EPA Method 8325 Surrogate Standard Back Catalog number: 82483 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50196 Phosphate (PO43-) as P Price on request 94491 Phenol Mix Price on request 681220 D3-Glufosinate hydrochloride, 100 µg/ml, Water, Price on request