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Sample Volume, Container Type, <br />and Preservation Requirements <br />Parameters <br />Volume Required (ml) <br />Container Type <br />Preservation <br />Volatile Organic <br />40 <br />Glass with Teflon -lined <br />HCl/Cool to 4°C <br />Compounds <br />PCB's <br />septum <br />Metals' .2 <br />500 <br />Plastica <br />HNO3/Cool to 4°C <br />Alkalinity (carbonate, <br />100 <br />Plastic <br />Cool to 4°C <br />bicarbonate, total) <br />Oil and Grease 1,000 <br />Glass with Teflon -lined <br />HCl/Cool to 4°C <br />Chemical Oxygen Demand <br />50 <br />Plastic <br />H2S0./C001 to 4°C <br />Chloride <br />50 <br />Plastic <br />Cool to 4°C <br />Hexavalent Chromium <br />500 <br />Plastic <br />Cool to 4°C <br />Nitrate -Nitrogen <br />100 <br />Plastic <br />HNOa/Cool to 4°C <br />Sulfite <br />50 <br />Plastic <br />Cool to 4°C <br />Sulfide <br />500 <br />Plastic <br />ZnAc/Cool to 4°C <br />Total Dissolved Solids <br />100 <br />Plastic <br />Cool to 4°C <br />Total Organic Carbon <br />25 <br />Glass with Teflon -lined <br />HNOa/Cool to 4°C <br />cap <br />Semivolatile Organic 1,000 <br />Glass with Teflon -lined <br />Cool to 4°C <br />Compounds <br />cap <br />Organochlorine Pesticides, 1,000 <br />Glass with Teflon -lined <br />Cool to 4°C <br />PCB's <br />cap <br />Chlorophenoxy Herbicides 1,000 <br />Glass with Teflon -lined <br />Cool to 4°C <br />cap <br />Cyanide 1,000 <br />Plastic <br />NaOH/Cool to 4°C <br />Oil and Grease 1,000 <br />Glass with Teflon -lined <br />HCl/Cool to 4°C <br />ca <br />1 Metals include aluminum, antimony, arsenic, barium, beryllium, boron, cadmium, chromium (total), cobalt, <br />copper, iron, lead, manganese, <br />mercury, nickel, selenium, silver, thallium, tin, vanadium, and zinc. <br />Z Groundwater samples are field filtered through a 0.45 -micron acrylic copolymer filter before preservation. <br />3 Plastic = linear polyethylene. <br />SAC\S:\ W ES\S&AP ROC. DOC -95\w:1 <br />10 <br />