. . "Quantity or mass of the specified compound contained per unit dry weight of suspended material extracted from an unspecified volume of a body of fresh or salt water by filtration or centrifugation."@en . . . "Concentration of cis-heptachlor epoxide {CAS 1024-57-3} per unit dry weight of suspended particulate material"@en . "SDN:P01::RWSPM013" . . "CAS1024-57-3_SPM" . "CAS1024-57-3_SPM"@en . . "accepted"@en . . . . . . . . . . . . . . .