PCB Mix 5 ppb Back Catalog number: 95018 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677972 Chlorpyrifos-methyl, 100 µg/ml, Toluene, 1ml Price on request 93901 Volatile Standard Price on request 677019 Imidacloprid olefin, 10 µg/ml, Acetonitrile, 10m Price on request