EPA Method 8330 Analyte Back Catalog number: 79070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1446.14-K-IO 4-tert-Octylphenol, 1000µg/ml in Isooctane, 1ml Price on request 50330 Cation Mix #1 Price on request XA10331000AL Atrazine-desethyl 100 µg/mL in Acetonitrile, 1ml Price on request