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PARAMETER ' <br />CONTAINER <br />PRESERVATIVE <br />VOLUME <br />HOLDING TIME <br />Dissolved Metals <br />Manganese <br />Polyethylene <br />Cool to 4 °C <br />Filter, HNO3 <br />pH < 2.0 <br />1 liter <br />6 months <br />Chloride <br />Polyethylene <br />Cool to 4 °C <br />1 liter <br />28 days <br />Sulfate <br />Polyethylene <br />Cool to 4 °C <br />1 liter <br />28 days <br />1 <br />2 <br />Table 1 <br />Ground water Analytical Parameters <br />Field parameters of pH, conductivity, and temperature will be measured and recorded for each well. <br />Sample containers will be provided by the laboratory <br />1 <br />