EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79305 1,4-Dioxane-d8 Price on request 94312 Chlorinated Pesticides Standard Price on request 8961.21-100-T 3-Chloro-1,2-propandiol-2-monooleate Price on request