MA - VPH Surrogate Spike Back Catalog number: 92368 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678012 Acephate, 100 µg/ml, Toluene, 1ml Price on request 674981 Cyhalofop-butyl, 50mg Price on request DF-123467-S 1,2,3,4,6,7-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request