Surrogate Standard Back Catalog number: 92525 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673354 Chlorotoluron, 10.0 µg/ml, Acetonitrile, 10ml Price on request 63034 2’,3,5-Trichlorobiphenyl Price on request 30146 Glyphosate Price on request