QC Standard 2 Back Catalog number: 52085A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30102 EPA Method 551.1 Surrogate Standard Price on request 680266 Trichlorfon, 10 µg/ml, Cyclohexane, 10ml Price on request M4H187 2,2',3,4',5,5',6-Heptachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Price on request