gamma-HCH, 250mg Back Catalog number: 673954 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1226.16-K-IO Di-n-butyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84-74-2 Price on request ACQ-AQ03-115 Ethanol standard in water,0.3g/L,water, 1.5mL Price on request 30020 EPA Method 508A DCB Stock Solution Price on request