EPA Method 8040A Analytes Mix “A” Back Catalog number: 80421 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2091.13-K-5IP 2,4,6-Tribromophenol-PFB, 1000µg/mL, Solvent-isopropanol, Unit 5mL, # of units-1, Cas.no. Price on request 1240.7-K-ME n-Heptane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 142-82-5 Price on request 50093 Hexavalent Chromium (Cr +6) Price on request