EPA Method 507 - Performance Check Solution Back Catalog number: 19030 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPCB-MXD Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane Price on request XA11290000CY Chlorfenvinphos, 100 ng/µl, 1ml Price on request 1892.12-100-DC Endrin, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-20-8 Price on request