EPA Method 552.1 - Haloacetic acid esters Back Catalog number: 31053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9284.17-K-ME Sertraline hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 79559-97-0 Price on request 673706 Tetradifon, 100 µg/ml, Ethyl acetate, 5ml Price on request 30004 EPA Method 500 Series Internal Standard #5 Price on request