188X703X825AENVIRONMENTALSCIENCEANDMANAGEMENT1673-1212(2006)04-0188-04189190191TheStudyontheRiskAssessmentofSludgeLandApplicationLIUChang-qing1.2,HUANGYou3,ZHANGJiang-shan4,ZHAOYou-cai5(1.3.4TheStateKeyLaboratoryofPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092,China2.FujianNormalUniversity,Fuzhou,350007,China)Abstract:Landapplicationisoneofeconomicalwayinthedispositionofsewagesludge.It'simportanttoassesstheriskcomingfromsludgelandapplication,whichisthepreconditiontoestablishreasonablerules.ThispaperintroducedhowEPAproposedpollutantlimitsbyriskassessmentmethodologiesanddiscussedsomeproblemswhenthesemethodsareusedinChina.Keywords:sludge;disposition;landapplication;riskassessment2006