13C LABELED PCB MIXTURE PCBS-77/101/141/178 10UG/ML IN NONANE Back Catalog number: EC-4060 Availability: In the manufacturer's stock Price on request - + Recommended 91848 Semi-Volatile Standard Price on request 31151 Dibromochloromethane Price on request ACQ-SE20-030 Ethanol standard in serum,2.0g/L,serum, 3.0mL Price on request