DETERMINATION OF THE TOTAL AMOUNT OF THE METAL IS NOT SUITABLE INDICATOR TO POLLUTION ESTIMATION; BECAUSE THAT METALS ARE IN EXCHANGEABLE FORMS, CARBONATE UNITS, OXIDES, SULFIDES AND ORGANIC COMPOUNDS AND CRYSTAL STRUCTURE OF MINERALS. DEPENDING TO THE METAL BOND WITH EACH OF THESE COMPONENTS, THE MOBILITY AND ACCESS TO THEIR BIOLOGICAL MATTER WILL BE DIFFERENT.IN THIS STUDY, TESSIER SEQUENTIAL METHOD HAS BEEN USED TO DISTINGUISH THE DIFFERENT FORMS OF ELEMENTS IN THE SEDIMENT. THE ABILITY OF SOLUBILITY HAS BEEN INCREASED FROM ONE PHASE TO THE NEXT PHASE AND FINALLY, IT REACHES TO VERY STRONG AND HIGHLY ACIDIC WHICH IS CAPABLE TO DESTROY THE CRYSTAL LATTICE OF MINERALS. THE MAIN PURPOSE OF THIS RESEARCH IS USE OF TESSIER METHOD FOR THE SEPARATION OF DIFFERENT PHASE OF HEAVY METALS (CADMIUM AND ZINC) IN THE BED SEDIMENTS OF SHAHID RAJAEI PIER AND STEEL PIER. SEDIMENTS BY USING OF VANVEEN GRAB IN SHAHID RAJAEI PIER AND STEEL PIER. AFTER DRYING AND PREPARATION OF SEDIMENTS, TESSIER SEQUENTIAL EXTRACTION OF ZINC AND CADMIUM WAS DONE AND METAL IN EACH PHASED HAS BEEN MEASURED BY ATOMIC ABSORPTION SPECTROMETRY, AND FINALLY, THE DISTRIBUTION OF METALS IN EXCHANGEABLE FORMS, CARBONATE, BOND WITH OXIDES OF IRON AND MANGANESE, ORGANIC PHASE AND PARTS OF STRUCTURES CRYSTAL (STABLE) HAS BEEN EVALUATED. RESULTS INDICATES THAT THE DISTRIBUTION OF ZINC AND CADMIUM BY TESSIER METHOD IN SHAHID RAJAEI AND STEEL PIER ARE STABLE>ORGANIC>EXCHANGEABLE> CARBONATE>FE–MN BOUND. IN ADDITION, THE RATHER HIGH CONCENTRATION OF METALS IN PART OF DEPENDENCE TO MINERAL MATERIALS (STABLE) SHOWS THAT THE CONCENTRATIONS OF METALS IN THESE SEDIMENTS RELATED TO THE NATURAL AND GEOLOGICAL CONDITIONS ALONG WITH A LOW TOXICITY. ALSO, RESULTS OF THIS RESEARCH SHOWS THAT ACCESSIBLE PART OF METALS IN SHORES OF SHAHID RAJAEI PIER AND STEEL PIER HAS BEEN SPECIFIED LOW PARTS OF TOTAL CONCENTRATIONS OF CADMIUM AND ZINC METALS.