Recovery Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23RS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 673565 Endrin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 9745.21-100-ME 11-OH-delta-9-THC, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 677856 Flupyradifurone, 100 µg/ml, Acetonitrile, 1ml Price on request