Recovery Standard Solution, 1.2ml, nonane Back Catalog number: EPA-8280RS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 677052 Tolfenamic acid, 100mg Price on request 3572.10-K-IO 8-Methylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 611-32-5 Price on request 2514.7-K-ME 4-Hydroxybenzoic acid, 1000µg/mL in MeOH, 1ml Price on request