EPA Method 6020/6020A - Mix B Back Catalog number: 52331 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79394 Bromoxynil methyl ether Price on request 8853.8-K-IO 2-n-Propoxy-3(5)-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 2900.27-600-10HX Cholest-5-en-3ß-ol , 600µg/mL, Solvent-n-hexane, Unit 10mL, # of units-1, Cas.no. 57-88-5 Price on request