PCB Mix 3.0 ppb Back Catalog number: 95275 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10412.4-K-ME Sodium DL-3-hydroxybutyrate-3,4,4,4-d4 Price on request 31083 EPA Method 507/525 Analytes Mix #2 Rev.1 Price on request 677364 Fluoranthene, 100 µg/ml, Cyclohexane, 1ml Price on request