EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2700.8-10MG Isocaffeine (1,3,9-Trimethylxanthine), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 519-32-4 Price on request BDE-177 2,2',3,3',4',5,6-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 51189 Unleaded 93 Octane (ETOH) 50% Weathered Price on request