PCBs Standard Solution 19 components (EPA 8082)_x000D_ 100ug/ml each of PCB 1 (2-Chlorobiphenyl) [CAS:2051-60-7] ; PCB 5 (2,3-Dichlorobiphenyl) [CAS:16605-91-7] ; PCB 18 [CAS:37680-65-2] ; PCB 31 [CAS:16606-02-3] ; PCB 44 [CAS:41464-39-5] ; PCB 52 (2,2',5,5'-Tetrachlorobiphenyl) [CAS:35693-99-3] ; PCB 66 [CAS:32598-10-0] ; PCB 87 [CAS:38380-02-8] ; PCB 101 [CAS:37680-73-2] ; PCB 110 [CAS:38380-03-9] ; PCB 138 [CAS:35065-28-2] ; PCB 141 [CAS:52712-04-6] ; PCB 151 [CAS:52663-63-5] ; PCB 153 [CAS:3