EPA Method 532 Standard Back Catalog number: 30196 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2589.32 Dinaphtho[2,1,8,7-defg;2',1',8',7'-ijkl]pentaphene, Please inquire, Solvent-, Unit , # of units-, Cas.no. 188-90-9 Price on request 680599 Cerotic acid, 100 µg/ml, Acetonitrile, 1ml Price on request 91915 Blank Soil - Organics Price on request