Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 8459.9-100 Propanil, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 709-98-8 Price on request 93912 Agent Breakdown Mix #2 Price on request 8734.8-100MG 2,6-Dimethylolphenol, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 2937-59-9 Price on request