EPA Method 531.1 Individual Analytes Back Catalog number: 30041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73518 Atrazine-desisopropyl-2-hydroxy Price on request 676832 1-Aminohydantoin, 50mg Price on request 0449.14-500-IO 2,8-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1207-15-4 Price on request