EPA Method 8020 Analytes Back Catalog number: 19214 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3893.5-100-ME 3-Methyl-2-buten-1-thiol,100 µg/mL,MeOH,1mL, Price on request 676304 Levamisole hydrochloride, 250mg Price on request 3090.12-50-IO 3-Bromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2113-57-7 Price on request