appendix a overview of pipeline design and operational factors energy information administration 79 policy act transportation study interim report on natural gas flows rates the principal requirement transmission peak demand underground storage facilities are also located in system is to be capable meeting day its production areas these sites used store that may customers who have contracts for firm service meet this not economically marketable at time developed by industry combination lines bring great majority classic mode market reservoirs closer injection summer withdrawal winter however new surges an increasing number older integrated represents series balances attempting devise most efficient economical mix delivery techniques given
