EPA Method 622.1 Analytes Back Catalog number: 40019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50037 Sodium Sulfate (SO42-) Price on request S-4059-0.5-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 673718 Trifloxystrobin, 100 µg/ml, Ethyl acetate, 5ml Price on request