EPA Method 515.1 Surrogate Standard Back Catalog number: 30022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9684.6-K-IO Hexamethylcyclotrisiloxane, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 541-05-9 Price on request 673936 Fipronil-sulfone, 100 µg/ml, Acetonitrile, 5ml Price on request 11322.10-K-AN Phenacetin,1000 µg/mL,acetonitrile,1mL, Price on request