EPA Method 6020 / 6020A - Mix B Back Catalog number: 53331 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C14867050 Mepanipyrim-2-hydroxypropyl, 10mg Price on request DF-1279-S 1,2,7,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request S-4200-ASS-CY Calibration Standard THC 20 Analytes, each concentration as listed in cyclohexane; unit : 6x1mL The working standard concentrations are: o-Terphenyl (ITSD) 200 µg/mL 5a-Androstane (ITSD) Price on request