EPA Method 531.1 - Analytes Back Catalog number: 30042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676760 Chlorsulfuron, 100 µg/ml, Acetonitrile, 1ml Price on request 0932.14-500-IO 1,2-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31317-14-3 Price on request 674540 D4-Picolinafen, 10.0 µg/ml, Acetonitrile, 10ml Price on request