EPA Method 8330 Analyte Back Catalog number: 79248 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50461 Copper AA Standard (Cu) Price on request 673940 Chlorantraniliprole, 10.0 µg/ml, Acetonitrile, 1 Price on request 58081 Thallium (Tl) Price on request