Surrogate Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23SSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0689.29-100-IO 17ß(H)-28-Norlupane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 134501-93-2 Price on request 94838 Acids Calibration Level 1 Price on request 15900-3000-100AN5 Lenacil, 100µg/ml in Acetonitrile, 5ml Price on request