Surrogate Mix Back Catalog number: 91986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79780 Chlorfenapyr, 1000µg/ml in Acetonitrile, 1ml Price on request 678119 D10-Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Price on request 71606 Dichlorophen Price on request