EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended LA14075000CY epsilon-HCH, 10 ng/µl, 1ml Price on request 3321.6-100-AN delta-HCH (BHC) Price on request 8803.20-K-IO 9-cis-Eicosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request