EPA Method 502.2/524.2 - Liquids Back Catalog number: 35071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C10861500 1-Butanol, certified, 5ml Price on request 0963.9-K-CY 3-Methyloctane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2216-33-3 Price on request B203550 Benzoestrol, 10mg Price on request