EPA Method 645 Analytes Back Catalog number: 40059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673514 Chlorthion, 100 µg/ml, Ethyl acetate, 5ml Price on request S11133-0.05 3-Epi-25-Hydroxyvitamin D2, 50μg/ml, 1ml Price on request BDF-4 4-Bromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request