EPA Method 524.2 - Additional Analytes Back Catalog number: 34052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10991.6-10MG N-Nitroso-N-ethylbutylamine,neat,neat,10mg, Price on request 675170 Pyroxsulam, 100 µg/ml, Acetonitrile, 1ml Price on request 66137 2,2',3,4,4',5-Hexachlorobiphenyl (137) Price on request