EPA Method 625 Base/Neutrals Mix #3 Back Catalog number: 19116 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10003.18 (1S,2R,3R,4R)-rel-1,2,3,4-Tetrahydro-1,2,3,4-chrysenetetrol, , Solvent-, Unit , # of units-, Cas.no. 79356-06-2 (Unspecified sterochemistry) Price on request 676134 S-Metolachlor Metabolite CGA 50720, 100 µg/ml, Ac Price on request 11756.12-100-IO 2,2',3,3',4,5,5'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request