Alternative Standard, 1.2ml, nonane Back Catalog number: EPA-23AS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 680367 Chrysene, 100 µg/ml, Acetonitrile, 1ml Price on request A13711017AL-100 Flufenacet-ethane sulfonic acid (ESA) sodium, 100µg/mL in Acetonitrile, 1ml Price on request 676896 D6-Chlorotoluron, 100 µg/ml, Acetone, 1ml Price on request