EPA Method 539Mix #2 Back Catalog number: 96885 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3237.21-K-IO 12-cis-Heneicosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3515-84-2 Price on request 2770.7-100-ME Simazine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 122-34-9 Price on request B-250S Dow FR-250, 100µg/ml in Isooctane, 1ml Price on request