EPA Method 507/525 Analytes Mix #2 Back Catalog number: 30083 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90438 2,3,5,6-Tetrachlorophenol Price on request 8509.18-K-IO 1,1,1,3,16,18,18,18-Octachlorooctadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 10153.14-100-AN o-Aminoazotoluene,100 µg/mL,acetonitrile,1mL, Price on request