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Table 7 revised .Constituent List,Sample Processing,and Analytical Methods continued . <br /> Constituent Sampling nalytical <br /> Name Units Processing Container' Preservative Method Recommended <br /> Detection Limit <br /> Bromide µglL Filtered 500 ml poly- None EPA 300.0 0.01 mg/L <br /> ethylene a <br /> Boron mg/L Filtered 500 ml poly- HNO3 EPA 200.7 0.01 mg/L <br /> ethylene b <br /> Arsenic µg/L Filtered 500 ml poly- HNO3 EPA 200.7 0.008 mg/L <br /> ethylene b <br /> Chromium—total µg/L Filtered 500 ml poly- HNO3 EPA 200.7 0.005 mg/L <br /> ethylene b <br /> Barium pg/L Filtered 500 ml poly- HNO3 EPA 200.7 0.001 mg/L <br /> ethylene b <br /> Thallium µg/L Filtered 500 ml poly- HNO3 EPA 200.7 0.001 mg/L <br /> eth lene b <br /> Iron mg/L Filtered 500 ml poly- HNO3 EPA 200.7 0.02 mg/L <br /> Xlenene b <br /> Manganese mg/L Filteredl poly- HNO3 EPA 200.7 0.001 mglLne bAluminum µg/L Filteredl poly- HNO3 EPA 200.7 0.01 mg/Lne bLead µg/L Filteredl poly- HNO3 EPA zo0.7 0.001 mg/Lne bNickel µg/L Filteredl poly- HNO3 EPA 200.7 0.002 mg/Lene bµg/L Filteredi poly- HNO3 EPA 200.7 0.01 mg/Lene b <br /> Some constituent groups are typically analyzed from a single sample container.These <br /> groups are identified using a common letter designation in the container column. Sample <br /> volumes should be verified with the laboratory prior to sample collection. Clear containers <br /> may be used for all constituents. <br /> 2 pH and Electrical Conductivity should be measured immediately in the field. <br /> 3 Standard Cations include calcium, magnesium,sodium and potassium. <br /> " Standard Anions include chloride and sulfate. <br /> - 11 - <br />