EPA Method 611 - Analytes Back Catalog number: 19107 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-1613LCS Labelled Compound Stock Solution, in Nonane/3.2% toluene, 1,2ml Price on request 57952 Tellurium (Te) Price on request 672814 Atrazine, 250mg Price on request