EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675766 Isazofos, 100 µg/ml, Ethyl acetate, 5ml Price on request 8610.3-K-ME 2,3-Dichloro-1-propanediol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 616-23-9 Price on request 38240 2-MIB & Geosmin Price on request