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Table A-1 <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 f <br /> Metals'.2 500 Plastica HNO3/Cool to 4°C Ij <br /> Alkalinity(carbonate, I00 Plastic Cool to 4°C <br /> bicarbonate,total) <br /> Chemical Oxygen Demand 50 Plastic HaSO,/Cool to 4°C <br /> Chloride 50 Plastic Cool to 4°C <br /> Hexavalent Chromium 500 Plastic Cool to 4°C I . <br /> Nitrate-Nitrogen 100 Plastic HNO3/Cool to 4°C <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 <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 <br /> Organophosphorous 1,000 Glass with Teflon-lined Cool to 4°C <br /> compounds cap <br /> i <br /> Chlorophenoay Herbicides 1,000 Glass with Teflon-lined Cool to 4°C <br /> cap <br /> Cyanide 11000 Plastic NaOH/Cool to 4°C <br /> Oil and Grease 1,000 Glass with Teflon-lined HCI/Cool to 4°C <br /> ca <br /> 'Metals include aluminum,antimorw,arsenic,barium,beryllium,boron,cadmium,chromium(total),cobalt,copper,iron,lead,manganese, <br /> mercury,nickel,selenium,silver,thallium,tin,vanadium,and zinc. <br /> 2 Groundusrter samples are field filtered through a 0.45-micron acrylic copolymer filter before presen'ation. <br /> e Plastic=IirearpoIyedu lene. <br /> I <br /> i <br /> E <br /> f <br /> ! <br /> ! <br /> Groundwater Monitoring A-9 Department of Public WorksdSofsd Waste <br /> County of San Joaquin <br />