QC Standard 1 Back Catalog number: 52084 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680814 (Z)-Dimethylvinphos, 10 µg/ml, Cyclohexane, 10ml Price on request 40011 EPA Method 614 - Analytes Price on request 71574 2,4,5-Trichlorophenol-PFB derivative Price on request