EPA Method 6020 / 6020A - Mix B Back Catalog number: 53331 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3436.11-100 Mecoprop methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23844-56-6 Price on request 0887.13-500-IO 4-Methyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7372-88-5 Price on request 94835 CLP Semi-Volatile Calibration Mix #3 Price on request