Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 3336.10-100-CY Chlordane, trans-gamma, 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 5103-74-2 Price on request 673676 Prochloraz, 100 µg/ml, Ethyl acetate, 5ml Price on request 92588 Pesticide Standard Price on request