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t <br /> 1 <br /> t <br /> t <br /> i <br /> i <br /> i <br /> 1 Table A-1 <br /> Sample Volume, Container Type, a <br /> and Preservation Requirements <br /> Parameters Volume Required(ml) Container Type Preservation 1 <br /> 1 <br /> Volatile Organic 40 Glass with Teflon-lined HCl/Cool to 4°C j <br /> Compounds septum 1 <br /> Metal st Z 500 Plastic; HNO3/Cool to 4°C 1 <br /> Alkalinity(carbonate, 100 Plastic Cool to 4°C <br /> bicarbonate,total) <br /> Chemical Oxygen Demand 50 Plastic H2SO4/Cool to 4°C <br /> Chloride 50 Plastic Cool to 4°C t <br /> Hexavalent Chromium 50b Plastic Coot to 4°C I <br /> Nitrate-Nitrogen 100 Plastic HNO)Cool to 4°C t <br /> Sulfate 50 Plastic Cool to 4°C <br /> Sulfide 500 Plastic ZnAc(Cool to 4°C <br /> Total Dissolved Solids 100 Plastic Cool to 4°C I <br /> Total Organic Carbon 25 Glass with Teflon-lined HNO3/Cool to 4°C I <br /> Cap <br /> I <br /> Semivolatile Organic 1,000 Glass with Teflon-lined Cool to 4°C i <br /> Compounds cap <br /> Organophosphorous 1,000 Glass with Teflon-lined Cool to 4°C <br /> compounds cap <br /> Chlorophenoxy Herbicides 1,000 Glass with Teflon-lined Cool to 4°C <br /> cap ' <br /> Cyanide 1,000 Plastic NaOH/Cool to 4°C <br /> Oil and Grease 1,000 Glass with Teflon-lined HCl/Cool to 4°C j <br /> ca I <br /> t <br /> t Metals include aluminum,antimony,arsenic,barium,beryllium,boron,cadmium,chromium(total),cobalt,copper,iron,lead,manganese, I <br /> mercury,nickel,selenium,silver,thallium,tin,vanadium,and zinc, <br /> 2 Groundwater samples are field filtered through a 0.45-micron acrylic copolymer filter before preservation. <br /> 3 Plastic=linear polyethylene. <br /> i <br /> i <br /> i <br /> i <br /> i <br /> 1 <br /> Groundwater Monitoring A-9 Department of Public Works/Solid Waste <br /> County of San Joaquin <br /> 1 <br /> f <br /> t <br />