EPA Method 527 Surrogate Standard Back Catalog number: 95053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-77 3,3',4,4'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 674588 Fenthion-oxon-sulfone, 10.0 µg/ml, Acetonitrile, Price on request 673701 Tebufenpyrad, 10.0 µg/ml, Ethyl acetate, 10ml Price on request