. . . . . . . . . . . "Diss_PCB188_Unfilt" . . . . "SDN:P01::SCES0048" . . . "accepted"@en . "Concentration of 2,2',3,4',5,6,6'-heptachlorobiphenyl {PCB188 CAS 74487-85-7} per unit volume of the water body [dissolved plus reactive particulate phase]"@en . "Amount (mass or number of moles) of the analyte per unit volume of an unfiltered sample of any fresh or salt water body."@en . . . .