Silver (Ag) Back Catalog number: 57847 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2027.4-100-IO Hexachloro-1,3-butadiene, 100µg/ml in Isooctane, 1ml Price on request 83510 EPA Method 8315 Calibration Mix #2 Price on request DD-124-S 1,2,4-Trichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request