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a <br /> Table A-1 <br /> i <br /> 1 <br /> Sample Volume, Container Type, i <br /> and Preservation Requirements <br /> Parameters Volume oIume Required(ml) Container Type Preservation <br /> Volatile Organic 40 Glass with Teflon-lined HCUCool to 4°C <br /> Compounds septum j <br /> l� <br /> Metals <br /> 500 <br /> Plastic' HNO3ICool to 4°C <br /> Alkalinity(carbonate, 100 Plastic Cool to 4°C <br /> bicarbonate,total) <br /> Chemical Oxygen Demand 50 Plastic H2SO41Cool to 4°C <br /> Chloride 50 Plastic Cool to 4°C ! <br /> Hexavalent Chromium 50b Plastic Cool to 4°C <br /> Nitrate-Nitrogen 100 Plastic HNO3/Cool to 4°C <br /> Sulfate 50 <br /> Sulfide Plastic Cool to 4°C <br /> 500 Plastic ZnAc/Cool to 4°C <br /> Total Dissolved Solids 100 <br /> Plastic Cool to 4°C <br /> Total Organic Carbon 25 Glass with Teflon-lined HNO3/Cool to 4°C <br /> Cap <br /> Semivolatile Organic 1,000 Glass with Teflon-lined Cool to 4°C <br /> Compounds cap j <br /> Organophosphorous 1,000 Glass with Teflon-lined Cool to 4°C <br /> compounds cap j <br /> Chloropbenoxy Herbicides 1,000 Glass with Teflon-lined Cool to 4°C <br /> cap j <br /> Cyanide 1,000 Plastic NaOH/Cool to 4°C <br /> Oil and Grease 1,000 Glass with Teflon-lined HCI/Cool to 4°C <br /> ca <br /> rLG <br /> als include aluminum,antimony,arsenic,barium beryllium,boron,cadmium,chromium(total),cobalt,copper,iron,Lead manganese, l <br /> cury,nickel,selenium,silver,thallium,tin,vanadium,and zinc. <br /> I <br /> ndwater samples are field filtered through a 0.45-micron acrylic copolymer filter before preservation. <br /> ic=linear polyethylene. <br /> i <br /> I <br /> i <br /> t <br /> I <br /> Groundwater Monitoring A-9 Department of Public Worl&Solid Waste <br /> County of San Joaquin <br /> i <br /> f <br /> I <br />