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Table A-1 <br />Sample Volume, Container Type, <br />and Preservation Requirements <br />Parameters <br />Volume Required (ml) <br />Container 'Type <br />Preservation <br />Volatile Organic <br />40 <br />Glass with Teflon -lined <br />HC]/Cool to 4°C <br />Compounds <br />septum <br />Metals' .2 <br />500 <br />Plastica <br />HNO3/Cool to 4°C <br />Alkalinity (carbonate, <br />100 <br />Plastic <br />Cool to 4°C <br />bicarbonate, total) <br />Chemical Oxygen Demand <br />50 <br />Plastic <br />H2SO4/C00l to 4°C <br />Chloride <br />50 <br />Plastic <br />Cool to 4°C <br />Hexavalent Chromium <br />500 <br />Plastic <br />Cool to 4°C <br />Ntrate-Nitrogen <br />100 <br />Plastic <br />HNO3/Cool to 4°C <br />Sulfate <br />50 <br />Plastic <br />Cool to 4°C <br />Sulfide <br />500 <br />Plastic <br />ZnAc/Cool to 4°C <br />Total Dissolved Solids <br />100 <br />Plastic <br />Cool to 4°C <br />Total Organic Carbon <br />25 <br />Glass with Teflon -lined <br />HN%/Cool to 4°C <br />Cap <br />Semivolatile Organic <br />1,000 <br />Glass with Teflon -lined <br />Cool to 4°C <br />Compounds <br />cap <br />Organophosphorous <br />1,000 <br />Glass with Teflon lined <br />Cool to 4°C <br />compounds <br />cap <br />Chlorophenoxy Herbicides <br />1,000 <br />Glass with Teflon -lined <br />Cool to 4°C <br />cap <br />Cyanide <br />1,000 <br />Plastic <br />NaOH/Cool to 4°C <br />Oil and Grease <br />1,000 <br />Glass with Teflon -lined <br />HCl/Cool to 4°C <br />cant <br />t Metals include aluminum, antimony, <br />arsenic, barium, beryllium, boron, cadmium, chromium (totall cobaX copper, iron, lead, manganese, <br />mercury, nickel, selenium, silver, thallium tin, vanadium, and zinc. <br />z Groundwater samples are field filtered through a 0.45 -micron acrylic copolymer filter before preservation, <br />3 Plastic = linear polyethylene. <br />Groundwater Monitoring A-9 Department of Public WorkslSolid Waste <br />County of San Joaquin <br />