EPA Method 8270C Pesticide Mix #25 Back Catalog number: 82723 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2641.40-10MG ßß-Carotene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7235-40-7 Price on request 79211 Ethion Price on request 2034.12-50-T 1,2,3,4-Tetrachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 30746-58-8 Price on request