Surrogate Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23SS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0043.18-100-T 7-Nitrobenz[a]anthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 20268-51-3 Price on request 690298 Flucloxacillin Sodium, 250mg Price on request 15900-0890-100AN5 Chlorpyriphos-ethyl, 100µg/ml in Acetonitrile, 5ml Price on request