(Use Part# 82423) EPA Method 8240A Mix #3 Back Catalog number: 82403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H281155-250MG N-Heptanoylglycine, 250mg Price on request 674748 Flufenacet, 10.0 µg/ml, Acetonitrile, 10ml Price on request 59346 Anions Mix - Chloride + Sulfate as SO42- Price on request