EPA Method 1618 Organochlorine Mix C Back Catalog number: 20138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1982.8-K-MEX5 Di-n-butyltin dichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 683-18-1 Price on request 73313 Methyl-5,8,11,14,17-eicosapentaenoate (C20:5n-3) Price on request 2517.8-500MG Caffeine, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 58-08-2 Price on request