ASTM D-4815 Calibration Mix #4 Back Catalog number: 51067 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1900.18-100-T 1-Fluorochrysene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 673616 beta-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request 674792 Dichlorophen, 250mg Price on request