EPA Method 548.1 Analyte Back Catalog number: 30277 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675583 Thiofanox-sulfoxide, 10.0 µg/ml, Acetonitrile, 1 Price on request 9057.7-K-IP 4,5-Dichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2460-49-3 Price on request 38122 CWA Organochlorine Pesticides Price on request