EPA Method 8260B Surrogate Standard Back Catalog number: 23004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended RPC-021AS 2,2,5-Trichlorobiphenyl (BZ-18) 38,94 € 29,21 € 71669 2,3,4-Trichloroanisole Price on request 678104 Prothiofos, 100 µg/ml, Acetonitrile, 1ml Price on request