PCB Congener Mix #2 Back Catalog number: 94980 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2041.4-10MG Perfluorobutane sulfonic acid Price on request 82515 EPA Method 8250 - Acid Matrix Spiking Solution Price on request 79325 Decafluorobiphenyl Price on request