EPA Method 548.1 Analyte Back Catalog number: 30177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70085 4-Chlorophenyl phenyl ether Price on request NG-15100-1G Benzoic acid sodium salt, 1g Price on request 680889 D3-Glufosinate hydrochloride, 10mg Price on request