EPA Method 507 Analyte Mix #8 Back Catalog number: 94131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678105 Pyracarbolid, 100 µg/ml, Acetonitrile, 1ml Price on request 0686.29-100-IO (24S)-24-Ethylcholesta-3,5,22-triene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 102491-96-3 Price on request DD-1278-S 1,2,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request