EPA Method 622.1 Analytes Back Catalog number: 40019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9281.22-100MG Tadalafil, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 171596-29-5 Price on request 3437.15-100-EA Metalaxyl Price on request 0013.16-100-T 1,3-Dinitropyrene, 100µg/ml in Toluene, 1ml Price on request