EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680166 Butyric acid, 1ml Price on request 684339 D8-Morpholine, 100 µg/ml, Acetonitrile, 1ml Price on request 12150.15-100-ME Oxadiazon,100 µg/mL,MeOH,1mL, Price on request