EPA Method 8141 Standard Rev 1 Back Catalog number: 98131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679263 Halauxifen-methyl, 100 µg/ml, Acetonitrile, 1ml Price on request 55160 WP & DMRQA Low Level Chlorine Price on request 1353.2-1ML Tetrachloroethylene, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 127-18-4 Price on request