Internal Standard Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-513ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 91531 PAH Standard Price on request 9502.12-100-ME Sotalol HCl, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 959-24-0 Price on request 94874 MBO 524 Concentrate Price on request