(i)