EPA Method 8240A - Purgeable Surr Std Back Catalog number: 20002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4059-2-10B Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C) Price on request 680626 Terbuthylazin Metabolite CGA 324007, 10mg Price on request 91059 Triadimefon Price on request