Appendix IX Mix #2 Back Catalog number: 95948 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31004 EPA Method 500 Series Internal Standard Price on request M258815-1G Metformin Hydrochloride, 1g Price on request 0146.18-500-IO 3-Phenyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104601-38-9 Price on request