EPA Method 8141 Standard Rev 1 Back Catalog number: 98131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79411 2,4-D, butoxyethanol ester Price on request 38034 WS PCB Price on request 3739.12-100-ME 2,3,5,6-Tetrachlorobiphenyl, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 33284-54-7 Price on request