EPA Method 505/507 - Pesticide Standard Back Catalog number: 91936 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended I721500 3-Iodo-L-thyronine, 10mg Price on request 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 82445 EPA Method 8260B Mix #5 Price on request