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IMF 41W <br /> TABLE 1 - GROUNDWATER ANALYTICAL PROTOCOL <br /> Parameter Method Field/Lab Sample Volume and Preservation <br /> Dissolved oxygen Dissolved oxygen meter,down- Field Measure down-hole or collect 300 mL of water in bottles with a pump or <br /> hole,ex situ or flow-cell a bailer and analyze immediately <br /> Winkler method Field Collect 100 nil,of water with a pump or a bailer and analyze inunediately <br /> Oxidation-reduction potential A2580 Field Collect 1W-250 iuL of water,filling container from bolloni,analyze <br /> inmiediately <br /> pH EPA Method 150 1 or SW-9040, Field Collect 100-250 inL of water in a glass or plastic container and analyze <br /> direct-reading meter uiunediately <br /> Conductivity EPA Method I20 1 or SW-9050, Field Collect 100-250 aL of water in a glass or plastic container and analyze <br /> direct-reading meter unmediately <br /> Temperature EPA Method 170 1 Field Collect 100-250 n1L of water in a glass or plastic container and analyze <br /> ininiediately <br /> Alkalinity HACH Alkalinity test kit Field Collect 100 mL of water in a glass container <br /> model AL AP MG-L <br /> A2320 titrimetric Field Collect 250 mL of water in a glass or plastic container;analyze within 6 <br /> hours <br /> EPA Method 310 2 colormietric Lab Collect 100 iiiL of water in a glass or plastic container,cool to 40C <br /> Nitrate EPA Method 353 2 or SW-9200 Lab Collect IW mL of water in a glass or plastic container,cool to 4°C, <br /> analyze within 48 hours <br /> Colorimetric HACH method#8039 Field Collect 100 nil,of water in a glass container <br /> for high range,method#8192 for <br /> low range <br /> 3 <br />