EPA Method 508A DCB Stock Solution Back Catalog number: 30020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8853.8-K-IO 2-n-Propoxy-3(5)-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request C12724300 N,N-Dimethylaniline, certified, 250mg Price on request 2951.12-100-T Isoproturon-d3 (N-methyl-d3), 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 352438-80-3 Price on request