EPA Method 8260B Surrogate Standard Back Catalog number: 23112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676092 Gestodene, 10mg Price on request DD-2378-S 2,3,7,8-Tetrachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane Price on request 59451 Conductance @ 20°C [84 µmho/cm] Price on request