beta-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680443 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended ACQ-SE05-030 Ethanol standard in serum,0.5g/L,serum, 3mL Price on request 0047.24-10MG 1-Nitrocoronene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 81316-84-9 Price on request 53120 EPA Method 353.2 Nitrate + Nitrite Price on request