EPA Method 531.1 - Analytes Back Catalog number: 30042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97031 8260Matrix Spike Price on request 1982.8-K-5IO Di-n-butyltin dichloride, 1000µg/mL, Solvent-isooctane, Unit 5mL, # of units-1, Cas.no. 683-18-1 Price on request 677867 Tembotrione, 100 µg/ml, Acetonitrile, 1ml Price on request