EPA Method 525 Pesticide Standard Sub Conc Back Catalog number: 98307 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1984.3-KIT-S Butyltin chlorides Kit (solutions, 1983.4, 1982.8, 1981.12), , Solvent-, Unit Kit, # of units-, Cas.no. Price on request 9562.14-K-IO Dibutylphenylphosphate, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2528-36-1 Price on request 673546 Dichlorvos, 100 µg/ml, Ethyl acetate, 5ml Price on request