Surrogate Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23SSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0313.21-200-T Dibenz[a,h]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 226-36-8 Price on request 90952 Chlorobenzene Price on request 676669 Ethanol, 5ml Price on request