PCB Congener Internal Standard Mix Back Catalog number: 94569 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677975 Disulfoton, 100 µg/ml, Toluene, 1ml Price on request 673202 Atrazine, 10.0 µg/ml, Acetonitrile, 10ml Price on request 95047 Method 8081/608 Pesticide Mix, in Ethylacetate, 1ml Price on request