D8-1,4-Dioxane, 100 µg/ml, Methanol, 1ml Back Catalog number: 682029 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 30057 EPA Method 552 Surrogate Standard Methyl Ester Price on request 8611.3-K-ME 1-Chloro-3-propanol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 627-30-5 Price on request 81403 Chlorpyrifos, 1000µg/ml in Hexane 1ml Price on request