EPA Method 515.1 Analytes - Underivatized Back Catalog number: 83596 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12122.18-100MG Ofloxacin,neat,neat,100mg, Price on request 680416 Glycine, 250mg Price on request 79309 Permethrin (mixed isomers) Price on request