6020Low Intermediate Standard Back Catalog number: 50649 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PCB-ISS-H Mass-Labelled PCB Internal/Recovery Standards, 1.2ml, nonane Price on request 679512 Alodane, 100 µg/ml, Cyclohexane, 1ml Price on request 91518 Aroclor 1260 Price on request