EPA Method 8240A Mix #3 Back Catalog number: 82423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ACQ-WH30-015 Ethanol standard in whole blood,3.0g/L,whole blood, 1.5mL Price on request 72134 Cyanocobalamin Price on request A15935000WL-100 Penicillin G potassium, 100µg/mL in Acetonitrile, 1ml Price on request