PCB Congeners (10 ppm) Back Catalog number: 97819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30141 Aldicarb Price on request 673273 Ethiofencarb-sulfone, 100 µg/ml, Acetonitrile, 5 Price on request 9281.22-10MG Tadalafil, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 171596-29-5 Price on request