EPA Method 548.1 Analyte Back Catalog number: 30277 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684163 D6-Mecoprop, 100 µg/ml, Acetonitrile, 1ml Price on request 97817 4-n-Nonylphenol Price on request 17208 Toxaphene Price on request