EPA Method 8270A - Analytes Mix #8 Back Catalog number: 10118 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11972.29-100MG Loperamide hydrochloride,neat,neat,100mg, Price on request 673353 Methidathion, 100 µg/ml, Acetonitrile, 5ml Price on request 63065 2,3,5,6-Tetrachlorobiphenyl (65) Price on request