EPA Method 8141 Surrogate Standard Back Catalog number: 92387 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52071 Spiking Standard 5 Price on request 674746 Bromoxynil-methyl ether, 10 µg/ml, Acetonitrile, Price on request 56280 Mercury (Hg) Price on request