GFAA Calibration Back Catalog number: 53314 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4375-K-IP EPA 604, Surrogate Standard as PFB derivatives S-4375 1 Analyte, 200 µg/mL in methanol, 5mL or 1mg/mL in isopropanol, 1mL 2,4,6-Tribromophenol-PFB Price on request 678375 Cypermethrin, 100 µg/ml, Acetonitrile, 5ml Price on request 70257 Propazine Price on request