MIGC LLC

Second Revised Volume No. 1

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Effective Date: 06/13/2008, Docket: RP08-376-000, Status: Effective

Original Sheet No. 49A Original Sheet No. 49A TRANSPORTATION GENERAL TERMS AND CONDITIONS (Continued) 6. Critical Notices - Pertain to information on transportation serviceprovider conditions that affect scheduling or adversely affect scheduled gasflow. 7. Data Dictionaries - shall mean those documents created by theStandards Board which implement the Standards Board Standards, and whichspecifically define the business names for the various elements of theStandards Board Standard data sets. The Data Dictionaries also definethe appropriate usage of the data element (for example, Mandatory,Conditional, Sender's Option, Business Conditional, and MutuallyAgreeable). Transporter has, as part of its implementation of theStandards Board Standards, incorporated by reference, the followingStandards Board Data Dictionaries: 1.3.2(vi), 1.4.1 through 1.4.7, 2.4.1through 2.4.16, 3.4.1 through 3.4.4, 5.4.1 through 5.4.22 and thestandards contained in Recommendation R02002. 8. Day - A period of twenty-four (24) consecutive hours (except forthose days adjusted for Daylight Savings Time) commencing at nine (9:00) a.m.Central Clock Time (eight (8:00) a.m., Mountain Clock Time). 9. Dekatherm ("Dth") - One dekatherm is the quantity of heat energyequivalent to one million British thermal units (MMBtu). Dth is the standardquantity for Nomination, Confirmations and Scheduling per gas day in theUnited States, gigajoules per gas day in Canada and gigacalories per gas dayin Mexico. (For reference, one (1) dekatherm = 1,000,000 Btu's; 1gigajoule = 1,000,000,000 joules; and 1 gigacalorie = 1,000,000,000calories.) For commercial purposes the standard conversion factor betweendekatherms and gigajoules is 1.055056 gigajoules per dekatherm and betweendekatherms and gigacalories is 0.251996 gigacalories per dekatherm.The standard Btu is the International Btu which is also called the Btu (IT);the standard joule is the joule specified in the SI system of units. (TheInternational Btu is specified for use in the gas measurement standards ofthe American Gas Association, the American Petroleum Institute, the GasProcessors Association and the American Society for Testing Materials. Fornon-commercial purposes these associations note that the exact conversionfactor is 1.05505585262 Gigajoules per Dekatherm.) For purposes of thistariff and associated Service Agreements, MMBtu and Dth are consideredsynonymous.