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i <br /> i <br /> Table A-1 <br /> i <br /> Sample Volume, Contai.ner Type, <br /> and Preservation Requirements <br /> Parameters Volume Required(ml) Container Type Preservation <br /> Volatile Organic 40 Glass with Teflon-lined HC]/Cool to 4°C j <br /> Compounds septum <br /> Mews, 500 Plastic' HNO3/Cool to 4°C <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 <br /> Hexavalent Chromium 500 Plastic Cool to 4°C <br /> Nitrate-Nitrogen 100 Plastic HNO3/Cool to 4°C <br /> i <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 /> 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 <br /> ca <br /> u Metals include aluminum,antimony,arsenic,barium,beryllium,boron,cadmium,chromium(total),cobalt,copper,iron,lead,manganese, <br /> mercury,nickel,sclenium,silver,thallium,tin,vanadium and zinc. <br /> '-Groundwater samples are field filtered through a 0.45-micron acrylic copolymer filterbefore preservation <br /> 3 Plastic=linear polyethylene- <br /> Groundwater <br /> olyethyleneGroundwater Monitoring A-9 Department of Public WorkslSolid Waste <br /> Count),of San Joaquin <br />