Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 83530 Triclopyr Price on request 673309 Formetanate hydrochloride, 100 µg/ml, Acetonitril Price on request 678564 Bixafen, 10.0 µg/ml, Acetonitrile, 10ml Price on request