EPA Method 515.1 Surrogate Standard Back Catalog number: 30022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1155.35-K-IO n-Pentatriacontane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 630-07-9 Price on request 673858 Acifluorfen, 100 µg/ml, Acetonitrile, 5ml Price on request 0991.13-100-IO 2-Methyl-1-hexylcyclohexane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 92031-89-5 Price on request