EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12002.34-K-IO Di-n-ditridecyl phthalate,1000 µg/mL,isooctane,1mL, Price on request 95824 Chlorinated Pesticide Standard Price on request 92588 Pesticide Standard Price on request