EPA Method 1618 Organochlorine Mix C Back Catalog number: 20138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8393.6-10MG Levoglucosan, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 498-07-7 Price on request 50230 Mix #1 Price on request 2620.32-10UG 17 alpha(H),21 alpha(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 105498-25-7 Price on request