. . . . "Concentration of PCB52 measured in a settled dust sample taken from a household" . . "Concentration of PCB52 in a settled dust sample" . . . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDf2pIMH+lWdxLr57z5pnARHiHLKo2J0kCw/tfj//WpFcdEs9c95kowA8R2uR/fSbL9wYS/OZAz0CV1tAeynxbGoyvYQAEUIAXkqC88NBR4uQeyF0rEwCujGHs8HGQLFuRpdWjf2OsyH3hc+6PNHmWksgD2g8AJU7ujPoksI7T9MwIDAQAB" . "1bHveVI3QKucdk5UQqPKI7LB2UPwvH0qWthFTmQbZDRJOs8YJL8ATbF66zeAC71qPlLdMtbFam2Lvdm+CMQ0P8JXec6EeHTe/Ljh4l7h6CLZH351LCIFZyhduy5+x025LfYJKFDMKK54Yg2CUp4ufcmwtKBD/don0P4j/bis2Mk=" . . "2023-10-17T10:01:43.443Z"^^ . . . . . . . .