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l <br /> l <br /> t <br /> Table A4 <br /> Sample Volume,Container Type, <br /> and Preservation Requirements <br /> Parameters Volume Required(ml) Container Type Preservation <br /> Volatile Organic 40 Glass with Teflon-lined HCl/Cool to 4°C <br /> Compounds septum <br /> Metals' 500 Plastic; HNO3ICool to 4°C <br /> Alkalinity(carbonate, 100 Plastic Cool to 41C <br /> bicarbonate,total) <br /> Chemical Oxygen Demand 50 PIastic H2SO4/Cool to 4°C <br /> Chloride 50 Plastic Cool to 4°C <br /> Hexavalent Chromium 500 Plastic Cool to 4'C 1 <br /> Nitrate-Nitrogen 100 Plastic HNO3/Cool to 4-C <br /> Sulfate 50 Plastic Cool to 46C i <br /> Sulfide 500 Plastic ZnAdCooI to 411C <br /> Total Dissolved Solids 100 Plastic Cool to 4°C <br /> Total Organic Carbon 25 Glass with Teflon-lined HNO3/Cooi to 4°C <br /> Cap <br /> ® Semivolatile Organic 1,000 Glass with Teflon-lined Cool to 40C <br /> Compounds cap <br /> Organophosphorous 1,000 Glass with Teflon-lined Cool to 4°C i <br /> compounds cap i <br /> Chlorophenoxy Herbicides 1,000 Glass with Teflon-lined Cool to 4°C i <br /> cap <br /> Cyanide 1,000 Plastic NaOH/Cool to 4°C <br /> Oil and Grease 1,000 Glass with Teflon-lined HC1/Cool to 4°C <br /> ca <br /> Metals include aluminum,antimony,arsenic,barium,beryllium boron cadmimn,chromium(total),cobalt,copper.iron,lead,manganese, <br /> mercury,nickel,selenium,silver;thallium,tin,vanadium,and dw. <br /> =Groundwater samples are field filtered through a 0.45-micron acrylic copobnff fi terbefore presenmfion. <br /> 'Plastic=linear polyedwitne. <br /> E <br /> 3 <br /> d <br /> 1 <br /> E <br /> ® Groundwater Monitoring A-9 Department of Public WorksfSotid Waste <br /> County of San Joaquin <br />