Precision and Recovery Solution, 1.2ml, nonane Back Catalog number: EPA-513PAR Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 79552 Mestranol Price on request 52083 Instrument Standard 6 Price on request 2916.14-100 Acetochlor-d11 (2-ethyl-6-methylphenyl-d11), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1189897-44-6 Price on request