. . . . . . . . . . . . . "Unavailable"@en . "CB180_CW_WT_W" . "Concentration of 2,2',3,4,4',5,5'-heptachlorobiphenyl {PCB180 CAS 35065-29-3} per unit volume of the water body [dissolved plus reactive particulate . "SDN:P01::IC000146" . . . . . "accepted"@en . .