EPA Method 525 Pesticide Standard Back Catalog number: 92189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2593.34 Tetrabenzo[de,h,kl,rst]pentaphene, Please inquire, Solvent-, Unit , # of units-, Cas.no. 188-13-6 Price on request 1223.24-100MG Di-n-octyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 117-84-0 Price on request 71169 Methyl-2,4,6-trichlorophenoxyacetate Price on request