Appendix I Volatile Mix Back Catalog number: 93853 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90397 Surrogate Standard Price on request 14641.9-K-ME 4-Hydroxyamphetamine HCl, 1000µg/ml in MeOH, 1ml Price on request 57729 Copper (Cu) Price on request