Thecurrentapplicablerelease&dispersionmodelsarereviewed.AtypicalmodelisdevelopedonthebasisofLPGstorageconditionsinChinaandtheauthors'research.ThestudyisfocusedontherelationshipbetweenLPGcompositionandreleaserate,andontheinfluenceofbuildingsorstructureslocatedinthesurroundingareaonthedispersionofgasplume.Theestablishedmodeliscomparedwithexistingmodelsbytheuseofpublishedfieldtestdata.