EPA Method 508 - Performance Check Solution Back Catalog number: 19132 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended I274992 Imidacloprid-d4, 2,5mg Price on request S-4059-0-BX5 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 680784 Propyzamide, 10 µg/ml, Cyclohexane, 10ml Price on request