Internal Standard Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-513ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 8554.12-K-IOX5 Tetra-n-propyltin-d7 (mono-n-propyl-d7), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. Price on request 42002 EPA Method 601 Analytes Price on request MET-11013A-25MG Acetochlor ESA sodium salt, 25mg Price on request