Semi-Volatile Standard Back Catalog number: 92388 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31079 EPA Method 549.1 Analytes Price on request 678665 S-Metolachlor Metabolite CGA 50267, 100 µg/ml, Ac Price on request X9160 Aroclor 1221 Price on request