EPA Method 8081A Pesticide Standard B Back Catalog number: 92788 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10000.18 (1S,2R,3S,4R)-rel-1,2,3,4-Tetrahydro-1,2,3,4-chrysenetetrol , , Solvent-, Unit , # of units-, Cas.no. 127592-29-4 Price on request NCS DC73375 Limestone, 70g Price on request 673533 4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Price on request