CLP Pesticide Lab Control Standard Back Catalog number: 20061 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-2347-S 2,3,4,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 8721.22-10MG Di-n-heptyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3648-21-3 Price on request 675645 Propetamphos, 100 µg/ml, Ethyl acetate, 5ml Price on request