EPA Method 507 Analyte Mix #1 Back Catalog number: 30182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C11310200 Chlorhexidine dihydrochloride, certified, 0.25g Price on request 2079.6-K-IP 2,4-Dinitrophenol, stabilized with min. 30% water, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 51-28-5 Price on request 59421 IC Anions Mix B Price on request