EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674475 Pentachlorothioanisole, 100mg Price on request 675787 Tralkoxydim, 100 µg/ml, Acetonitrile, 5ml Price on request 684571 D10-Napropamide, 100 µg/ml, Acetonitrile, 1ml Price on request