gamma-HCH, 100 µg/ml, Cyclohexane, 5ml Back Catalog number: 673955 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9719.2-1G Oxalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 144-62-7 Price on request EPA-8290HRCC1-5 EPA Method 8290 Calibration Kit, 5 ampoules, nonane Price on request 53140 EPA 1620 Standard 2 Price on request