EPA 8240B Calibration Standard Back Catalog number: 98430 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50012 Multi-Element Calibration Standard-2A Price on request 1313.10-100-IOX5 1-Fluoronaphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 321-38-0 Price on request 673690 Pyrimethanil, 100 µg/ml, Ethyl acetate, 5ml Price on request