Multi-Element Calibration Standard-2A Back Catalog number: 50012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83599 EPA Method 8150A Price on request 58013 Aluminum (Al) Price on request DD-123468-S 1,2,3,4,6,8-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request