EPA Method 526 Surrogate Standard Back Catalog number: 93187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676629 Atropine, 250mg Price on request DD-12346789-S Octachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 72116 Butyl paraben Price on request