EPA Method 602 - Purgeable Aromatics Back Catalog number: 19196 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1391.30-1MG 17ß(H),21ß(H)-22-Hydroxyhopane, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 1721-59-1 Price on request 96587 Pseudoephedrine Price on request 0026.40-10UG Quaterrylene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 188-73-8 Price on request