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® i <br /> Table A-I <br /> Sample Volume,Container Type, <br /> and Preservation Requirements <br /> Parameters Volume Required(ml.) Container Type Preservation <br /> Volatile Organic 40 Glass with Teflon-limed HCVCool to 4°C <br /> Compounds septum <br /> Metals112 Soo Plastic? HNO,/Coot to 4°C <br /> Alkalinity(carbonate, 100 Plastic Cool to 4°C <br /> bicarbonate,total) <br /> Chemical Oxygen Demand so Plastic H2SO4/CooI to 4°C <br /> Chloride so Plastic Cool to 4°C <br /> Hexavalent Chromium Soo Plastic Cool to 4°C <br /> Nitrate-Nitrogen 100 Plastic 119WCool to 4°C <br /> Sulfate so 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 /> Sentivolatile 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-Pined 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-limed HCl/Cool to 4°C <br /> cap <br /> 'MeWs include aluminum,antimony,arsenic,barium,beryllium,boron,cadmium,chromium(total),cobalt,copper,iron,lead manganese, <br /> mercury,nickel,selenium,silver,thallium,Lin,vanadium,and zinc. <br /> 'Growid%,vater samples are field filtered through a 0.45-micron acrylic copolymer fiftcr kfort preservation. <br /> 'Plastic=linear polyethylene. <br /> Groundwater Monitoring A-9 Department of Public Works/Solid Waste <br /> County of San Joaquin <br />