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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 <br /> Metals 1.2 500 Plastica HNO3/Cool to 4°C <br /> ' A&alinity(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 /> ' 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-limed HNO3/Cool to 4°C <br /> cap <br /> Sernivolatile Organic 1,000 Glass with Teflon-lined Cool to 4°C <br /> Compounds cap <br /> Organochlorine Pesticides, 1,000 Glass with Teflon-lined Cool to 4°C <br /> PCB's 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 HCI/Cool to 4°C <br /> ca <br /> ' r Metals include aluminum,antimony,arsenic,barium,beryllium,boron,cadnium,chromium(twat),cobalt,copper,iron,lead,manganese, <br /> rrarrcury,nickel,selenium,silver,thallium,tin,vanadium,and zinc. <br /> 2 Groundwater samples are field filtered through a 0.45-micron acrylic copoty=filter before preservation. <br /> s Plastic=linear polyethylene. <br /> SAC\S:\WES\S&APR0C.D0C-95\w:l 10 <br />