Component Information for QCM-240ComponentQuantityOne or two Aroclor(s) randomly selected from the following list:Aroclor 1016 (PCB 1016)0.1 - 10 μg/LAroclor 1221 (PCB 1221)0.1 - 10 μg/LAroclor 1232 (PCB 1232)0.1 - 10 μg/LAroclor 1242 (PCB 1242)0.1 - 10 μ