EPA Method 622.1 Analytes Back Catalog number: 40019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10153.14-100-AN o-Aminoazotoluene,100 µg/mL,acetonitrile,1mL, Price on request 71589 2,6-Di-tert-butylphenol Price on request 9653.23-100-AN Aripiprazole-d8 (butyl-d8), 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request