PSA-Mix 3 Back Catalog number: 674486 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 91424 EPA Method 507 Analyte Mix #10 Price on request 673989 alpha-Cypermethrin, 100 µg/ml, Cyclohexane, 5ml Price on request 675242 N,N-Dimethylsulfamide, 100 µg/ml, Acetonitrile, Price on request