EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2689.34-10UG 17 alpha(H),21ß(H)-(22R)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-14-1 Price on request BDE-10 2,6-Dibromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 10152.7-200-MEX5 o-Anisidine Price on request