EPA Method 625 Base/Neutrals Mix #2 Back Catalog number: 19115 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9516.12-100-IO 2,3,3',4,5,6-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 41411-62-5 Price on request C10320000 Atraton, 250mg Price on request 3433.11-100-CY MCPB Price on request