EPA Method 525.2 Standard Back Catalog number: 92693 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0866.29-100-IO (20S,24R)-24-Ethyldiacholest-13(17)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 57819-19-9 Price on request 673333 Isoproturon, 100 µg/ml, Acetonitrile, 5ml Price on request 1007.8-1ML Ethylphenylsulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 622-38-8 Price on request