High Concentration Mix #1 Back Catalog number: 60008 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-23CS1-5 EPA Method 23 Calibration Kit, 5 ampoules, nonane Price on request 3830.3-K-ME 2,3-Dichloro-1-propanol,1000 µg/mL,MeOH,1mL, Price on request 675761 Heptachlor endo-epoxide, 10.0 µg/ml, Ethyl acetat Price on request