Artifacts that has radiation as a negative property means that, when wearing them, you'll slowly accumulate radiation you need to wear an anti-radiation artifact (ie. The list is initially sorted alphabetically, but you can click the Sort by type link in the table of content to sort the artifacts by their properties. This page provides information about all the different artifacts that are available in S.T.A.L.K.E.R.: Call of Pripyat. The Zone Survival Guide - Call of Pripyat - Artifacts
