EPA 1620 Standard 2 Back Catalog number: 52140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681110 Carbophenothion-methyl, 10.0 µg/ml, Cyclohexane, Price on request 10631.12-50-T 1,2,3,7,8-Pentabromodibenzofuran Price on request MPCB-MXB Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane Price on request