PCB Mix 2.5 ppb Back Catalog number: 95259 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DD-123789-S 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane Price on request 79268 m-Terphenyl Price on request 93540 Morpholine Standard Price on request