Surrogate Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23SS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended PHTH-012S Decyl octyl phthalate, 100µg/ml in MeOH, 1ml Price on request 0020.26-10UG (6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 187-83-7 Price on request 32027 EPA Method 525 Pesticide Mix #2 Price on request